Dr. Lothar A. Reichertz Profile

Dr. Lothar A. Reichertz

Sr. R&D Scientist at NSP

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 6 July 2006 Paper

Development of a GaAs-based BIB detector for sub-mm wavelengths

J. Beeman, B. Cardozo, R. Katterloher, G. Jakob, N. Haegel, E. Haller, L. Reichertz

Proceedings Volume 6275, 62751S (2006) https://doi.org/10.1117/12.673039

KEYWORDS: Gallium arsenide, Sensors, Doping, Photoresistors, Absorption, Semiconducting wafers, Detector development, Germanium, Multilayers, Interfaces

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Proceedings Article | 29 August 2005 Paper

First results on GaAs blocked impurity band (BIB) structures for far-infrared detector arrays

S. Tschanz, R. Katterloher, J. Beeman, E. Haller, D. Larsen, G. Jakob, L. Reichertz, B. Cardozo, N. Haegel

Proceedings Volume 5883, 58830Q (2005) https://doi.org/10.1117/12.620156

KEYWORDS: Gallium arsenide, Doping, Sensors, Photoresistors, Liquid phase epitaxy, Detector arrays, Absorption, Sulfur, Carbon, Far infrared

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Proceedings Article | 4 November 2004 Paper

GaAs BIB photodetector development for far-infrared astronomy

Benjamin Cardozo, Jeffrey Beeman, Lothar Reichertz, Nancy Haegel, Reinhard Katterloher, Eugene Haller, Gerd Jakob

Proceedings Volume 5543, (2004) https://doi.org/10.1117/12.560291

KEYWORDS: Gallium arsenide, Sensors, Doping, Absorption, Liquid phase epitaxy, Photoresistors, Astronomy, Silicon, Detector arrays, Germanium

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Proceedings Article | 24 December 2003 Paper

Parallel deconvolution methods for three dimensional image restoration

Lothar Reichel, Bryan Lewis

Proceedings Volume 5205, (2003) https://doi.org/10.1117/12.507894

KEYWORDS: 3D image processing, Iterative methods, Image restoration, Deconvolution, Convolution, Image processing, Image quality, Image deconvolution, 3D image restoration, Computing systems

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Proceedings Article | 17 February 2003 Paper

LABOCA: a first-generation bolometer camera for APEX

Hans-Georg Meyer, Lothar Reichertz, Hans-Peter Gemuend, Karl Menten, Dirk Muders, Peter Schilke, Rolf Chini, Ernst Kreysa, Roland Lemke, Torsten May, Viatcheslav Zakosarenko, Frank Bertoldi

Proceedings Volume 4855, (2003) https://doi.org/10.1117/12.459176

KEYWORDS: Bolometers, Semiconducting wafers, Telescopes, Astronomy, Cameras, Space telescopes, Receivers, Superconductors, Gold, Helium

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Proceedings Article | 6 December 2002 Paper

A hybrid GMRES and TV-norm-based method for image restoration

Lothar Reichel, Bryan Lewis, Daniela Calvetti

Proceedings Volume 4791, (2002) https://doi.org/10.1117/12.452016

KEYWORDS: Image restoration, Iterative methods, Point spread functions, Matrices, MATLAB, Mathematics, Atmospheric modeling, Visualization, Convolution, Numerical analysis

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Proceedings Article | 20 November 2001 Paper

Krylov subspace iterative methods for nonsymmetric discrete ill-posed problems in image restoration

Daniela Calvetti, Lothar Reichel, Bryan Lewis

Proceedings Volume 4474, (2001) https://doi.org/10.1117/12.448653

KEYWORDS: Image restoration, Iterative methods, Matrices, Image quality, Computing systems, Point spread functions, Mathematics, Gold, MATLAB, Convolution

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Proceedings Article | 13 November 2000 Paper

Restoration of images with spatially variant blur by the GMRES method

Bryan Lewis, Lothar Reichel, Daniela Calvetti

Proceedings Volume 4116, (2000) https://doi.org/10.1117/12.406515

KEYWORDS: Computing systems, Matrices, Image restoration, Americium, Iterative methods, Promethium, Information operations, Mathematics, Space telescopes, Astronomy

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Proceedings Article | 13 November 2000 Paper

L-curve for the MINRES method

Lothar Reichel, Bryan Lewis, Daniela Calvetti

Proceedings Volume 4116, (2000) https://doi.org/10.1117/12.406517

KEYWORDS: Computing systems, Matrices, Condition numbers, Projection systems, Iterative methods, Error analysis, Discretization errors, Mathematics, MATLAB, Computer science

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Proceedings Article | 2 October 1998 Paper

Smooth or abrupt: a comparison of regularization methods

Daniela Calvetti, Lothar Reichel, Bryan Lewis

Proceedings Volume 3461, (1998) https://doi.org/10.1117/12.325689

KEYWORDS: Image filtering, Visualization, Matrices, Optical filters, Mathematics, Iterative methods, Statistical analysis, Distortion, Tolerancing, Condition numbers

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Proceedings Article | 31 July 1998 Paper

Bolometer array development at the Max-Planck-Institut fuer Radioastronomie

Albrecht Sievers, Eugene Haller, J. Gromke, L. Reichertz, C. Haslam, Jeffrey Beeman, Hans-Peter Gemuend, Volkert Hansen, R. Zylka, Ernst Kreysa

Proceedings Volume 3357, (1998) https://doi.org/10.1117/12.317367

KEYWORDS: Bolometers, Silicon, Telescopes, Waveguides, Absorption, Metals, Free space, Antennas, Composites, Semiconducting wafers

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Proceedings Article | 7 June 1995 Paper

Iterative solution methods for ill-posed problems

Daniela Calvetti, Q. Zhang, Lothar Reichel

Proceedings Volume 2563, (1995) https://doi.org/10.1117/12.211410

KEYWORDS: Iterative methods, Computer science, Information operations, Mathematics, Linear filtering, Matrices, Optical filters, Applied mathematics, Interference (communication), Silver

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Showing 5 of 12 publications

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