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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 15, Iss. 1 — Jan. 1, 1976
  • pp: 93–106

Optical image processing by multiplex coding

C. J. Oliver  »View Author Affiliations


Applied Optics, Vol. 15, Issue 1, pp. 93-106 (1976)
http://dx.doi.org/10.1364/AO.15.000093


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Abstract

Multiplex coding of optical images is discussed for photon-counting operation in both the signal- and dark-count-dominated domains. Both intensity measurement and signal detection are discussed. The advantage of multiplex operation in both situations is demonstrated and comparison made with alternative imaging techniques. The effects of code noise, detector area, response time, and dynamic range are discussed. It is shown that in dark-count-dominated operation, e.g., ir imaging applications, the limiting factor on multiplex gain is the light collection following image coding. Higher bandwidth detection is also required: for instance, a typical ir detector transmitting a 100 × 100 element image with individual element resolution of 25 will need a total dynamic range of 212 and an exponential response time a factor of 2.4 faster than for a single detector.

© 1976 Optical Society of America

History
Original Manuscript: August 19, 1974
Published: January 1, 1976

Citation
C. J. Oliver, "Optical image processing by multiplex coding," Appl. Opt. 15, 93-106 (1976)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-15-1-93

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