Compensation of coherence effects in an optical spectrum analyzer

P. L. Ransom, C. S. Gardner, W. J. Atkins

Research output: Contribution to journalArticlepeer-review

Abstract

An optical technique is described which is capable of compensating the effects of imperfect spatial coherent illumination on the performance of a modified Mach-Zehnder spectrum analyzer. Methods for experimentally determining the complex mutual coherence function of the illumination using the analyzer are also described. The addition to the system of a calibrated phase shifter controlled by a minicomputer is proposed, which permits the spectral amplitude and phase to be determined automatically in real time.

Original languageEnglish (US)
Pages (from-to)1951-1954
Number of pages4
JournalApplied Optics
Volume20
Issue number11
DOIs
StatePublished - Jun 1981

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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