Adaptive optics wavefront sensors based on photon-counting detector arrays

Brian F. Aull, Daniel R. Schuette, Robert K. Reich, Robert L. Johnson, Brent L. Ellerbroek, Michael Hart, Norbert Hubin, Peter L. Wizinowich
2010 Adaptive Optics Systems II  
Adaptive optics wavefront sensors based on photoncounting detector arrays", Proc. SPIE 7736, 773610 (2010). 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,
more » ... hin 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.
doi:10.1117/12.858006 fatcat:3d7bjffvjrhavgfsynrnixjjua