Prof. Theo Lasser Profile

Prof. Theo Lasser

Head of Lab d'Optique Biomedicale at Ecole Polytechnique Fédérale de Lausanne

SPIE Involvement:

Author

Publications (51)

Proceedings Article | 4 March 2019 Presentation

Brain imaging with extended-focus optical coherence tomography at different scales and spectral ranges (Conference Presentation)

Paul Marchand, Arno Bouwens, Daniel Szlag, Theo Lasser, Jérôme Extermann

Proceedings Volume 10867, 108671U (2019) https://doi.org/10.1117/12.2511462

KEYWORDS: Optical coherence tomography, Imaging systems, Brain imaging, In vivo imaging, 3D acquisition, 3D image processing, Blood circulation, Wavefronts, Image resolution, Axons

Read Abstract +

SPIE Journal Paper | 24 March 2018 Open Access

In vivo high-resolution cortical imaging with extended-focus optical coherence microscopy in the visible-NIR wavelength range

Paul Marchand, Daniel Szlag, Arno Bouwens, Theo Lasser

JBO, Vol. 23, Issue 03, 036012, (March 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.3.036012

KEYWORDS: Imaging systems, In vivo imaging, Image resolution, Optical coherence tomography, Axons, Optical coherence microscopy, Visible radiation, Backscatter, Point spread functions, Capillaries

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 21 February 2017 Paper

Combining PALM and SOFI for quantitative imaging of focal adhesions in living cells

Hendrik Deschout, Tomas Lukes, Azat Sharipov, Lely Feletti, Theo Lasser, Aleksandra Radenovic

Proceedings Volume 10071, 100710E (2017) https://doi.org/10.1117/12.2252865

KEYWORDS: Live cell imaging, Super resolution, Temporal resolution, Photo activated localization microscopy, Optical imaging, Proteins, Molecules, Spatial resolution, Image quality, Image resolution, Cameras, Computer simulations, Luminescence, Structural dynamics, Fluorescent proteins

Read Abstract +

SPIE Journal Paper | 23 December 2016 Open Access

High-speed phase-shifting common-path quantitative phase imaging with a piezoelectric actuator

Séverine Coquoz, Amir Nahas, Miguel Sison, Antonio Lopez, Theo Lasser

JBO, Vol. 21, Issue 12, 126019, (December 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.12.126019

KEYWORDS: Mirrors, Phase shifts, Phase imaging, Actuators, Video, Phase shift keying, Cameras, Microscopy, Microscopes, Phase shifting

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 26 April 2016 Presentation

Three dimensional time lapse imaging of live cell mitochondria with photothermal optical lock-in optical coherence microscopy (Conference Presentation)

Miguel Sison, Sabyasachi Chakrabortty, Jerome Extermann, Amir Nahas, Christophe Pache, Tanja Weil, Theo Lasser

Proceedings Volume 9697, 96971Y (2016) https://doi.org/10.1117/12.2214761

KEYWORDS: 3D image processing, Live cell imaging, Optical coherence microscopy, Nanoparticles, Coherence (optics), Microscopes, Gold, Luminescence, Confocal microscopy, Optical coherence tomography

Read Abstract +

Proceedings Article | 26 April 2016 Presentation

Statistical parametric mapping of stimuli-evoked changes in quantitative blood flow using extended-focus optical coherence microscopy (Conference Presentation)

Paul Marchand, Arno Bouwens, Vincent Shamaei, David Nguyen, Jerome Extermann, Tristan Bolmont, Theo Lasser

Proceedings Volume 9690, 96901H (2016) https://doi.org/10.1117/12.2210982

KEYWORDS: Brain mapping, Optical coherence microscopy, Blood circulation, Magnetic resonance imaging, Blood, Neuroimaging, Brain, Functional magnetic resonance imaging, Doppler effect, Magnetism

Read Abstract +

Proceedings Article | 8 March 2016 Presentation + Paper

Imaging of the stroke-related changes in the vascular system of the mouse brain with the use of extended focus optical coherence microscopy

Szymon Tamborski, Hong Chou Lyu, Danuta Bukowska, Hubert Dolezyczek, Grzegorz Wilczynski, Daniel Szlag, Theo Lasser, Maciej Wojtkowski, Maciej Szkulmowski

