Jalil Ali

Jalil Ali
  • University of Technology Malaysia

About

577
Publications
237,022
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8,687
Citations
Current institution
University of Technology Malaysia
Additional affiliations
January 2012 - present
January 2010 - December 2012
King Mongkut's Institute of Technology Ladkrabang
January 2010 - present
University of Kuala Lumpur

Publications

Publications (577)
Chapter
Full-text available
In the context of neuroscience, a post-structuralist approach suggests that understanding an object requires studying the object itself and the knowledge systems that produced it. If structuralism specializes in isolating and articulating the synchronic organizational relations that underlie observable phenomena (Chow, 2006: Poststructuralism: theo...
Article
Full-text available
This paper presents a physical mechanism of embodied consciousness based on the dynamic organicity theory. We use the entropic pilot wave theory to describe the quantum dipole oscillations from dipole-bound delocalized (quasi-free) electrons in nonpolar nanocavities of aromatic amino acid residues (benzene moiety /cyclic hydrocarbons that contain r...
Research Proposal
Full-text available
Our research is highly significant and has major implications for the Dynamic Organicity Theory (DOT) of consciousness. We express free energy as the difference between internal energy (Q) and the product of quantum entropy (SQ) and temperature (T). When the free energy is positive, the process will spontaneously increase potentiality, providing ne...
Research Proposal
ERA OF CONSCIOUS Ai 2040- · Molecular Neuroscience(1960s) · Computational Neuroscience (1980s) · Integrative Neuroscience (2000s) · Multiscale Neuroscience (2020s) · Conscious AI (2040s) The research aims to explore the dynamic nature of consciousness by engineering a form of artificial intelligence that surpasses current deep learning capabilitie...
Article
The plasmonic antenna probe is constructed using a silver rod embedded in a modified Mach-Zehnder interferometer (MZI) ad-drop filter. Rabi antennas are formed when space-time control reaches two levels of system oscillation and can be used as human brain sensor probes. Photonic neural networks are designed using brain-Rabi antenna communication, a...
Article
Full-text available
This manuscript explores the topological and optical properties of a Passeriformes bird feather. Inside the feather, the layers of keratin and melanin are responsible for light reflection, transmission, and absorption; notably, the miniature composition of melanosome barbules plays a crucial role in its reflective properties. We adopted a multilaye...
Chapter
Schizophrenia (SZ) is a major neuropsychiatric disorder. Neuroimaging studies have provided compelling evidences of both structural and functional brain abnormalities in SZ. However, most existing studies are based on functional connectivity (FC) of brain regions under an implicit assumption of stationary of FC throughout the time. Recent studies h...
Chapter
The concept of making any logical (Boolean) function reversible is gaining much attention in the recent past for its applications in nanotechnology, quantum dot cellular automata and quantum computing etc. The use of reversible Boolean function not only simplifies back tracing, but it also allows efficient computation because of the non erasure of...
Chapter
In this paper, a drop-shaped fractal patch antenna is designed and simulated using Polyamide substrate. The designed antenna is simulated for 4.35–4.42 THz. The designed antenna resonates at 4.4 THz frequency. The maximum gain of 9.34 dBi is achieved. The designed antenna has applications in THz for communication, sensing, and 4.2, 4.3, and 4.4 THz...
Chapter
Automatic processing and diagnosis of electrocardiogram (ECG) signals remain a very challenging problem, especially with the growth of advanced monitoring technologies. A particular task in ECG processing that has received tremendous attention is to detect and identify pathological heartbeats, e.g., those caused by premature ventricular contraction...
Chapter
In this paper microstrip ring antenna is designed for triple, quad, and super wideband terahertz application. Three antenna configurations are discussed here with application in upcoming 6G technology, Health monitoring systems, wireless sensor network, and the Internet of Things (IoT). A square ring resonator antenna designed on 710 × 910 × 10 µm3...
Chapter
Automatic detection of life-threatening cardiac arrhythmias has been a subject of interest for many decades. The automatic ECG signal analysis methods are mainly aiming for the interpretation of long-term ECG recordings. In fact, the experienced cardiologists perform the ECG analysis using a strip of ECG graph paper in an event-by-event manner. Thi...
