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René Salathé

Related publications (119)

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X-ray imaging detector for radiological applications adapted to the context and requirements of low- and middle-income countries

Jean-Philippe Thiran, René Salathé, Klaus Benedikt Schönenberger, Jérôme Schmid, Mario Andres Chavarria Varon, Hubert Blanchard, Romain Sahli, Sébastien Emmanuel Blanc, Matthias Hüser

This paper describes the development of a novel medical x-ray imaging system adapted to the needs and constraints of low- and middle-income countries. The developed system is based on an indirect conversion chain: a scintillator plate produces visible ligh ...

2022

Crossed fiber optic Bessel beams for curvilinear optofluidic transport of dielectric particles

René Salathé, Fabrice Merenda, Kyunghwan Oh

Due to its unique non-diffracting and self-reconstructing nature, Bessel beams have been successfully adopted to trap multiple particles along the beam's axial direction. However, prior bulk-optic based Bessel beams have a fundamental form-factor limitatio ...

Optical Soc Amer2013

Individual particle handling in a microfluidic system based on parallel laser trapping

René Salathé, Horst Vogel, Peter Ryser, Michael Werner, Bastien Rachet, Mathieu Grossenbacher

We present an optical trapping system combining individually addressable multiple laser traps with fluorescence spectroscopy. An in-line set of 64 near-IR laser diodes is used to create a line of individually addressable traps inside a microfluidic chip. T ...

Optical Society of America2011

Microfluidic array cytometer based on refractive optical tweezers for parallel trapping, imaging and sorting of individual cells

René Salathé, Horst Vogel, Fabrice Merenda, Joachim Piguet, Michael Werner

Analysis of genetic and functional variability in populations of living cells requires experimental techniques capable of monitoring cellular processes such as cell signaling of many single cells in parallel while offering the possibility to sort interesti ...

Royal Society of Chemistry2011

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Water sorption of 100% changes the POFBG peak wavelength by 8.1 nm (at 1.54 micrometer). The temperature sensitivity depends on water content and is -10, -34, and -138 pm/K in dry, wet, and ambient conditions. ...

2010

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The invention relates to large-field high-resolution microscopy and photolithography setups operating with polychromatic light. It includes the use of a plurality of focusing micromirrors. ...

2010

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The three-dimensional trap stiffness of optical tweezers formed with high-NA micromirrors is investigated by back-focal-plane interferometry and power spectrum analysis. Normalized stiffness values of kappa(xy)/P-trap =1.2(mu N/m)/mW and kappa(z)/P-trap = ...

Optical Society of America2009

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The invention relates to an optical tweezer device including at least one light source (2) and one three-dimensional optical trap (9,10), said optical trap comprising one focusing micro-mirror (7) which is adapted to reflect and focus at least a portion of ...

2009

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Many types of optical tweezers arrays have been proposed and developed for use in conjunction with microfluidics for bio-chemical essays. Trap arrays rely on different methods allowing various degrees of flexibility and relative trapping efficiencies. Amon ...

SPIE2008

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Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2008