Proceedings Volume 9697, 969718 (2016) https://doi.org/10.1117/12.2214779

KEYWORDS: Imaging systems, Optical coherence microscopy, Brain, Bessel beams, Coherence (optics), Angiography, Blood circulation, Microscopes, Optical coherence tomography, Neuroimaging, Arteries, Semiconductor lasers, Blood, Ischemic stroke

Read Abstract +

Proceedings Article | 3 March 2010 Paper

Flicker stimulated retinal perfusion changes assessed with high-speed Doppler tomography

Tilman Schmoll, Amardeep S. Singh, Karine Frily, Cedric Blatter, Martin Villiger, Christoph Pache, Theo Lasser, R. Leitgeb

Proceedings Volume 7550, 75500F (2010) https://doi.org/10.1117/12.842922

KEYWORDS: Doppler tomography, Optical coherence tomography, Algorithm development, Optic nerve, Head, Arteries, Pathology, Pathogens, Functional imaging, Physiology

Read Abstract +

Proceedings Article | 26 February 2010 Paper

Super-resolved position and orientation estimation of fluorescent dipoles using 3-D steerable filters

S. Geissbuehler, F. Aguet, I. Maerki, T. Lasser

Proceedings Volume 7571, 75710P (2010) https://doi.org/10.1117/12.841783

KEYWORDS: Diffraction, Molecules, Luminescence, Image acquisition, 3D modeling, Point spread functions, Microscopy, Sensors, Image filtering, Super resolution

Read Abstract +

Proceedings Article | 20 February 2010 Paper

Dark-field optical coherence microscopy

C. Pache, M. Villiger, T. Lasser

Proceedings Volume 7554, 755425 (2010) https://doi.org/10.1117/12.842848

KEYWORDS: Optical coherence microscopy, Microscopy, Light scattering, Glasses, Interfaces, Signal detection, Objectives, Axicons, Specular reflections, Interferometry

Read Abstract +

Proceedings Article | 20 February 2010 Paper

Coherent transfer functions and extended depth of field

M. Villiger, C. Pache, Rainer Leitgeb, Theo Lasser

Proceedings Volume 7554, 755417 (2010) https://doi.org/10.1117/12.840819

KEYWORDS: Contrast transfer function, Signal detection, Focus stacking, Spatial frequencies, Axicons, Optical coherence microscopy, Spectroscopy, Objectives, Point spread functions, Lenses

Read Abstract +

Proceedings Article | 14 July 2009 Paper

In vivo imaging of pancreatic endocrine islets

Martin Villiger, Joan Goulley, Christophe Pache, Michael Friedrich, Anne Grapin-Botton, Paolo Meda, Rainer Leitgeb, Theo Lasser

Proceedings Volume 7372, 73720E (2009) https://doi.org/10.1117/12.831864

KEYWORDS: Pancreas, In vivo imaging, Tissues, Axicons, Scanners, Visualization, Glucose, Signal detection, Blood vessels, 3D image processing

Read Abstract +

Proceedings Article | 14 July 2009 Paper

See the brain at work: intraoperative laser Doppler functional brain imaging

E. Martin-Williams, A. Raabe, D. Van De Ville, M. Leutenegger, A. Szelényi, E. Hattingen, R. Gerlach, V. Seifert, C. Hauger, A. Lopez, R. Leitgeb, M. Unser, T. Lasser

Proceedings Volume 7372, 737212 (2009) https://doi.org/10.1117/12.831813

KEYWORDS: Brain, Neuroimaging, Doppler effect, Brain mapping, Surgery, Visualization, Functional magnetic resonance imaging, Brain imaging, Microscopes, Magnetic resonance imaging

Read Abstract +

Proceedings Article | 1 July 2009 Paper

Super-resolved position and orientation of fluorescent dipoles

François Aguet, Stefan Geissbühler, Iwan Märki, Theo Lasser, Michael Unser

Proceedings Volume 7367, 73670Y (2009) https://doi.org/10.1117/12.831488

KEYWORDS: Diffraction, Image acquisition, Super resolution, Luminescence, Microscopy, Signal to noise ratio, Interference (communication), Molecules, Detection and tracking algorithms, Model-based design