Article
Full-text available
The extensive search for the implementation of reversible logic using emerging technologies has paved the way for the rise of optical computing. The Mach–Zehnder interferometer (MZI), an optical switch capable of driving an input optical signal to a certain output port, has evolved as a potential candidate to represent any Boolean logic. In this pa...
Article
Full-text available
A unique RFID silicon chip is proposed for sensing applications. The RFID silicon chip is a microring circuit that has a panda ring form where the working principle is based on the space-time function. The RFID silicon chip operates in the frequency range of 150-250THz. The input light wavelength of 1.55 μm, which forms the input space signal via t...
Chapter
Considering the recent rapid advancements in digital technology, electroencephalogram (EEG) signal is a potential candidate for a robust human biometric authentication system. In this paper the focus of investigation is the use of brain activity as a new modality for identification. Univariate model biometrics such as speech, heart sound and electr...
Chapter
Recently, new advances and emerging technologies in healthcare and medicine have been growing rapidly, allowing for automatic disease diagnosis. Healthcare technology advances entail monitoring devices and processing signals. Advanced signal processing and analytical techniques were effectively implemented in numerous research domains. Thus, adopti...
Chapter
The cortical pyramidal neurons in the cerebral cortex, which are positioned perpendicularly to the brain’s surface, are assumed to be the primary source of the electroencephalogram (EEG) reading. The EEG reading generated by the brainstem in response to auditory impulses is known as the Auditory Brainstem Response (ABR). The identification of wave...
Article
Full-text available
These days when integrated circuit (IC) designers are facing an uphill task in limiting energy/heat dissipation, reversible computing is emerging as a potential candidate with vast application in fields like nanotechnology, quantum-dot cellular automata, and low power IC. Optical reversible logics have turned up to offer high speed and low energy c...
Chapter
Sharma, M. K.Ray, K.Yupapin, P.Kaiser, M. S.Ong, C. T.Ali, J.Epilepsy is a neurological disease that’s characterized by perennial seizures. In this neurological condition the transient electrical phenomenon within the brain occurs that produces an amendment in sensation, awareness, and behavior of an individuals that leads to risk. To understand th...
Chapter
Full-text available
Bio-living organisms can effectively respond to various signals from the surrounding space due to their geometric shape. In this manuscript, our central goal is to understand the underlying mechanisms of signal processing inside bio-living systems,whichmayhavebeneficialapplicationsinmedicaldomainssuchasdisease diagnosis and sensing the space present...
Chapter
Full-text available
This article introduces the IR sensor in the living organism. Electrodynamics in the living system is aimed to introduce electromagnetic mechanism inside the biological system and correlates the bio function of living organisms. Here, we have introduced the biological accurate snake pit membrane’s modeling, simulation methodologies, and compared it...
Article
Full-text available
Ambient computing enabled for body area networks have received much consideration over the past couple of years due to its applications in biomedical, healthcare monitoring, and military systems. Such systems are attracting users in other applications like gaming, fitness, sports, and other life style tools. The fast-moving lifestyle of people impe...
Article
Full-text available
In the present work, a highly sensitive SPR biosensor based on silver (Ag), barium titanate (BaTiO3), graphene, and affinity layer is proposed for the detection of Pseudomonas bacteria. The performance of this proposed sensor has been numerically studied and analyzed for sensitivity, quality parameter, and detection accuracy. The proposed structure...
Article
In the paper, a spirally filled solid core chalcogenide-based photonic crystal fibre is proposed, which is engineered to obtain a flattened broad anomalous dispersion profile. The spectrum spanning in the wavelength region from 1.5 to 3.6 μm was achieved by pumping hyperbolic secant pulses with a peak power of 350 W and 85 fs pulse duration, at a w...
Article
Full-text available
This article reports on the role of potassium (K) as dopant in Cu 2 ZnSn (S,Se) 4 , CZTSSe thin film in context of optical properties. Thin film precursor solution is prepared in dimethyl sulfoxide (DMSO) solvent, and doped by K with six different concentrations. The prepared solution are deposited on heated soda lime glass (SLG) substrates using s...
