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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 24, Iss. 5 — May. 1, 2007
  • pp: 1276–1283

Optics InfoBase > JOSA A > Volume 24 > Issue 5 > Photon signal detection and evaluation in the adaptive optics scanning laser ophthalmoscope

Photon signal detection and evaluation in the adaptive optics scanning laser ophthalmoscope

Yuhua Zhang and Austin Roorda  »View Author Affiliations


JOSA A, Vol. 24, Issue 5, pp. 1276-1283 (2007)
http://dx.doi.org/10.1364/JOSAA.24.001276


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Abstract

To select a suitable photodetector for an adaptive optics scanning laser ophthalmoscope (AOSLO) and evaluate its performance, we characterized the signal and noise properties in the AOSLO photon detection and derived the signal-to-noise ratio (SNR). Using the SNR as the main criterion, we chose the best detector from a selection of four photomultiplier tubes (PMTs) and three avalanche photodiodes (APDs). We conducted a comprehensive evaluation of the performance of the selected detector on our AOSLO. The study presents a practical strategy that can be used to test the photodetector for either initial evaluation or subsequent performance in in-line inspection.

© 2007 Optical Society of America

OCIS Codes
(120.1880) Instrumentation, measurement, and metrology : Detection
(170.5810) Medical optics and biotechnology : Scanning microscopy
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices

ToC Category:
Instrumentation and Techniques for Retinal Imaging

History
Original Manuscript: August 2, 2006
Manuscript Accepted: September 1, 2006
Published: April 11, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Yuhua Zhang and Austin Roorda, "Photon signal detection and evaluation in the adaptive optics scanning laser ophthalmoscope," J. Opt. Soc. Am. A 24, 1276-1283 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-5-1276

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