Read Abstract +

Proceedings Article | 25 February 2009 Paper

High volume confinement in two-photon fluorescence correlation spectroscopy with radially polarized light

D. Ivanov, V. Shcheslavskiy, I. Märki, M. Leutenegger, T. Lasser

Proceedings Volume 7185, 71850D (2009) https://doi.org/10.1117/12.807596

KEYWORDS: Polarization, Fluorescence correlation spectroscopy, Luminescence, Molecules, Objectives, Picosecond phenomena, Axicons, Pulsed laser operation, Liquid crystals, Ultrafast lasers

Read Abstract +

Proceedings Article | 19 February 2009 Paper

Cyclic reconstruction of 4D retinal blood flow with pulse synchronization

Tilman Schmoll, Theo Lasser, Rainer Leitgeb

Proceedings Volume 7168, 71680A (2009) https://doi.org/10.1117/12.809289

KEYWORDS: Heart, Optical coherence tomography, Blood circulation, Visualization, Tissues, Spectroscopy, Biomedical optics, Doppler tomography, CMOS sensors, Sensors

Read Abstract +

Proceedings Article | 25 February 2008 Paper

Frequency encoded assessment of retinal physiology

Rainer Leitgeb, Roland Michaely, Adrian Bachmann, Theo Lassner, Cedric Blatter

Proceedings Volume 6844, 68440I (2008) https://doi.org/10.1117/12.764330

KEYWORDS: Modulation, Reflectivity, Optical coherence tomography, Retina, Physiology, In vivo imaging, Image segmentation, Functional imaging, Computer programming, Heart

Read Abstract +

Proceedings Article | 21 February 2008 Paper

Imaging of G protein-coupled receptors in solid-supported planar membranes at the single molecule level

Iwan Märki, Marcel Leutenegger, Matthias Geissbuehler, Rudolf Robelek, Eva-Kathrin Sinner, Theo Lasser

Proceedings Volume 6862, 68620X (2008) https://doi.org/10.1117/12.763088

KEYWORDS: Receptors, Molecules, Luminescence, Fluorescence correlation spectroscopy, Proteins, Diffusion, Image segmentation, Microscopy, Image analysis, Confocal microscopy

Read Abstract +

Proceedings Article | 20 February 2008 Paper

Fast focus field calculations

Marcel Leutenegger, Matthias Geissbuehler, Iwan Märki, Rainer Leitgeb, Theo Lasser

Proceedings Volume 6861, 68610R (2008) https://doi.org/10.1117/12.763188

KEYWORDS: Objectives, Polarization, Interfaces, Bessel beams, Optical coherence tomography, Fourier transforms, Wave propagation, Diffraction, Silver, Gold

Read Abstract +

Proceedings Article | 20 February 2008 Paper

k-Microscopy: resolution beyond the diffraction limit

Matthias Geissbuehler, Theo Lasser, Rainer Leitgeb

Proceedings Volume 6861, 68610X (2008) https://doi.org/10.1117/12.763191

KEYWORDS: Diffraction, Spatial frequencies, Sensors, Wavelength tuning, Microscopy, Image processing, Image resolution, Biomedical optics, Modulation, Temporal coherence

Read Abstract +

Proceedings Article | 20 February 2008 Paper

Extended focus optical coherence microscopy and fluorescence lifetime imaging

Martin Villiger, Cedric Blatter, Adrian Bachmann, Theo Lasser, Rainer Leitgeb

Proceedings Volume 6861, 68610N (2008) https://doi.org/10.1117/12.763163

KEYWORDS: Fluorescence lifetime imaging, Luminescence, Axicons, Objectives, Mirrors, Optical coherence microscopy, Modulation, Signal detection, Focus stacking, Relays

Read Abstract +

Proceedings Article | 11 July 2007 Paper

Intensity-based quantification of fast retinal blood flow in 3D via high resolution resonant Doppler spectral OCT