Article
Full-text available
This article reports the synthesis of cobalt ferrite (CoFe 2 O 4 ) nanoparticles by low-cost sol-gel auto combustion method. The synthesized CoFe 2 O 4 nanoparticles were characterized using X-ray Diffraction (XRD), Field Emission Scanning Electron Microscope (FESEM), Energy Dispersive X-ray (EDX), UV-Visible (UV-Vis), Fourier Transform Infrared Sp...
Article
Full-text available
The present article reports the growth mechanism of zinc oxide (ZnO) nanowires grown on silicon substrate pre-coated with ZnO buffer layer by thermal evaporation method. ZnO nanowires are grown for different growth time of 0, 30, 90 and 120 mins with controlled supply of Ar and O 2 gas at 650 °C. The structural, morphological and crystallinity prop...
Article
Full-text available
This work presents a novel structure of surface plasmon resonance (SPR) sensor for urine glucose detection. The structure consists of four layers namely gold, molybdenum disulfide (MoS2), h-BN (hexagonal boron nitride), and graphene. Here, the few-layer h-BN is used as a capping layer over the MoS2 layer. The present sensor performance has been eva...
Article
Full-text available
In this paper, the conventional iterative method is applied to study the nonlinear response of light within the chalcogenide glass (As2Se3) resonating system. The proposed system consisted of two cascaded modified add–drop resonators, which is known as a Panda-ring resonator. The feedback circuit is constructed by the two Panda-ring resonators, whe...
Article
The Cherenkov excitation of terahertz (THz) radiation by the interaction of an electron beam with the transverse magnetic modes of electromagnetic waves in a new configuration of cylindrical metallic rippled-wall waveguide (CMRWW) including an unmagnetized degenerate plasma layer and a dielectric rod is studied. In addition, the electric field prof...
Article
Full-text available
AIn this paper, impact of communication delay on distributed load frequency control (dis-LFC) of multi-area interconnected power system (MAIPS) is investigated. Load frequency control (LFC), as one of ancillary services, is aimed at maintaining system frequency and inter-area tie-line power close to the scheduled values, by load reference set-point...
Article
Full-text available
A negative entropic system formed by a close successive polariton filtering within a modified optical add–drop filter is proposed. The device ends are embedded by the gold gratings and TiO2 materials, in which the close successive polariton filtering can be formed. The selected light source is input into the system via the input port. There is no l...
Article
Aluminium substituted cobalt-copper Co1-xCuxFe2-xAlxO₄, (x ═ 0.8) nanoparticles are grown and sintered at different temperature in the range 600 to 900 °C. XRD analysis on nanoparticles prepared at sintered temperatures of 700 °C and 800 °C confirms the spinel structure and presence of hematite phase (alpha ferrite) in them. The dielectric behaviou...
Article
Full-text available
The classical computing has already done wonders with computation, however limitations on speed and security of transmitted information is endorsing novel computation techniques. Quantum computing is expected to resolve complex problems especially for unachievable speed with best possible secure communication. The logic gates for two Quantum bits (...
Article
We have further developed the two-brains hypothesis as a form of complementarity (or complementary relationship) of endogenously induced weak magnetic fields in the electromagnetic brain. The locally induced magnetic field between electron magnetic dipole moments of delocalized electron clouds in neuronal domains is complementary to the exogenous e...
Chapter
Full-text available
Graphene, a single-layer carbon sheet with hexagonal lattice structure, has shown several unique characteristics such as the quantum Halleffect, high carrier mobility, large theoretical specific surface area, good optical transparency, high Young’s modulus, and excellent thermal conductivity. A single square-meter sheet of graphene of weight 0.0077...
Article
Full-text available
Three different wavelength light sources are coupled to microring circulator via modified add-drop multiplexers, from which the multiplexed signals of them can be formed at the plasmonic islands and used as the distributed sensor nodes. The change in the wavelength due to the external environment will affect the refractive index of the sensing mate...
Article
Quick setting and poor injectability due to liquid–solid phase separation have limited the clinical use of brushite and monetite cements. The presence of certain ions in the cement during the setting reaction moderate the setting time and properties of the cement. This study reports the preparation of injectable bone cement by using biphasic calciu...
