Dr. Christophe Pache Profile

Dr. Christophe Pache

at CSEM SA

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 12 July 2023 Open Access

Front-window replacement and performance characterization of a commercial digital micro-mirror device for use in the infrared spectrum

G. Borque Gallego, A. Ummel, V. Raimondi, C. Pache, L. Giriens, J.-C. Roulet, D. Guzzi

Proceedings Volume 12777, 127777M (2023) https://doi.org/10.1117/12.2691450

KEYWORDS: Digital micromirror devices, Windows, Micromirrors, Sapphire, Switching, Mid-IR, Indium, Epoxies, Astronomical imaging, Spatial light modulators

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 12 July 2023 Open Access

Super-resolved compressive demonstrator for Earth Observation applications in the Medium Infrared: instrumental concept, optical design and expected performances

Valentina Raimondi, Massimo Baldi, Dirk Berndt, Tiziano Bianchi, Guzmán Borque Gallego, Donato Borrelli, Roberto Carlà, Marco Corti, Peter Dürr, Sara Francés González, Demetrio Labate, Cinzia Lastri, Enrico Magli, Emiliano Marzi, Vanni Nardino, Christophe Pache, Lorenzo Palombi, Giuseppe Pilato, Michael Wagner, Chiara Corti, Francesco Corti, Ulrike Dauderstädt, Andrea Gonnelli, Donatella Guzzi, Nicolas Lamquin, Enrico Suetta, Diego Valsesia

Proceedings Volume 12777, 1277741 (2023) https://doi.org/10.1117/12.2690634

KEYWORDS: Reconstruction algorithms, Image restoration, Image compression, Digital micromirror devices, Equipment, Infrared radiation, Spatial light modulators, Interfaces, Channel projecting optics, Super resolution

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 12 July 2023 Open Access

Towards a spatial light modulator technology for space applications: performance analysis under the environmental conditions

Dirk Berndt, Guzmán Borque Gallego, Donato Borrelli, Peter Dürr, Markus Eckert, Christophe Pache, Enrico Suetta, Hannes Torlee, Antoine Ummel, Sara Francés González, Ulrike Dauderstädt, Jörg Heber, Detlef Kunze, Giuseppe Pilato, Valentina Raimondi, Michael Wagner

Proceedings Volume 12777, 127773U (2023) https://doi.org/10.1117/12.2690567

KEYWORDS: Vacuum chambers, Temperature metrology, Spatial light modulators, Vibration, Mirrors, Micromirrors, Vacuum, Astronomical imaging, Aerospace engineering, Windows

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 12 July 2023 Open Access

Verification of straylight rejection of optical science payloads using a pulsed laser source

Thomas Weigel, Lionel Clermont, Marc Georges, Juliana Abrantes, Dana Tomuta, Micael Miranda, Christophe Pache, Antoine Ummel, Jean-Christophe Roulet, Jannis Holzer, Fabien Droz, Kate Isaak, Dominc Doyle

Proceedings Volume 12777, 127774O (2023) https://doi.org/10.1117/12.2690880

KEYWORDS: Baffles, Mirrors, Picosecond phenomena, Design and modelling, Optical surfaces, Breadboards, Telescopes, Astronomical imaging, Mirror surfaces, Pulsed laser operation

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 20 May 2022 Presentation + Paper

Compressive sensing instrumental concepts for space applications

Massimo Baldi, Dirk Berndt, Tiziano Bianchi, Guzmán Borque Gallego, Donato Borrelli, Chiara Corti, Francesco Corti, Marco Corti, Ulrike Dauderstädt, Peter Dürr, Andrea Gonnelli, Sara Francés González, Donatella Guzzi, Detlef Kunze, Demetrio Labate, Nicolas Lamquin, Cinzia Lastri, Enrico Magli, Emiliano Marzi, Vanni Nardino, Christophe Pache, Lorenzo Palombi, Giuseppe Pilato, Enrico Suetta, Diego Valsesia, Michael Wagner, Valentina Raimondi

Proceedings Volume 12136, 121360B (2022) https://doi.org/10.1117/12.2625305

KEYWORDS: High resolution satellite images, Spatial light modulators, Sensors, Micromirrors, Compressed sensing, Data acquisition, Super resolution, Aerospace engineering, Modulation, Image compression, Infrared radiation

Read Abstract +

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 | 3 March 2010 Paper

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

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

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 +

SPIE Journal Paper | 1 March 2010 Open Access

Digital holographic microscopy real-time monitoring of cytoarchitectural alterations during simulated microgravity

Christophe Pache, Jonas Kühn, Kriss Westphal, Muhammed Fatih Toy, Jérôme Parent, Oralea Buchi, Alfredo Franco-Obregon, Christian Depeursinge, Marcel Egli

JBO, Vol. 15, Issue 02, 026021, (March 2010) https://doi.org/10.1117/12.10.1117/1.3377960

KEYWORDS: Microscopy, Digital holography, Luminescence, Cytoskeletons, Computer simulations, Holography, Proteins, Control systems, Refractive index, Phase measurement

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 24 February 2010 Paper

Dual-mode digital holographic and fluorescence microscopy for the study of morphological changes in cells under simulated microgravity

M. Fatih Toy, Jérôme Parent, Marcel Egli, Christian Depeursinge, Jonas Kühn, Christophe Pache

Proceedings Volume 7570, 75700A (2010) https://doi.org/10.1117/12.842779

KEYWORDS: Microscopy, Luminescence, Microscopes, Digital holography, Holography, Beam splitters, Optical simulations, Computer simulations, Proteins, Optical filters

Read Abstract +

Proceedings Article | 20 February 2010 Paper

Coherent transfer functions and extended depth of field

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

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 | 20 February 2010 Paper

Dark-field optical coherence microscopy

T. Lasser, M. Villiger, C. Pache

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 | 14 July 2009 Paper

In vivo imaging of pancreatic endocrine islets

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

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 | 20 February 2008 Paper

Real-time dual-wavelength digital holographic microscopy for extended measurement range with enhanced axial resolution

Frédéric Montfort, Florian Charrière, Etienne Cuche, Jonas Kühn, Pierre Marquet, Tristan Colomb, Yves Emery, Christophe Pache, Christian Depeursinge

Proceedings Volume 6861, 68610J (2008) https://doi.org/10.1117/12.763291

KEYWORDS: Digital holography, Wavefronts, Holograms, Microscopy, Wave propagation, 3D image reconstruction, Holography, Interferometry, Resolution enhancement technologies, 3D image processing

Read Abstract +

Proceedings Article | 5 March 2007 Paper

Measurement of retinal physiology using functional Fourier domain OCT concepts

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

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 +

Showing 5 of 14 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years