R. Michaely, A. Bachmann, M. Villiger, C. Blatter, T. Lasser, R. Leitgeb

Proceedings Volume 6627, 66270J (2007) https://doi.org/10.1117/12.728473

KEYWORDS: Doppler tomography, Signal attenuation, Optical coherence tomography, Blood circulation, Doppler effect, Blood vessels, 3D image processing, Optic nerve, Head, Cameras

Read Abstract +

Proceedings Article | 11 July 2007 Paper

Extended focus Fourier domain optical coherence microscopy assists developmental biology

Martin Villiger, Manfred Beleut, Cathrin Brisken, Theo Lasser, Rainer Leitgeb

Proceedings Volume 6627, 66271H (2007) https://doi.org/10.1117/12.728370

KEYWORDS: Mammary gland, Axicons, Tissues, In vivo imaging, Optical coherence tomography, Optical coherence microscopy, Green fluorescent protein, Space telescopes, Biology, Microscopy

Read Abstract +

SPIE Journal Paper | 1 July 2007 Open Access

Vectorial reconstruction of retinal blood flow in three dimensions measured with high resolution resonant Doppler Fourier domain optical coherence tomography

Roland Michaely, Adrian Bachmann, Martin Villiger, Cedric Blatter, Theo Lasser, Rainer Leitgeb

JBO, Vol. 12, Issue 04, 041213, (July 2007) https://doi.org/10.1117/12.10.1117/1.2771553

KEYWORDS: Blood circulation, Doppler tomography, Signal attenuation, Optical coherence tomography, Doppler effect, Cameras, 3D image processing, Reconstruction algorithms, Image segmentation, Signal to noise ratio

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 5 March 2007 Paper

Measurement of retinal physiology using functional Fourier domain OCT concepts

R. Leitgeb, A. Bachmann, M. Villiger, R. Michaely, C. Blatter, T. Lasser, C. Pache, M. Pircher

Proceedings Volume 6426, 642609 (2007) https://doi.org/10.1117/12.702232

KEYWORDS: Doppler effect, Optical coherence tomography, Spectroscopy, Physiology, Functional imaging, Tissue optics, Blood circulation, Polarization, Doppler tomography, Tissues

Read Abstract +

Proceedings Article | 21 July 2006 Paper

High-speed laser Doppler imaging of blood flow in biological tissue

Alexandre Serov, Theo Lasser

Proceedings Volume 6163, 616301 (2006) https://doi.org/10.1117/12.696924

KEYWORDS: Imaging systems, Signal to noise ratio, Doppler effect, Sensors, Skin, Blood circulation, CMOS sensors, Signal detection, Photons, In vitro testing

Read Abstract +

SPIE Journal Paper | 1 July 2006 Open Access

Dual-color total internal reflection fluorescence cross-correlation spectroscopy

Marcel Leutenegger, Michael Gösch, Rainer Leitgeb, Theo Lasser, Hans Blom, Jerker Widengren, Christian Eggeling

JBO, Vol. 11, Issue 04, 040502, (July 2006) https://doi.org/10.1117/12.10.1117/1.2221714

KEYWORDS: Luminescence, Fluorescence spectroscopy, Spectroscopy, Reflectance spectroscopy, Molecules, Interfaces, Confocal microscopy, Objectives, Diffusion, Single molecule spectroscopy

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 27 February 2006 Paper

Combined laser Doppler and laser speckle imaging for real-time blood flow measurements

Alexandre Serov, Theo Lasser

Proceedings Volume 6094, 609406 (2006) https://doi.org/10.1117/12.646012

KEYWORDS: Imaging systems, Doppler effect, Blood circulation, Speckle, Laser speckle imaging, Signal detection, CMOS sensors, Sensors, Signal processing, Tissues

Read Abstract +

Proceedings Article | 25 February 2006 Paper

Full-field high-speed laser Doppler imaging system for blood-flow measurements

Alexandre Serov, Theo Lasser

Proceedings Volume 6080, 608004 (2006) https://doi.org/10.1117/12.645205

KEYWORDS: Imaging systems, Doppler effect, Blood circulation, CMOS sensors, Sensors, Photons, Signal detection, Skin, Visualization, Diagnostics

