Javier Muñoz-López’s research while affiliated with National Institute of Astrophysics, Optics and Electronics and other places

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Publications (2)

Fig. 1 Experimental schemes for the Hartmann and Ronchi test (a) Hartmann and (b) Ronchi. cc is the center curvature, F is a point light source, and F 0 its image.
Fig. 2 A typical image obtained by Hartmann test and Ronchi test: (a) Hartmanngram and (b) Ronchigram.
Fig. 3 Setup for the Shack-Hartmann method. PS is the point source, PS 0 is the PS image, and cc is the center of curvature.
Fig. 4 Experimental setup for S-H test, PS is the point light source.
Fig. 5 (a) View of lithographic S-H screen and (b) S-H screen view in a microscope.

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Testing concave optical surface by Shack–Hartmann test using microholes
  • Article
  • Full-text available

October 2022

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284 Reads

Optical Engineering

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Javier Muñoz-López

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Alejandro Cornejo Rodriguez
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Mechanical design of the lenses with biconical surface profiles; (a) homogeneous refractive index material and (b) multilayered; each layer is manufactured with a different mixing ratio (base: catalyzer), so they exhibit different mechanical and optical properties.
Optical design from oslo of the lenses with biconical surface profiles with (a) homogeneous refractive index and (b) multilayered GRIN type.
Manufactured biconical lenses made of PDMS: (a) The lens on the left has a homogeneous refractive index, and the lens on the right was manufactured with multiple layers of PDMS with variation in their refractive indices and mechanical properties; (b) side view of the multilayered GRIN-type lens.
Mechanical mounting system. (a) Final design; (b) front view of the manufactured system.
Color-coded graphics of mechanical behavior of the biconical lenses under a simulated radial pressure of 0.637 MPa. (a) Homogeneous refractive index lens; (b) multilayered GRIN-type lens.

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Tunable multilayered lens made of PDMS with a biconical surface profile design and manufacture

January 2022

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93 Reads

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11 Citations

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A polymer that has been used for the development of optical components and has had a significant impact is polydimethylsiloxane (PDMS) due to its remarkable mechanical and optical properties and easy handling. We present a practical and straightforward technique for designing and manufacturing a tunable graded index, graphical input (GRIN)-type lenses, and tunable lenses with a homogeneous refractive index made of PDMS. Implementing a biconical surface profile in a tunable plane-convex lens is proposed for elaborating both a homogeneous refractive index lens and a multilayered GRIN-type lens with a constant increased variation of 0.014 on its refractive index. Likewise, we introduce a mechanical mounting system that aims to modify their curvatures and therefore their focal lengths through mechanical stimuli applied on the lenses. Simulations of the optomechanical behavior and optical characterization of the lenses are also presented.

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Citations (1)

... Then a mechanical installation system was used to adjust the curvature of the lens. The experimental results showed that the proposed method could effectively control the focal length of the lens [9]. Bekkali et al. proposed a multi-axis steering structure for lens design in optical communication systems. ...

Reference:

Design of Optical Lens Assembly Method Based on Star Point Bonding and Surface Shape Accuracy
Tunable multilayered lens made of PDMS with a biconical surface profile design and manufacture

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