Dr. Andreas Gombert Profile

Dr. Andreas Gombert

Managing Director at ILFA Feinstleitertechnik GmbH

SPIE Involvement:

Editor | Author

Publications (26)

Proceedings Article | 19 September 2011 Paper

Field performance of Concentrix CPV systems

A. Gombert, C. Crawford, T. Gerstmaier, S. van Riesen, M. Röttger, J. Wüllner

Proceedings Volume 8108, 810806 (2011) https://doi.org/10.1117/12.893063

KEYWORDS: Brain-machine interfaces, Energy efficiency, Reliability, Glasses, Climatology, Solar concentrators, Fresnel lenses, Concentrated solar cells, Standards development, Sensors

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Proceedings Article | 18 May 2010 Paper

Temperature and wavelength dependent measurement and simulation of Fresnel lenses for concentrating photovoltaics

Thorsten Hornung, Andreas Bachmaier, Peter Nitz, Andreas Gombert

Proceedings Volume 7725, 77250A (2010) https://doi.org/10.1117/12.854499

KEYWORDS: Fresnel lenses, Temperature metrology, Silicon, Computer simulations, Glasses, Solar concentrators, Solar cells, Finite element methods, Light sources, Ray tracing

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Proceedings Article | 18 May 2010 Paper

Recent progress in concentrator photovoltaics

A. Gombert, I. Heile, J. Wüllner, T. Gerstmaier, S. van Riesen, E. Gerster, M. Röttger, H. Lerchenmüller

Proceedings Volume 7725, 772508 (2010) https://doi.org/10.1117/12.858888

KEYWORDS: Solar concentrators, Photovoltaics, Solar cells, Concentrated solar cells, Solar energy, Energy efficiency, Brain-machine interfaces, Fresnel lenses, Glasses, Silicon

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Proceedings Article | 8 May 2008 Paper

Directional selectivity and light-trapping in solar cells

Carolin Ulbrich, Stephan Fahr, Marius Peters, Johannes Üpping, Thomas Kirchartz, Carsten Rockstuhl, Jan Christoph Goldschmidt, Philipp Löper, Ralf Wehrspohn, Andreas Gombert, Falk Lederer, Uwe Rau

Proceedings Volume 7002, 70020A (2008) https://doi.org/10.1117/12.781248

KEYWORDS: Solar cells, Sun, Solar energy, Quantum efficiency, External quantum efficiency, Optical filters, Optical coatings, Silicon solar cells, Diffusion, Energy efficiency

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Proceedings Article | 5 May 2008 Paper

Design of photonic structures for the enhancement of the light guiding efficiency of fluorescent concentrators

M. Peters, J. Goldschmidt, P. Löper, L. Prönneke, B. Bläsi, A. Gombert

Proceedings Volume 7002, 70020V (2008) https://doi.org/10.1117/12.781087

KEYWORDS: Solar concentrators, Refractive index, Reflectivity, Photonic crystals, Optical coatings, Solar cells, Optical filters, Absorption, Optical spheres, Reflection

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Proceedings Article | 12 May 2006 Paper

Organic solar cells with inverted layer sequence incorporating optical spacers: simulation and experiment

Birger Zimmermann, Markus Glatthaar, Michael Niggemann, Moritz Kilian Riede, Tobias Ziegler, Andreas Gombert

Proceedings Volume 6197, 61970G (2006) https://doi.org/10.1117/12.662530

KEYWORDS: Solar cells, Active optics, Metals, Electrodes, Optical simulations, Absorption, Organic photovoltaics, Near field optics, Glasses, Sun

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Proceedings Article | 12 May 2006 Paper

Rigorous validation of the lateral Goos-Hänchen shift in microstructured sun shading systems

Günther Walze, Andreas Gombert, Peter Nitz, Benedikt Bläsi

Proceedings Volume 6197, 61970Z (2006) https://doi.org/10.1117/12.662463

KEYWORDS: Sun, Electromagnetic radiation, Transmittance, Numerical analysis, Refraction, Diffraction, Near field, Prisms, Interfaces, Diffraction gratings

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Proceedings Article | 12 May 2006 Paper