Article
Full-text available
A broadband wavelength photon squeezing system using a Panda-ring resonator embedded a gold grating is proposed. The selected laser source is input into the system via an input port, from which the nonlinear Kerr effect induced by the two nonlinear side rings and coupled into the center ring. Besides, the wavelength scattering is affected by the go...
Article
This is an open access article under the CC BY-NC 4.0 license (https://creativecommons.org/licenses/by-nc/4.0/) The physicality of subjectivity is explained through a theoretical conceptualization of guidance waves informing meaning in negentropically entangled non-electrolytic brain regions. Subjectivity manifests its influence at the microscopi...
Article
Full-text available
If the physical mind is located in quantized space of the brain then how does the physical mind become the self? This remains an unresolved problem. It can be restated as how mental representations or mental states get their informational contents, and of doing so in terms of the natural functions brain states have? We call these natural brain func...
Article
Comparative study of fast focus mode (FFM)and slow focus mode (SFM)of INTI Plasma Focus device at 12 kV, based on Lee Model, are presented in this paper. Results of numerical experiments for D, Ne, and Ar gases at different pressure ranges show that as a rule-of-thumb, diameter-optimized SFM is considered to occur when fast plasma stream speed gene...
Article
Full-text available
The physicality of subjectivity is explained through a theoretical conceptualization of guidance waves informing meaning in negentropically entangled non-electrolytic brain regions. Subjectivity manifests its influence at the microscopic scale of matter originating from de Broglie ‘hidden’ thermodynamics as action of guidance waves. The preconsciou...
Article
Full-text available
This work is an illustration of a narrowband optical filter device based on cladding modulated grating waveguide for enhancing the device performance in terms of minimizing the bandwidth. The device parameters are optimized through Taguchi approach. Tolerance analysis of device parameters has been done to analyze their effect on the device’s respon...
Article
Full-text available
An on-chip-scale, up-down link conversion circuit for electro-optic signals to use in a light fidelity network application is proposed. A system consisting of a loop microring resonator (known as a Panda-ring resonator), is coupled inline to the input of a Mach–Zehnder interferometer (MZI). When the light from that source is input into the system,...
Article
Full-text available
We have demonstrated that the bifurcation patterns can generate by the double Panda‐ring resonator system, where the first system is configured as the input source, while the second system is the feedback control systems. The key concept of the proposal is the two nonlinear side ring resonators that can induce the nonlinear Kerr effect into the cen...
Article
Full-text available
A dark-bright soliton conversion is used to perform the two arithmetic logic unit operations namely adder and subtractor operations. The advantage of the system such as power stability, non-dispersion and the dark-bright soliton phase conversion control can be obtained. The input source into the circuit is the bright soliton pulse, with the pulse w...
Article
Full-text available
A dense plasma focus (DPF) machine, being a source of a powerful ion beam, can be useful in the modification of the surface properties of materials. Experimental investigations were carried out with a 3.3 kJ Mather-type DPF operating in nitrogen at a low chamber pressure with low carbon steel as the target material. It was found that the DPF ion be...
Article
Full-text available
A free space cross-connection of the optical signals using an optical micro/nano-electro-mechanical system(OMEMS/ONEMS) is designed and simulated using the commercial software called MATLAB and OPTI-WAVE programs, in which a nonlinear micro-ring device known as a Panda-ring resonator is used to form the cross connection of two different sources, th...
Article
Full-text available
The on-chip scale circuit of the optoelectronic transformer is designed and manipulated using the microring resonator system. By using the monochromatic input light source, the electro-optic signals can be generated and functioned as the step up and down conversion by mean of the on-chip optoelectronic transformer. The step up and down of the elect...
Article
Full-text available
The distributed optical sensors using the multi-input light sources have been designed and simulated. It consists of 6 sensor nodes coupled to the main ring resonator, which is an optical circulator operation. It is a micro-scale device that can be fabricated by the current technology. The three distance light sources are simultaneously fed and the...
Conference Paper
The present article reports the growth mechanism of zinc oxide (ZnO) nanowires grown on silicon substrate pre-coated with ZnO buffer layer by thermal evaporation method. ZnO nanowires are grown for different growth time of 0, 30, 90 and 120 mins with controlled supply of Ar and O2 gas at 650 o C. The structural, morphological and crystallinity prop...
