Publications related to Infrared photography

Polydimethylsiloxane based soft polymer optical fibers: From the processing-property relationship to pressure sensing applications

Fabien Sorin, Khushdeep Sharma, René M. Rossi

Polydimethylsiloxane (PDMS) based soft polymer optical fibers (POFs) have recently demonstrated their intriguing potential for different sensing applications like strain or temperature sensing. Recent studies have elaborated on the sensing capability of PD ...

2023

Lippmann Photography: Past, Present, and Future

Paolo Prandoni, Arnaud Latty, Adrien Guillaume Olivier Hoffet, Nicoletta Isaac

The purpose of this project was to bring to a wider public an almost forgotten technique for color photography, invented by Gabriel Lippmann in 1892 and rewarded with a Nobel prize in 1908. The project was born out of a longstanding cooperation between EPF ...

2023

Glass-in-glass infiltration for 3D micro-optical composite components

Andreas Mortensen, Yves Bellouard, Jérôme Faist, Gözden Torun, Enrico Casamenti, Luciano Borasi, Mathieu Bertrand

Chalcogenide glass exhibits a wide transmission window in the infrared range, a high refractive index, and nonlinear optical properties; however, due to its poor mechanical properties and low chemical and environmental stability, producing three-dimensiona ...

2022

Resolution and penetration depth of reflection-mode time-domain near infrared optical tomography using a ToF SPAD camera

Edoardo Charbon, Martin Wolf, Jingjing Jiang

In a turbid medium such as biological tissue, near-infrared optical tomography (NIROT) can image the oxygenation, a highly relevant clinical parameter. To be an efficient diagnostic tool, NIROT has to have high spatial resolution and depth sensitivity, fas ...

Optica Publishing Group2022

In vitro and in vivo NIR fluorescence lifetime imaging with a time-gated SPAD camera

Edoardo Charbon, Claudio Bruschini, Arin Can Ülkü

Near-infrared (NIR) fluorescence lifetime imaging (FLI) provides a unique contrast mechanism to monitor biological parameters and molecular events in vivo. Single-photon avalanche diode (SPAD) cameras have been recently demonstrated in FLI microscopy (FLIM ...

Optica Publishing Group2022

Influence of Light Soaking on Silicon Heterojunction Solar Cells With Various Architectures

Christophe Ballif, Bertrand Yves Paul Paviet-Salomon, Laurie-Lou Senaud, Matthieu Despeisse, Mathieu Gérard Boccard, Jan Haschke, Jean Cattin

In this article, we investigate the effect of prolonged light exposure on silicon heterojunction solar cells. We show that, although light exposure systematically improves solar cell efficiency in the case of devices using intrinsic and p-type layers with ...

2021

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Michael Lehning, Marc Schneebeli Zeugin, Dávid Wágner, David Nicholas Wagner

Small-scale surface roughness (on an area of about 0.5 m x 0.5 m) affects remote sensing retrieval algorithms and radiative transfer models, yet data of snow and ice surface roughness over sea ice is scarce. Microwave emissivity, important for satellite re ...

2021

Extreme polarization-dependent supercontinuum generation in an uncladded silicon nitride waveguide

Camille Sophie Brès, Eirini Tagkoudi, Caroline Gaëlle Amiot

We experimentally demonstrate the generation of a short-wave infrared supercontinuum in an uncladded silicon nitride (Si3N4) waveguide with extreme polarization sensitivity at the pumping wavelength of 2.1 µm. The air-clad waveguide is specifically designe ...

2021

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Infrared photography

Silicon CMOS and InGaAs(P)/InP SPADs for NIR/SWIR detection

Polydimethylsiloxane based soft polymer optical fibers: From the processing-property relationship to pressure sensing applications

Lippmann Photography: Past, Present, and Future

A Highly Magnified Gravitationally Lensed Red QSO at z = 2.5 with a Significant Flux Ratio Anomaly

Glass-in-glass infiltration for 3D micro-optical composite components

Resolution and penetration depth of reflection-mode time-domain near infrared optical tomography using a ToF SPAD camera

In vitro and in vivo NIR fluorescence lifetime imaging with a time-gated SPAD camera

Influence of Light Soaking on Silicon Heterojunction Solar Cells With Various Architectures

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Extreme polarization-dependent supercontinuum generation in an uncladded silicon nitride waveguide

Graph Chatbot

Chat with Graph Search

Silicon CMOS and InGaAs(P)/InP SPADs for NIR/SWIR detection

Lippmann Photography: Past, Present, and Future

A Highly Magnified Gravitationally Lensed Red QSO at z = 2.5 with a Significant Flux Ratio Anomaly

In vitro and in vivo NIR fluorescence lifetime imaging with a time-gated SPAD camera

Glass-in-glass infiltration for 3D micro-optical composite components

Evolution and spatial variability of small-scale surface roughness of snow and sea ice during MOSAiC

Resolution and penetration depth of reflection-mode time-domain near infrared optical tomography using a ToF SPAD camera

Polydimethylsiloxane based soft polymer optical fibers: From the processing-property relationship to pressure sensing applications

Influence of Light Soaking on Silicon Heterojunction Solar Cells With Various Architectures

Extreme polarization-dependent supercontinuum generation in an uncladded silicon nitride waveguide