Optical near field phenomena in planar and structured organic solar cells

M. Niggemann, T. Ziegler, M. Glatthaar, M. Riede, B. Zimmermann, A. Gombert

Proceedings Volume 6197, 61970D (2006) https://doi.org/10.1117/12.662063

KEYWORDS: Absorption, Solar cells, Near field optics, Electrodes, Organic photovoltaics, Metals, Modeling, Organic semiconductors, Near field, Aluminum

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Proceedings Article | 12 May 2006 Paper

Datamining and analysis of the key parameters in organic solar cells

Moritz Riede, Andreas Liehr, Markus Glatthaar, Michael Niggemann, Birger Zimmermann, Tobias Ziegler, Andreas Gombert, Gerhard Willeke

Proceedings Volume 6197, 61970H (2006) https://doi.org/10.1117/12.662974

KEYWORDS: Principal component analysis, Solar cells, Organic photovoltaics, Statistical analysis, Aluminum, Absorption, Statistical methods, Manufacturing, Polymers, Solar energy systems

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Proceedings Article | 20 April 2006 Paper

The influence of doping on the performance of organic bulk heterojunction solar cells

Markus Glatthaar, Nicola Mingirulli, Birger Zimmermann, Florian Clement, Moritz Riede, Bas van der Wiel, Michael Niggemann, Andreas Gombert

Proceedings Volume 6192, 61921V (2006) https://doi.org/10.1117/12.662695

KEYWORDS: Solar cells, Annealing, Doping, Photovoltaics, Aluminum, Diodes, Neck, Heterojunctions, Dielectric spectroscopy, Semiconductors

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Proceedings Article | 4 October 2005 Paper

Functional substrates for flexible organic solar cells

M. Niggemann, D. Ruf, B. Bläsi, M. Glatthaar, M. Riede, C. Müller, B. Zimmermann, A. Gombert

Proceedings Volume 5938, 593802 (2005) https://doi.org/10.1117/12.617196

KEYWORDS: Solar cells, Electrodes, Organic photovoltaics, Resistance, Absorption, Gold, Holography, Metals, Photovoltaics, Thin films

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Proceedings Article | 6 May 2005 Paper

Maskless origination of microstructures with optical functions on large areas

Jorg Mick, Andreas Gombert, Benedikt Blasi, Claas Muller

Proceedings Volume 5751, (2005) https://doi.org/10.1117/12.598482

KEYWORDS: Photoresist materials, Lithography, Polymers, Silicon, Glasses, Optical components, Lenses, Photomicroscopy, Solar energy systems, Optics manufacturing

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SPIE Journal Paper | 1 November 2004

Some application cases and related manufacturing techniques for optically functional microstructures on large areas

Andreas Gombert, Benedikt Bläsi, Chiristopher Bühler, Peter Nitz, Jörg Mick, Wolfgang Hoßfeld, Michael Niggemann

OE, Vol. 43, Issue 11, (November 2004) https://doi.org/10.1117/12.10.1117/1.1803552

KEYWORDS: Antireflective coatings, Photoresist materials, Optics manufacturing, Lithography, Compound parabolic concentrators, Sun, Refractive index, Diffusers, Solar cells, Polymers

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Proceedings Article | 8 September 2004 Paper

Large-area origination and replication of microstructures with optical functions

Andreas Gombert, Karen Forberich, Benedikt Blasi, Jorg Mick, Wolfgang HoBfeld, Volker Kubler, Volkmar Boerner

Proceedings Volume 5454, (2004) https://doi.org/10.1117/12.545637

KEYWORDS: Photoresist materials, Lithography, Nickel, Polymers, Ultraviolet radiation, Coating, Photoresist developing, Manufacturing, Optical properties, Transmittance

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Proceedings Article | 29 December 2003 Paper

Replicated microstructures with optical functions in solar and display applications

Andreas Gombert, Benedikt Blasi, Christopher Buehler, Peter Nitz, Joerg Mick, Wolfgang Hossfeld, Michael Niggemann

Proceedings Volume 5184, (2003) https://doi.org/10.1117/12.504588

KEYWORDS: Photoresist materials, Antireflective coatings, Compound parabolic concentrators, Sun, Diffusers, Refractive index, Prisms, Polymers, Solar cells, Lithography

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Proceedings Article | 26 December 2001 Paper

