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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

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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References

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