Dr. Thomas Klein Profile

Dr. Thomas Klein

CEO at Optores GmbH

SPIE Involvement:

Conference Program Committee | Author

Area of Expertise:

optical coherence tomography , Fourier-domain mode locking , FDML , wavelength-swept lasers , biomedical imaging

Websites:

Company Website | Personal Website

Publications (18)

Proceedings Article | 18 June 2021 Presentation + Paper

High finesse tunable Fabry-Perot filters in Fourier-domain modelocked lasers

Tom Pfeiffer, Thomas Klein, Alexander Mlynek, Wolfgang Wieser, Simon Lotz, Christin Grill, Robert Huber

Proceedings Volume 11630, 116301J (2021) https://doi.org/10.1117/12.2583501

KEYWORDS: Optical coherence tomography, Optical filters, Fabry–Perot interferometers, Tunable lasers, Tunable filters, Dispersion, Point spread functions, Hydrogen fluoride lasers, Fiber lasers, Data acquisition

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Proceedings Article | 21 February 2017 Paper

Analysis of FDML lasers with meter range coherence

Tom Pfeiffer, Wolfgang Draxinger, Wolfgang Wieser, Thomas Klein, Markus Petermann, Robert Huber

Proceedings Volume 10053, 100531T (2017) https://doi.org/10.1117/12.2254792

KEYWORDS: Optical coherence tomography, Coherence (optics), Tunable lasers, Mode locking, Laser development, Biomedical optics, Range imaging, Imaging systems, Interferometers, Video acceleration, Image quality

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Proceedings Article | 28 June 2016 Presentation

4D megahertz optical coherence tomography (OCT): imaging and live display beyond 1 gigavoxel/sec (Conference Presentation)

Robert Huber, Wolfgang Draxinger, Wolfgang Wieser, Jan Philip Kolb, Tom Pfeiffer, Sebastian Karpf, Matthias Eibl, Thomas Klein

Proceedings Volume 9720, 97200M (2016) https://doi.org/10.1117/12.2212498

KEYWORDS: Optical coherence tomography, Coherence imaging, Tissues, Imaging systems, Diagnostics, Ophthalmology, Cardiology, Image resolution, In vivo imaging, Microscopes

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Proceedings Article | 7 April 2016 Paper

Flexible A-scan rate MHz OCT: computational downscaling by coherent averaging

Tom Pfeiffer, Wolfgang Wieser, Thomas Klein, Markus Petermann, Jan-Phillip Kolb, Matthias Eibl, Robert Huber

Proceedings Volume 9697, 96970S (2016) https://doi.org/10.1117/12.2214788

KEYWORDS: Optical coherence tomography, Image quality, Imaging systems, Mode locking, Tunable lasers, Interferometers, Phase interferometry, Calibration, In vivo imaging, Image processing, Computing systems, Laser stabilization, Data acquisition, Optical filtering

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Proceedings Article | 8 March 2016 Presentation + Paper

Megahertz FDML laser with up to 143nm sweep range for ultrahigh resolution OCT at 1050nm

Jan Philip Kolb, Thomas Klein, Matthias Eibl, Tom Pfeiffer, Wolfgang Wieser, Robert Huber

Proceedings Volume 9697, 969703 (2016) https://doi.org/10.1117/12.2214758

KEYWORDS: Optical coherence tomography, Point spread functions, Tunable lasers, Mode locking, In vivo imaging, Retinal scanning, Light sources, Image processing, Imaging devices, Image resolution, Spectral resolution, Mirrors, Absorption, Modulation, Semiconductor lasers

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Proceedings Article | 22 July 2015 Paper

High definition in vivo retinal volumetric video rate OCT at 0.6 Giga-voxels per second

Jan Philip Kolb, Thomas Klein, Wolfgang Wieser, Wolfgang Draxinger, Robert Huber

Proceedings Volume 9541, 95410Z (2015) https://doi.org/10.1117/12.2183768

KEYWORDS: Optical coherence tomography, Video, Scanners, Eye, Computing systems, In vivo imaging, Retinal scanning, Retina, Mode locking, Visualization

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Proceedings Article | 14 July 2015 Paper

Hyperspectral stimulated Raman microscopy with two fiber laser sources

Matthias Eibl, Sebastian Karpf, Wolfgang Wieser, Thomas Klein, Robert Huber

Proceedings Volume 9536, 953604 (2015) https://doi.org/10.1117/12.2183822

KEYWORDS: Raman spectroscopy, Fiber lasers, Laser beam diagnostics, Microscopy, Pulsed laser operation, Modulation, Semiconductor lasers, Fiber amplifiers, Imaging systems, Oscillators

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Proceedings Article | 9 July 2015 Paper

Fully automated 1.5 MHz FDML laser with more than 100mW output power at 1310 nm

Wolfgang Wieser, Thomas Klein, Wolfgang Draxinger, Robert Huber

Proceedings Volume 9541, 954116 (2015) https://doi.org/10.1117/12.2183431

KEYWORDS: Optical coherence tomography, Control systems, Laser stabilization, Coherence imaging, Electronics, Diagnostics, Optical filters, Laser applications, Nondestructive evaluation, Biomedical optics

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Proceedings Article | 9 July 2015 Paper

Time-encoded Raman scattering (TICO-Raman) with Fourier domain mode locked (FDML) lasers