Periodic microstructures for large area applications generated by holography

Michael Niggemann, Benedikt Blaesi, Volkmar Boerner, Andreas Gombert, Michael Klicker, Volker Kuebler, Philippe Lalanne, Volker Wittwer

Proceedings Volume 4438, (2001) https://doi.org/10.1117/12.451498

KEYWORDS: Holography, Photoresist materials, Polymers, Antireflective coatings, Diffraction gratings, Optics manufacturing, Refractive index, Particles, Nickel, Photoresist developing

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Proceedings Article | 7 September 1999 Paper

Reduction of reflection losses at PMMA Fresnel lenses

Heidrun Jaenchen, Ulrike Schulz, Andreas Gombert

Proceedings Volume 3738, (1999) https://doi.org/10.1117/12.360093

KEYWORDS: Fresnel lenses, Antireflective coatings, Optical coatings, Polymethylmethacrylate, Reflection, Reflectivity, Projection systems, Magnesium fluoride, Microscopes, LCDs

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Proceedings Article | 29 April 1999 Paper

Simulation and optimization of holographically exposed photoresist gratings

Ch. Zanke, Andreas Gombert, Andreas Erdmann, M. Weiss

Proceedings Volume 3729, (1999) https://doi.org/10.1117/12.346788

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Proceedings Article | 1 September 1995 Paper

Depolarization effects in ellipsometric measurements of thick layers

Konstantin Forcht, Ralph Joerger, Andreas Gombert, Michael Koehl, Wolfgang Graf

Proceedings Volume 2554, (1995) https://doi.org/10.1117/12.218188

KEYWORDS: Reflection, Ellipsometry, Polarization, Superposition, Thin films, Reflectivity, Refractive index, Silicon, Glasses, Opacity

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Proceedings Article | 23 August 1995 Paper

Measurement of the hemispherical reflectance and transmittance at variable angles of incidence

Andreas Gombert, Josef Steinhart, C. Sanowski, Konstantin Forcht, Franz Brucker, Wolfgang Graf, Michael Koehl

Proceedings Volume 2531, (1995) https://doi.org/10.1117/12.217338

KEYWORDS: Optical spheres, Reflectivity, Transmittance, Diodes, Integrating spheres, Sensors, Solar energy, Polarizers, Germanium, Error analysis

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Proceedings Article | 23 August 1995 Paper

Advanced windows with a wide range in solar transmittance

Volker Wittwer, Andreas Gombert, Wolfgang Graf, Michael Koehl

Proceedings Volume 2531, (1995) https://doi.org/10.1117/12.217322

KEYWORDS: Transmittance, Solar energy, Antireflective coatings, Glasses, Silver, Refractive index, Absorption, Switching, Prototyping, Sol-gels

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Proceedings Article | 9 September 1994 Paper

Characterization of a-C:H/W and a-C:H/Cr solar selective absorber coatings

R. Gampp, P. Gantenbein, Y. Kuster, Paul Reimann, R. Steiner, P. Oelhafen, Stefan Brunold, Ulrich Frei, Andreas Gombert, Ralph Joerger, Wolfgang Graf, Michael Koehl

Proceedings Volume 2255, (1994) https://doi.org/10.1117/12.185360

KEYWORDS: Copper, Reflectivity, Metals, Tungsten, Argon, Chromium, Optical coatings, Scanning electron microscopy, Carbon, Methane

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Proceedings Article | 9 September 1994 Paper

Optical properties and morphology of thin sputtered silver layers

Lothar Herlitze, Rolf Blessing, Andreas Gombert, Wolfgang Graf, Michael Koehl

Proceedings Volume 2255, (1994) https://doi.org/10.1117/12.185395

KEYWORDS: Silver, Glasses, Oxides, Transmittance, Optical properties, Bismuth, Spectroscopy, Ultraviolet radiation, Optical coatings, Solar energy systems

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Proceedings Article | 9 September 1994 Paper

Atomic-force microscope images of silica carbogel

Bruno Chevalier, Jean-Luc Chevalier, A. Borne, Frederic Chollet, Andreas Gombert, E. Elaloui

Proceedings Volume 2255, (1994) https://doi.org/10.1117/12.185431

KEYWORDS: Particles, Silica, Atomic force microscope, Scattering, Rayleigh scattering, 3D image processing, Visualization, Transmittance, Resistance, Microscopes

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