TITLE

32 bin near-infrared time-multiplexing detector with attojoule single-shot energy resolution

AUTHOR(S)
Eraerds, Patrick; Pomarico, Enrico; Zhang, Jun; Sanguinetti, Bruno; Thew, Rob; Zbinden, Hugo
PUB. DATE
October 2010
SOURCE
Review of Scientific Instruments;Oct2010, Vol. 81 Issue 10, p103105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We present two implementations of photon counting time-multiplexing detectors for near-infrared wavelengths, based on Peltier cooled InGaAs/InP avalanche photodiodes. A first implementation is motivated by practical considerations using only commercially available components. It features 16 bins, pulse repetition rates of up to 22 kHz, and a large range of applicable pulse widths of up to 100 ns. A second implementation is based on rapid gating detectors, permitting dead times below 10 ns. This allows one to realize a high dynamic-range 32 bin detector, able to process pulse repetition rates of up to 6 MHz for pulse widths of up to 200 ps. Analysis of the detector response at 16.5% detection efficiency reveals a single-shot energy resolution on the attojoule level.
ACCESSION #
54858093

 

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