Article
Full-text available
A macro-quantum model is developed to describe spontaneous processes in terms of computable equations. The resultant macro-quantum wave equation (Schrödinger-type equation) is solved via a Madelung transformation to yield a complex-valued solution whose real part gives the macro-quantum potential energy. We show that the mechanism responsible for s...
Article
Full-text available
The sequence of the human brain can be configured by the originated strongly coupling fields to a pair of the ionic substances(bio-cells) within the microtubules. From which the dipole oscillation begins and transports by the strong trapped force, which is known as a tweezer. The tweezers are the trapped polaritons, which are the electrical charges...
Article
Full-text available
Mindfulness foundation is an excellent method of the human spiritual development by the reasonable thinking and consideration, which was established by Lord Buddha a long time ago. There are four ways of thinking and consideration-(i) form (body), (ii) sensation, (iii) spiritual and (iv) Dhamma. In this paper, we propose the use of the form conside...
Article
Full-text available
By using short Gaussian pulses from a monochromatic light source as input ones, we simulate the photon distribution and analyze the output signals of a nonlinear microring resonator with two nonlinear side rings. Such a configuration is called a Panda ring resonator, which is a modified add-drop filter with two alongside phase modulators. We consid...
Article
Full-text available
The growth of multi-walled carbon nanotubes (MWCNTs) has been extensively studied using electron microscopy. The ex situ structural behavior was examined to investigate the growth of the MWCNTs under different environments and pressures using electron microscopy. The arc discharge plasma technique was applied to synthesize the MWCNTs by evaporating...
Article
Full-text available
Silica nanoparticles have drawn significant intentions for their potential in solar cell coating applications. These products occupy a noticeable position in a scientific research because of their easy preparation and wide uses for different technological applications. The quality of silica nanoparticles are highly dependent on the size. This study...
Article
Full-text available
In this paper, we propose a plasmonic circuit based on optical add‐drop multiplexer. A stack of silicon–graphene–gold layers is used at optical add‐drop filter ends. The light input from a laser source at the silicon base of the stack enables ultrafast electrical switching by rapid light‐electron energy conversion. It allows feedback signals monito...
Article
Full-text available
In this study, we propose a model for the dual mode gold grating sensor using a microring conjugate mirror (MCM) and the plasmonic island. The sensor measurement of derived quantity is the change in the Bragg wavelength and electron mobility that can be related to the optical phase‐shift or gold grating mobility changes. The plasmonic island consis...
Article
Full-text available
In this paper, the ultra‐wideband source for light fidelity (LiFi) and high‐density 3D imaging applications is proposed. The system consists of an add‐drop multiplexer. The center ring is formed by the Chalcogenide glass (ChG), which is coupled with two GaAsInP/P side rings. The nonlinear effect within the side rings (phase modulators) is induced i...
Article
Full-text available
We present a design of micro-conjugate mirror using a nonlinear microring resonator, which is made of GaAsInP/P, is rapidly achieving widespread option in several three-dimensional (3D) imaging applications. By exploiting the conjugate mirror properties, the 3D light probes can be formed by the whispering gallery modes (WGM) in which the WGM probe...
Article
Full-text available
Light has found applications in data transmission, such as optical fibers and waveguides and in optoelectronics. It consists of a series of electromagnetic waves, with particle behavior. Photonics involves the proper use of light as a tool for the benefit of humans. It is derived from the root word “photon”, which connotes the tiniest entity of lig...
Article
Full-text available
The design of the microsensor system for biosensors using the plasmonic island is proposed. The sensor head is formed by the stacked layers of silicon-graphene-gold materials. The dual-mode operations of the sensor can be performed using the relationship of the changes between the electron mobility and optical phase, where the exciting environment...
Article
Full-text available
The electro-optic power pumping system model using the inline successive technique within the modified add-drop filter is proposed. A pumping system consists of a closed loop Panda ring resonator, from which the optical power is coupled inline into the system. By controlling the two side phase modulators, the whispering gallery mode (WGM) is genera...
Article
Full-text available
We have proposed the use of a soliton pulse that propagates within a modified add-drop filter, which is made of a GaAsInP/P material. It is in the form of a Panda-ring resonator, from which a bright/dark soliton pulse is input into a system via an input port. The conversion between bright and dark soliton pulses is introduced at the 3 dB coupler, i...
