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Optical Engineering

Application Of Local Reference Beam Holography To The Study Of Laser Beam Parameters
Author(s): C. Roychoudhuri; B. J. Thompson
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Paper Abstract

Local reference beam holography can be used in conjunction with interferometry to determine the complex amplitude distribution in the output of CW and pulsed laser beams. A hologram is recorded of the laser wavefront with a locally generated reference beam from the laser beam to be measured. The wavefront is then reconstructed with a CW laser beam in the usual way. The modulus of the complex amplitude can be measured directly and the phase is measured by interfering the reconstructed wavefront with a uniform phase wavefront. If the laser output is partially coherent the possibility exists of extending this method to determining the mutual intensity function and the complex degree of coherence of the laser wavefront.

Paper Details

Date Published: 1 August 1974
PDF: 7 pages
Opt. Eng. 13(4) 134347 doi: 10.1117/12.7971720
Published in: Optical Engineering Volume 13, Issue 4
Show Author Affiliations
C. Roychoudhuri, University of Rochester (United States)
B. J. Thompson, University of Rochester (United States)

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