Sebastian Karpf, Matthias Eibl, Wolfgang Wieser, Thomas Klein, Robert Huber

Proceedings Volume 9541, 95410F (2015) https://doi.org/10.1117/12.2183859

KEYWORDS: Raman spectroscopy, Fiber lasers, Pulsed laser operation, Laser scattering, Microscopy, Optical coherence tomography, Laser beam diagnostics, Mode locking, Imaging systems, Raman scattering

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Proceedings Article | 16 March 2015 Paper

Dual parametric compounding approach for speckle reduction in OCT

Jan Philip Kolb, Philipp Schwarz, Thomas Klein, Wolfgang Wieser, Robert Huber

Proceedings Volume 9312, 93123G (2015) https://doi.org/10.1117/12.2077659

KEYWORDS: Optical coherence tomography, Speckle, Lenses, Sodium, Telescopes, Nondestructive evaluation, Interferometers, Retina, Collimators, Space telescopes

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Proceedings Article | 16 March 2015 Paper

Full volumetric video rate OCT of the posterior eye with up to 195.2 volumes/s

Jan Philip Kolb, Thomas Klein, Wolfgang Wieser, Wolfgang Draxinger, Robert Huber

Proceedings Volume 9312, 931202 (2015) https://doi.org/10.1117/12.2077147

KEYWORDS: Optical coherence tomography, Video, Scanners, Eye, Computing systems, Retinal scanning, Mode locking, Retina, Mirrors, 3D acquisition

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SPIE Journal Paper | 1 February 2013 Open Access

Retinal polarization-sensitive optical coherence tomography at 1060 nm with 350 kHz A-scan rate using an Fourier domain mode locked laser

Teresa Torzicky, Sebastian Marschall, Michael Pircher, Bernhard Baumann, Marco Bonesi, Stefan Zotter, Erich Götzinger, Wolfgang Trasischker, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Robert Huber, Peter Andersen, Christoph Hitzenberger

JBO, Vol. 18, Issue 02, 026008, (February 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.2.026008

KEYWORDS: Optical coherence tomography, Polarization, Birefringence, Imaging systems, Data acquisition, Image segmentation, Modulation, Mode locking, Retinal scanning, 3D acquisition

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SPIE Journal Paper | 29 June 2012 Open Access

Ultrahigh-speed non-invasive widefield angiography

Cedric Blatter, Branislav Grajciar, Tilman Schmoll, Rainer Leitgeb, Thomas Klein, Wolfgang Wieser, Raphael André, Robert Huber

JBO, Vol. 17, Issue 7, 070505, (June 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.7.070505

KEYWORDS: Angiography, Optical coherence tomography, Retina, Image segmentation, Visualization, Tissues, Capillaries, Vascular imaging, Diagnostics, Gold

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Proceedings Article | 8 May 2012 Paper

High-speed polarization-sensitive OCT at 1060 nm using a Fourier domain mode-locked swept source

Sebastian Marschall, Teresa Torzicky, Thomas Klein, Wolfgang Wieser, Michael Pircher, Erich Götzinger, Stefan Zotter, Marco Bonesi, Benjamin Biedermann, Christian Pedersen, Robert Huber, Christoph Hitzenberger, Peter Andersen

Proceedings Volume 8427, 84271D (2012) https://doi.org/10.1117/12.922313

KEYWORDS: Optical coherence tomography, Polarization, In vivo imaging, Image segmentation, Imaging systems, Eye, Retina, Sclera, Mode locking, Light sources

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Proceedings Article | 18 February 2012 Paper

Broadband Fourier domain mode-locked laser for optical coherence tomography at 1060 nm

Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Teresa Torzicky, Michael Pircher, Benjamin Biedermann, Christian Pedersen, Christoph Hitzenberger, Robert Huber, Peter Andersen

Proceedings Volume 8213, 82130R (2012) https://doi.org/10.1117/12.906148

KEYWORDS: Optical coherence tomography, Modulation, Absorption, Light sources, Tunable filters, Point spread functions, Mode locking, Eye, Resonators, Laser optics

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Proceedings Article | 18 February 2012 Paper

Multi-MHz FDML OCT: snapshot retinal imaging at 6.7 million axial-scans per second

Thomas Klein, Wolfgang Wieser, Raphael André, Tom Pfeiffer, Christoph Eigenwillig, Robert Huber

Proceedings Volume 8213, 82131E (2012) https://doi.org/10.1117/12.908798

KEYWORDS: Optical coherence tomography, Retinal scanning, Eye, Scanners, 3D acquisition, Pulsed laser operation, Laser resonators, Tunable lasers, Retina, Mode locking

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Proceedings Article | 17 May 2010 Paper

High-power FDML laser for swept source-OCT at 1060 nm

Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Kevin Hsu, Bernd Sumpf, Karl-Heinz Hasler, Götz Erbert, Ole Jensen, Christian Pedersen, Robert Huber, Peter Andersen

Proceedings Volume 7715, 77150B (2010) https://doi.org/10.1117/12.854238

KEYWORDS: Optical amplifiers, Fiber amplifiers, Light sources, Semiconductor optical amplifiers, Optical coherence tomography, Point spread functions, Resonators, Tunable filters, Fiber couplers, High power lasers

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Proceedings Article | 20 February 2010 Paper

FDML swept source at 1060 nm using a tapered amplifier

Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Kevin Hsu, Bernd Sumpf, Karl-Heinz Hasler, Götz Erbert, Ole Jensen, Christian Pedersen, Robert Huber, Peter Andersen

Proceedings Volume 7554, 75541H (2010) https://doi.org/10.1117/12.842011

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