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Dirk Mittelstraß

Dirk Mittelstraß

Master of Science

About

11
Publications
1,286
Reads
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59
Citations
Education
April 2015 - December 2019
Technische Universität Dresden
Field of study
  • Physics
October 2004 - March 2013
Technische Universität Bergakademie Freiberg
Field of study
  • Applied natural science

Publications

Publications (11)
Preprint
Full-text available
Spectroscopic investigations provide important insights into the composition of luminescence emissions relevant to trapped-charge dating of sediments. Accurate wavelength calibration and a correction for the wavelength-dependent detection efficiency of the spectrometer system are crucial to ensure the correct spectrum interpretation and allow for i...
Article
Spectroscopic investigations provide important insights into the composition of luminescence emissions relevant to trapped-charge dating of sediments. Accurate wavelength calibration and a correction for the wavelength-dependent detection efficiency of the spectrometer system are crucial to ensure the correct spectrum interpretation and allow for i...
Article
Full-text available
The success of luminescence dating as a chronological tool in Quaternary science builds upon innovative methodological approaches, providing new insights into past landscapes. Infrared radiofluorescence (IR-RF) on K-feldspar is such an innovative method that was already introduced two decades ago. IR-RF promises considerable extended temporal range...
Preprint
Full-text available
The success of luminescence dating as a chronological tool in Quaternary science builds upon innovative methodological approaches, providing new insights into past landscapes. Infrared radiofluorescence (IR-RF) on K-feldspar is such an innovative method already introduced two decades ago. IR-RF promises considerable extended temporal range and a si...
Article
A fully housed X-ray irradiator was developed for use within lexsyg or Magnettech desktop equipment. The importance of hardening of the low energy photon radiation is discussed, its performance and feasibility is empirically shown and sustained by basic numerical simulations. Results of the latter for various materials are given for different X-ray...
Article
We report on the feasibility of assessing single-grain dose-distributions by using an EMCCD-based imaging system with complementary analysis software. Automated image-processing was successfully applied to compensate sample motion and for automated grain identification. Following a dose recovery test, 74 % of the grains were recognized successfully...
Article
Highly sensitive electron multiplying charges coupled devices (EMCCD) enable the spatial detection of luminescence emissions from samples and have a high potential in single grain luminescence dating. However, the main challenge of this approach is the potential effect of cross talk, i.e. the influence of signal emitted by neighbouring grains, whic...
Conference Paper
Full-text available
In this paper the novel method MDP (microwave detected photoconductivity) [1-4] will be introduced to the field of contact less inline metrology at bricks. By the application of a widely advanced microwave detection technique, it is now possible to map minority carrier lifetime and photoconductivity simultaneously, with a so far unsurpassed combina...
Article
Full-text available
Changes in the conduction type of a multicrystalline brick can occur, since a high phosphorus concentration is typical for the low quality feedstock that is usually used in PV industry. The inline detection of these changes is made possible via photoconductivity measurements. The measured photoconductivity depends strongly on the resistivity of the...
Article
Full-text available
Non-destructive measurements of minority carrier lifetime are well established and widely used for process control and characterization of defects in crystalline silicon. In this paper the novel method MDP (microwave detected photoconductivity) will be introduced to the field of contact less inline metrology. It enables to map the minority carrier...

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