Publications by Pierre-André Besse

Microfabricated solenoids and Helmholtz coils for NMR spectroscopy of mammalian cells

Pierre-André Besse, Radivoje Popovic, Florian Maria Wurm, Martin Jordan, Mathieu Benjamin Stettler, Franck Vincent, Klaus Ehrmann

NMR-microprobes based on solenoids and Helmholtz coils have been microfabricated and NMR-spectra of mammalian cells have successfully been taken. The microfabrication technology developed for these probes consists of three electroplated copper levels for l ...

2007

NMR spectroscopy and perfusion of mammalian cells using surface microprobes

Pierre-André Besse, Radivoje Popovic, Florian Maria Wurm, Mathieu Benjamin Stettler, Jürgen Brugger, Klaus Ehrmann, Kristopher Pataky

NMR spectra of mammalian cells are taken using surface microprobes that are based on microfabricated planar coils. The surface microprobe resembles a miniaturized Petri dish commonly used in biological research. The diameter of the planar coils is 1 mm. Ch ...

2007

Integrated imager circuit comprising a monolithic array of single photon avalanche diodes

Pierre-André Besse, Alexis Rochas, Cristiano Niclass, Edoardo Charbon

Integrated circuit (1) comprising: an array of single photon avalanche diodes (SPADs), a plurality of read-out circuits, each SPADs being coupled to one read-out circuit, wherein at least some of the read-out circuits comprise time-to-digital converters (T ...

2007

A 4µs Integration Time Imager Based on CMOS Single Photon Avalanche Diode Technology

Pierre-André Besse, Radivoje Popovic, Alexis Rochas, Cristiano Niclass, Edoardo Charbon

2006

Identification of luminescent molecules comprises fluorescence correlation spectroscopy

Pierre-André Besse, Radivoje Popovic, Alexis Rochas, Theo Lasser

The invention relates to a method and device for identifying luminescent molecules according to the fluorescence correlation spectroscopy method. The inventive method comprising the following steps: a) preparing a sample (12) containing luminescent molecul ...

2005

Design and characterization of a CMOS 3-D image sensor based on single photon avalanche diodes

Pierre-André Besse, Alexis Rochas, Cristiano Niclass, Edoardo Charbon

The design and characterization of an imaging system is presented for depth information capture of arbitrary three-dimensional (3-D) objects. The core of the system is an array of 32 × 32 rangefinding pixels that independently measure the time-of-flight of ...

2005

Arrays of Single Photon Avalanche Diodes in CMOS Technology: Picosecond Timing Resolution for Range Imaging (INVITED)

Pierre-André Besse, Cristiano Niclass, Edoardo Charbon

A solid-state imager fabricated in CMOS technology is presented for depth information capture of arbitrary 3D objects with millimeter resolution. The system is based on an array of 32x32 pixels that independently measure the time-of-flight of a ray of ligh ...

2005

CMOS imager based on single photon avalanche diodes

Pierre-André Besse, Radivoje Popovic, Alexis Rochas, Cristiano Niclass, Edoardo Charbon

In this paper we report on a 32×32 optical imager based on single photon avalanche diodes integrated in CMOS technology. The maximum measured dynamic range is 120dB and the minimum noise equivalent intensity is 1.3×-3lx. The minimum integration time per pi ...

2005