Article
Full-text available
We propose a new concept of the nonlinear effect called the Kerr-Vernier effect by using cascaded Si-ChG microring circuits. The circuit is simulated for two materials of different refractive indices which results in phase difference in propagating light and hence observed in the output signal. By varying the input power into the system, the Vernie...
Article
This paper reports the hydrazine-free solution processing of antimony doping in CuIn(S,Se)2 solar cells using thiol-amine as solvents. The Sb-doped CuIn(S,Se)2 absorbers layer is fabricated using low-cost atmospheric spray deposition route. The morphological, optical, and electrical properties of Sb-doped CuIn(S,Se)2 are investigated using XRD, FE-...
Article
Full-text available
Polaritonic signal processing model and manipulation using a microring successive filtering circuit are proposed. The polariton signals are generated by the coherent light within the microring embedded a gold nanograting island, from which the successive filtering of the polariton signals within the designed on-chip circuit is manipulated by adjust...
Article
Full-text available
Plasma focus (PF) generation has advanced the development of high-density, high-temperature plasma that emits intense radiation. The radiation output and emission spectra depend on the operating parameters of the PF device. The ability to focus plasma governs the pinch radius and electrical properties at the truncated end of the PF device. In this...
Article
Full-text available
Photon squeezing and self-pumping within a nonlinear microring GaAsInP/P resonator are modeled and simulated, based on practical, published device parameters. A slowly varying amplitude pulse is input to the system, with a pulse width of 20 ns, a wavelength of 1.55 µm and peak power of 100 mW. The nonlinear effect resulting from the photons within...
Article
Full-text available
The plasmonic electronic component consists of the stacked layers of silicon–graphene–gold materials can be integrated with the driven group velocity system, which is nonlinear microring resonator. This determines the suitable driven velocity in controlling the side ring phase modulators. In such a case, the proposed system can give the advantage o...
Article
Full-text available
The nonlinear microring resonator system is designed and the triple vertically Panda rings arranged for 3D imaging probe generation. The required whispering gallery modes (WGM) probe can be generated by controlling the input soliton and the reflected power within the microring system. It can be configured to be a microring conjugate mirror (MCR) an...
Article
Full-text available
We have proposed a model of polariton generation, which is normally generated by the dipole and the strong coupling field interaction. This system consists of a gold grating embedded on the plasmonic island, which is embedded at the center of the nonlinear microring resonator, which is known as a panda-ring resonator. The strong coupling between th...
Article
Full-text available
In this work, analytical modeling and parameter evaluation of a photonic biosensor using cascaded silicon grating waveguides is illustrated. The sensor design consists of two cascaded waveguides with symmetric sidewall gratings to broaden the stop band region of the transmission spectra. In the work, the structure is first analyzed using the transf...
Article
Full-text available
Self-absorption (SA) can drastically affect the emission signal which makes quantitative and, in extreme cases, qualitative investigations very challenging in laser induced plasma spectroscopy. In this study, plasma parameters are spectroscopically studied and SA in aluminum emission lines is investigated at various laser energies and gate delays....
Article
Full-text available
We have proposed the convincing electro-optic circuit for long life-time electron mobility emission. Light a monochromatic source is utilized as input into the circuit via the input port and trapped within the plasmonic island. It is a formed-like capacitor structure formed by the silicon-graphene-gold materials which are stacked layers. All circui...
Article
Full-text available
Carbon nanotubes have long attracted great scientific interest because of their simplicity, ease of synthesis and unique properties. The novel properties of nanostructured carbon nanotubes including its high surface area, stiffness, tensile strength, thermal and electrical properties which become suitable for the application in the fields of energy...
Article
Full-text available
In this work, we have evaluated the biosensing capability of the porous silicon (PSi) based sidewall Bragg-grating resonator. The approximation of the quasi-TE mode full vector for the eigenmode calculation is performed using a full vector mode solver. The transmission spectra of the device are evaluated using the transfer matrix method. We have ob...
