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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 9 — Mar. 20, 1990
  • pp: 1323–1326

Incoherent frequency modulated cw optical reflectometry with centimeter resolution

Shalini Venkatesh and David W. Dolfi  »View Author Affiliations


Applied Optics, Vol. 29, Issue 9, pp. 1323-1326 (1990)
http://dx.doi.org/10.1364/AO.29.001323


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Abstract

An incoherent, frequency modulated continuous wave optical reflectomer is described which utilizes a broadband LiNbO3 electrooptic modulator and slow photodiode for optical downconversion and detection, and a waveform recorder for digital spectrum analysis of the incoming signal. A two-point resolution of 6.8 cm in fiber is achieved. The dynamic range, defined as the location of the system noise floor relative to the maximum producible signal, is 50-dB optical.

© 1990 Optical Society of America

History
Original Manuscript: July 10, 1989
Published: March 20, 1990

Citation
Shalini Venkatesh and David W. Dolfi, "Incoherent frequency modulated cw optical reflectometry with centimeter resolution," Appl. Opt. 29, 1323-1326 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-9-1323

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