Article: Quadrant photodiode based positioning system.(New Products)

Article: Quadrant Photodiode Positioning System.(New ...
Fiberoptic Product News;  December 1, 2003 ;     301 words ... ... Agoura, CA www.phreshphotonics.com The SiQu50-M is a complete positioning module that combines a Silicon Quadrant Photodiode with amplifiers and position sensing circuitry in a practical 2" x 1.25" housing. It is used to accurately ...

Article: UV enhanced quad positioning.(New Products)
R & D;  March 1, 2004 ;     377 words ...Phresh Photonics has released a complete quadrant photodiode-based positioning system, p/n SiQu9UV-M, that combines a Silicon Quadrant Photodiode with amplifiers and position sensing circuitry ...

Article: Photodiode amplifier hybrid.(Electrical/ Electronics: Sensors & ...
Designfax;  June 1, 2005 ;     356 words ...The SiQu50-TIA small footprint quadrant photodiode amplifier hybrid combines a silicon quadrant photodiode with amplifiers for optimal positioning. The hybrid provides for amplification ([10.sup.4] kW) of each of the quadrant element ...

Article: Photodiode Amplifier Hybrid.(Boards & Modules)
ECN-Electronic Component News;  July 1, 2005 ;     399 words ... ... Photonics has released SiQu50-TIA, a Small Footprint Quadrant Photodiode Amplifier Hybrid. Phresh Photonics' SiQu50-TIA is a positioning module that combines a Silicon Quadrant Photodiode with amplifiers resulting in a complete sensing and ...

Article: Dynamics of Membrane Nanotubulation and DNA Self-Assembly
Biophysical Journal;  August 1, 2004 ;     700+ words ... ... trapped 2 m diameter polystyrene bead is focused onto a quadrant photodiode (SPOT4D; UDT Instruments, Baltimore, MD) to detect ... Roopa and Shivashankar, 2003). The output of the quadrant photodiode amplifier (X-Y Position Indicator Model 431; UDT Instruments ...

Article: PERKINELMER TO EXHIBIT NEW SENSOR SOLUTIONS AT ILOPE 2007 CHINA.
AsiaPulse News;  November 20, 2007 ;     700+ words ... ... at ILOPE 2007 (Booth 8C32/8C34) will include: IR-BLOC - Ambient Light Sensor Family - The world's first silicon photodiode-based ambient light sensors incorporating an IR-blocking feature in a plastic epoxy package. Photodiode and phototransistor ...

Article: Evaluation of a small cadmium zinc telluride detector for ...
The Journal of Nuclear Medicine;  April 1, 2003 ;     700+ words ... ... to be constructed. From a performance perspective, these systems have similar spatial resolution to PSPMT and silicon photodiode- based systems, but significantly better energy resolution. Butler et al. (8) reported an energy resolution of <4 ...