Read Abstract +

Proceedings Article | 20 February 2006 Paper

Complex unltrahigh resolution Fourier domain optical coherence tomography

Adrian Bachmann, Rainer Leitgeb, Theo Lasser

Proceedings Volume 6079, 60790X (2006) https://doi.org/10.1117/12.648862

KEYWORDS: Mirrors, Sensors, Optical coherence tomography, Signal detection, Reconstruction algorithms, Spectroscopy, In vivo imaging, Fourier transforms, Phase shift keying, Modulation

Read Abstract +

Proceedings Article | 13 February 2006 Paper

Laser Doppler blood-flow imaging combined with topographical imaging of the sample

Roland Michaely, Alexandre Serov, Pierre Jacquot, Theo Lasser

Proceedings Volume 6081, 608109 (2006) https://doi.org/10.1117/12.645200

KEYWORDS: Doppler effect, Blood circulation, Skin, Imaging systems, 3D metrology, 3D image processing, In vivo imaging, Tissue optics, Wound healing, Digital micromirror devices

Read Abstract +

SPIE Journal Paper | 1 September 2005 Open Access

Parallel dual-color fluorescence cross-correlation spectroscopy using diffractive optical elements

Michael Gösch, Hans Blom, Sylvain Anderegg, Kerstin Korn, Per Thyberg, Mona Wells, Theo Lasser, Rudolf Rigler, Anders Magnusson, Sverker Hard

JBO, Vol. 10, Issue 05, 054008, (September 2005) https://doi.org/10.1117/12.10.1117/1.2080707

KEYWORDS: Molecules, Luminescence, Spectroscopy, Diffractive optical elements, Fluorescence spectroscopy, Biological research, Time metrology, Statistical analysis, Bandpass filters, Glasses

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 1 September 2005 Paper

Wavelength multiplexed spectral interferometry for endoscopic topographic imaging

L. Froehly, A. Bachmann, T. Lasser, C. Depeursinge, F. Lang

Proceedings Volume 5864, 586406 (2005) https://doi.org/10.1117/12.632911

KEYWORDS: Computer programming, Diffraction gratings, Interferometry, Endoscopy, Wavelets, Multiplexing, Diffraction, Imaging systems, Optical coherence tomography, Single mode fibers

Read Abstract +

Proceedings Article | 22 June 2005 Paper

Full-field laser Doppler blood-flow imaging and monitoring using an intelligent CMOS camera and area illumination

A. Serov, B. Steinacher, T. Lasser

Proceedings Volume 5771, (2005) https://doi.org/10.1117/12.634657

KEYWORDS: Doppler effect, Imaging systems, Signal processing, Digital signal processing, CMOS sensors, Sensors, Skin, Signal detection, CMOS cameras, Blood circulation

Read Abstract +

Proceedings Article | 13 April 2005 Paper

Continuous wavelet transform ridge extraction for spectral interferometry imaging

Michael Liebling, Thierry-Francois Bernhard, Adrian Bachmann, Luc Froehly, Theo Lasser, Michael Unser

Proceedings Volume 5690, (2005) https://doi.org/10.1117/12.591440

KEYWORDS: Continuous wavelet transforms, Computer programming, Interferometry, Multiplexing, Single mode fibers, Wavelets, Wavelet transforms, Fourier transforms, Charge-coupled devices, Biomedical optics

Read Abstract +

Proceedings Article | 13 April 2005 Paper

A semi-analytical model accounting for multiple scattering in optical coherence tomography

Boris Karamata, Patrick Lambelet, Marcel Leutenegger, Markus Laubscher, Stephane Bourquin, Theo Lasser

Proceedings Volume 5690, (2005) https://doi.org/10.1117/12.590237

KEYWORDS: Optical coherence tomography, Mirrors, Multiple scattering, Light scattering, Sensors, Scattering, Motion models, Statistical modeling, Monte Carlo methods, Signal detection

Read Abstract +

Proceedings Article | 13 April 2005 Paper

Parallel broadband fluorescent light source for optical coherence tomography

Stephane Bourquin, Laetitia Laversenne, Simon Rivier, Theo Lasser, Rene-Paul Salathe, Markus Pollnau, Christos Grivas, David Shepherd, Robert Eason

