Adaptive optics wavefront sensors based on photon-counting detector arrays

Brian F. Aull; Daniel R. Schuette; Robert K. Reich; Robert L. Johnson

doi:10.1117/12.858006

28 July 2010 Adaptive optics wavefront sensors based on photon-counting detector arrays

Brian F. Aull, Daniel R. Schuette, Robert K. Reich, Robert L. Johnson

Proceedings Volume 7736, Adaptive Optics Systems II; 773610 (2010) https://doi.org/10.1117/12.858006
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

For adaptive optics systems, there is a growing demand for wavefront sensors that operate at higher frame rates and with more pixels while maintaining low readout noise. Lincoln Laboratory has been investigating Geiger-mode avalanche photodiode arrays integrated with CMOS readout circuits as a potential solution. This type of sensor counts photons digitally within the pixel, enabling data to be read out at high rates without the penalty of readout noise. After a brief overview of adaptive optics sensor development at Lincoln Laboratory, we will present the status of silicon Geigermode- APD technology along with future plans to improve performance.

Citation Download Citation

Brian F. Aull, Daniel R. Schuette, Robert K. Reich, and Robert L. Johnson "Adaptive optics wavefront sensors based on photon-counting detector arrays", Proc. SPIE 7736, Adaptive Optics Systems II, 773610 (28 July 2010); https://doi.org/10.1117/12.858006

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