Title

The Statistical Properties Of Laser-Light Scattered By Two Phase Screens

Abstract

The intensity statistics of a laser light passing through a double phase screen are measured and compared with those predicted by the I-K distribution. The phase screens are produced in the laboratory by turbulent mixing of the convective hot air flow above a gas flame and the surrounding cocler air. Measurements are made over actual distances up to 60 feet behind the first phase screen with various separation distances between the two screens. The normalized intensity moments were found to be similar to those occuring in extended turbulence conditions, but here the normalized second moment never exceeded 3. In all cases we found the I-K distribution with parameter α = 3/2 to be an excellent theoretical model. © 1986 SPIE.

Publication Date

11-25-1986

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

642

Number of Pages

282-285

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.975510

Socpus ID

0023030469 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0023030469

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