Proceedings Volume 5690, (2005) https://doi.org/10.1117/12.592819

KEYWORDS: Waveguides, Optical coherence tomography, Luminescence, Light sources, Microlens array, Beam splitters, Mirrors, Interferometers, Optical fibers, Channel projecting optics

Read Abstract +

Proceedings Article | 29 March 2005 Paper

Fluorescence correlation spectroscopy on dielectric surfaces in total internal reflection geometries

Tiemo Anhut, Kai Hassler, Theo Lasser, Karsten Koenig, Rudolf Rigler

Proceedings Volume 5699, (2005) https://doi.org/10.1117/12.591438

KEYWORDS: Molecules, Objectives, Fluorescence correlation spectroscopy, Confocal microscopy, Microscopes, Dielectrics, Luminescence, Glasses, Reflection, Interfaces

Read Abstract +

Proceedings Article | 10 September 2004 Paper

An all-fiber Pr/Yb-doped up-conversion laser in different laser operation modes

M. Zeller, Hans Limberger, Theo Lasser

Proceedings Volume 5457, (2004) https://doi.org/10.1117/12.554768

KEYWORDS: Output couplers, Fiber lasers, Fiber Bragg gratings, Picosecond phenomena, Reflectors, Modulators, Tunable lasers, Reflectivity, Mode locking, Modes of laser operation

Read Abstract +

SPIE Journal Paper | 1 September 2004 Open Access

Parallel single molecule detection with a fully integrated single-photon 2×2 CMOS detector array

Michael Gösch, Alexandre Serov, Alexis Rochas, Hans Blom, Tiemo Anhut, Pierre-Andre Besse, Radivoje Popovic, Theo Lasser, Rudolf Rigler

JBO, Vol. 9, Issue 05, (September 2004) https://doi.org/10.1117/12.10.1117/1.1781668

KEYWORDS: Molecules, CMOS sensors, Sensors, Fluorescence correlation spectroscopy, Single photon detectors, Diffusion, Avalanche photodetectors, Confocal microscopy, Chemical elements, Diffractive optical elements

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 20 August 2004 Paper

Parallel fluorescence correlation spectroscopy with a fully integrated single photon 2x2 detector array made with conventional CMOS technology

Alexandre Serov, Michael Goesch, Alexis Rochas, Hans Blom, Tiemo Anhut, Pierre-Andre Besse, Radivoje Popovic, Theo Lasser, Rudolf Rigler

Proceedings Volume 5474, (2004) https://doi.org/10.1117/12.578934

KEYWORDS: Fluorescence correlation spectroscopy, Sensors, Molecules, CMOS sensors, Single photon, Diffusion, Diffractive optical elements, Confocal microscopy, Chemical elements, Quantum efficiency

Read Abstract +

Proceedings Article | 29 July 2004 Paper

Subwavelength-resolution fluorescent correlation spectroscopy using a solid immersion lens

Alexandre Serov, Ramachandra Rao, Michael Gosch, Tiemo Anhut, Dietrich Martin, Robert Brunner, Rudolf Rigler, Theo Lasser

Proceedings Volume 5486, (2004) https://doi.org/10.1117/12.572046

KEYWORDS: Molecules, Objectives, Fluorescence correlation spectroscopy, Solids, Microscopes, Diffusion, Confocal microscopy, Spectroscopy, Luminescence, Chemical elements

Read Abstract +

Proceedings Article | 1 July 2004 Paper

Light sources for optical cross-talk suppression in wide-field optical coherence tomography

Boris Karamata, Markus Laubscher, Patrick Lambelet, Tiemo Anhut, Theo Lasser

Proceedings Volume 5316, (2004) https://doi.org/10.1117/12.530337

KEYWORDS: Optical coherence tomography, Light sources, Scattering, Light scattering, Spatial coherence, Sensors, Mirrors, Interferometers, Speckle pattern, Mercury

Read Abstract +

Proceedings Article | 23 September 2003 Paper

Quasi-parallel laser-Doppler perfusion imaging using a CMOS image sensor

Alexander Serov, W. Steenbergen, F. de Mul, T. Lasser

Proceedings Volume 5067, (2003) https://doi.org/10.1117/12.518488

KEYWORDS: Doppler effect, CMOS sensors, Imaging systems, Sensors, Particles, Blood, Tissues, Charge-coupled devices, CCD image sensors, Photography