Conference Paper
Plasma focus device is initially developed by two known researchers back in the 1960s, Mather and Filippov. The interest on the research built due to its capability to produce high energetic neutron from a fusion reaction. The relevance of the research in Plasma Focus device remain after decade is because of its competence to produce multi radiatio...
Article
Full-text available
A micro-conjugate mirror (MCC) is designed and modified using a nonlinear microring resonator system, a system consists of a nonlinear microring resonator known as a Panda ring resonator. An MCC can be formed by adjusting the reflected light power from the Throughput and Add ports, from which the outputs can be detected by the Drop port output and...
Article
Full-text available
Carbon nanotubes have long attracted great scientific interest because of their simplicity, ease of synthesis and unique properties. The novel properties of nanostructured carbon nanotubes including its high surface area, stiffness, tensile strength, thermal and electrical properties which become suitable for the application in the fields of energy...
Article
Full-text available
A conventional Michelson interferometer is modified and used to form the various types of interferometers. The basic system consists of a conventional Michelson interferometer with silicon-graphene-gold embedded between layers on the ports. When light from the monochromatic source is input into the system via the input port (silicon waveguide), the...
Article
Full-text available
A mixed spinel ferrite nanoparticle, Mg1−xZnxFe2−xAlxO4 NPs (0.0 ≤ x ≤ 0.8), were synthesized effectively by co-precipitation method and sintered at 600 °C for 10 h. The structural and magnetic properties of the products were studied through X-ray powder diffraction (XRD), scanning electron microscopy, transmission electron microscopy (TEM), high r...
Article
Full-text available
In this work, a Fibre Bragg grating (FBG) encapted with no-core fibre (NCF) as surrounding refractive index (SRI) and temperature sensors are practically demonstrated. A FBG with 1550 nm wavelength was attached with 5 cm length of no-core fibre (NCF) is used as SRI and temperature sensing probe. The change of temperature and SRI induced the wavelen...
Article
Full-text available
We propose a new variant of electro-optic multiplexing scheme using the boxcar filter arrangement. The circuits consist of multistage add-drop multiplexers that can offer external input-output connections. Input from a single light source can be fed into the system through the input port or through the free-space from light fidelity (LiFi) node. Th...
Article
Full-text available
The investigations of currency coins dated back to many centuries. Many researchers developed an interest in the investigation of the coin's weight, size, physical feature and elemental composition. Laser-induced breakdown spectroscopy (LIBS) has the novelty of analytical analyses of various samples. It has the ability for the elemental composition...
Article
Full-text available
Barium titanate (BaTiO3) films composed of nanowires have gained considerable research interest due to their lead-free composition and strong energy conversion efficiency. BaTiO3 films can be developed with a simple two steps hydrothermal reactions, which are low cost effective. In this research, BaTiO3 films were fabricated on titanium foil throug...
Article
Full-text available
In this work, laser induced breakdown spectroscopy (LIBS) is employed for determination of calcium to phosphate (Ca/P) ratio in hydroxyapatite (HA) extracted from animal bones. HA was extracted from the biological bones of lamb, bovine, and fish separately. Fresh bones were boiled in deuterium-depleted water (DDW) for 4 hours and immersed it in ace...
Article
Full-text available
In this study, we report the measurement of Ca/P ratio of hydroxyapatite using LIBS. Hydroxyapatite was prepared by wet chemical precipitation method with different stoichiometric ratios of Ca and P (1.5, 1.6, 1.67, 1.70, 1.80). Samples were then pelletized using KBr as a binder under a hydraulic press. Samples were irradiated with a laser beam and...
Article
Full-text available
The on-chip scale microring circuit is proposed to numerically investigate the supercontinuum (SC) generation of light power. The device is formed by the chalcogenide Panda-ring resonator with the nanoscale planar waveguide using Ge11.5As24Se64.5 chalcogenide glass channel waveguide, air-clad and MgF2 glass for lower cladding. The waveguide is desi...
Chapter
The manufactured spectrum of fibre Bragg grating (FBG) is presented in Fig. 5.1. It was used as the initial/reference reading of every measurement, for both transmission and reflection spectra. The center wavelength or the Bragg wavelength, λB, was measured as 1553.865 nm with 0.24 nm bandwidth. Figures 5.2 and 5.3 show the transmission and reflect...

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