High-dynamic-range imaging with photon-counting arrays (Conference Presentation)

We present a comprehensive analysis to guide the use of the nonlinear photon response in photon-counting arrays to extend their optical dynamic range far beyond 1/Tdead, where Tdead is the pixel dead time after photon detection, so as to achieve a high dynamic range of >120 dB. This extension depends on the actual recharge (or reset) mode applied to the photon-counting pixels, where each mode features a different photon response and signal-to-noise ratio. While linearizing the photon response, the signal-to-noise ratio decreases. By limiting the signal-to-noise ratio decrease to maximally -3dB, one can extend the dynamic range by more than 16× for active event-driven recharge.

Présenté à:
Quantum Sensing and Nano Electronics and Photonics XVI, San Francisco, CA, USA, February 2-7, 2019
Mar 08 2019
Paper 10926-32
Lien supplémentaire:

 Notice créée le 2019-08-05, modifiée le 2019-08-07

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