Read Abstract +

Proceedings Article | 9 July 2003 Paper

Real-time optically sectioned wide-field microscopy employing structured light illumination and a CMOS detector

Jelena Mitic, Tiemo Anhut, Alexandre Serov, Theo Lasser, Stephane Bourquin

Proceedings Volume 4964, (2003) https://doi.org/10.1117/12.478024

KEYWORDS: CMOS sensors, Microscopy, Digital signal processing, Signal processing, Spatial frequencies, Imaging systems, Microscopes, Signal detection, Objectives, Structured light

Read Abstract +

Proceedings Article | 8 July 2003 Paper

Measurement of scattered light Wigner functions by phase space tomography and implications for parallel OCT

Tiemo Anhut, Boris Karamata, Theo Lasser, Michael Raymer, Lutz Wenke

Proceedings Volume 4956, (2003) https://doi.org/10.1117/12.477821

KEYWORDS: Light scattering, Spatial coherence, Optical coherence tomography, Wigner distribution functions, Scattering, Tomography, Optical testing, Scatter measurement, Interferometry, Interferometers

Read Abstract +

Proceedings Article | 30 May 2003 Paper

A look into life sciences: more than a side step from industrial inspection?

Theo Lasser, Tiemo Anhut, Alexandre Serov, Kai Hassler, Ramachandra Rao, Marcel Leutenegger, Adrian von Muehlenen, Rodrigue Chatton, Patrik Hoffmann, Ivo Utke, Radivoje Popovic, Pierre-Andre Besse, Alexis Rochas, Michael Gosch, Rudolf Rigler, Robert Brunner

Proceedings Volume 5144, (2003) https://doi.org/10.1117/12.508363

KEYWORDS: Fluorescence correlation spectroscopy, Molecules, Luminescence, Molecular spectroscopy, Inspection, Fluorescence spectroscopy, Molecular energy transfer, Confocal microscopy, Life sciences, Diffusion

Read Abstract +

Proceedings Article | 14 June 2002 Paper

Video-rate high-resolution parallel optical coherence tomography

Markus Laubscher, Mathieu Ducros, Boris Karamata, Theo Lasser

Proceedings Volume 4619, (2002) https://doi.org/10.1117/12.470470

KEYWORDS: Optical coherence tomography, Signal detection, Microscopes, Femtosecond phenomena, Glasses, Detector arrays, Mirrors, Signal attenuation, Mode locking, Michelson interferometers

Read Abstract +

Proceedings Article | 2 November 2001 Paper

High-resolution parallel optical coherence tomography in scattering samples

M. Laubscher, Mathieu Ducros, Boris Karamata, Stephane Bourquin, Theo Lasser

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447442

KEYWORDS: Optical coherence tomography, Signal to noise ratio, Scattering, Image resolution, Signal detection, Laser scattering, Mirrors, Femtosecond phenomena, Glasses, Reflectivity

Read Abstract +

Proceedings Article | 2 November 2001 Paper

New dispersion compensation technique for Partial Coherence Interferometry (PCI) and Optical Coherence Tomography (OCT)

Adolf Fercher, Christoph Hitzenberger, Markus Sticker, R. Zawadzki, Boris Karamata, Theo Lasser

Proceedings Volume 4431, (2001) https://doi.org/10.1117/12.447427

KEYWORDS: Optical coherence tomography, Interferometers, Dispersion, Ranging, Interferometry, Coherence (optics), Glasses, Mirrors, Fourier transforms, Microscopes

Read Abstract +

Proceedings Article | 14 August 1992 Paper

Photoablation on bovine cornea with a Q-switch Er:YAG laser

Theo Lasser, Karl Ludwig, Alexei Lukashev, M. Heymann

Proceedings Volume 1644, (1992) https://doi.org/10.1117/12.137440

KEYWORDS: Q switching, Tissues, Laser ablation, Er:YAG lasers, Q switched lasers, Cornea, Natural surfaces, Excimer lasers, Laser sources, Laser systems engineering

Read Abstract +