• DocumentCode
    2251336
  • Title

    Geiger-mode quad-cell array for adaptive optics

  • Author

    Aull, Brian F. ; Renzi, Matthew J. ; Loomis, Andrew H. ; Young, Douglas J. ; Felton, Bradley J. ; Lind, Thomas A. ; Craig, David M. ; Johnson, Robert L.

  • Author_Institution
    Lincoln Lab., Massachusetts Inst. of Technol., Lexington, MA
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report an array of Shack-Hartmann wavefront sensors using high-fill-factor Geiger-mode avalanche detector quad cells hybridized to all-digital CMOS counting circuits. The absence of readout noise facilitates fast wavefront sensing at low light levels.
  • Keywords
    CMOS digital integrated circuits; adaptive optics; avalanche photodiodes; photodetectors; wavefront sensors; Geiger-mode quad cells; Geiger-mode quad-cell array; Shack-Hartmann sensors; adaptive optics; all-digital CMOS counting circuits; avalanche detector; avalanche photodiodes; high-fill-factor detector; wavefront sensor array; Adaptive arrays; Adaptive optics; Circuit noise; Counting circuits; Detectors; Optical arrays; Optical distortion; Optical noise; Optical sensors; Sensor arrays; (040.1345) Avalanche photodiodes (APDs); (110.1080) Active or adaptive optics;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-55752-859-9
  • Type

    conf

  • Filename
    4572099