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Proceedings Paper

Experimental measurements of the optical path difference of a 4-m dual aerocurtain
Author(s): H. A. Klein; Michael M. Malley; Odell L. Sapp; Dean Shough; George W. Sutton; J. H.-Y. Yu
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Paper Abstract

The Gound-Based FEL Technology Integration Experiment's high power laser requires a beam director-dome window to protect the optics from dust accretion and reduce the optical aberrations occurring in the air interface between the dome interior and exterior. One half of the dual aerocurtain designed for this purpose is heated 18 C above ambient temperature, while the other is not heated; this results in the development of two mixing zones, (1) between the heated and unheated halves, and (2) between the latter and the room air. This aerocurtain configuration is shown to reduce the Strehl ratio loss through the window to several percent.

Paper Details

Date Published: 1 May 1990
PDF: 10 pages
Proc. SPIE 1221, Propagation of High-Energy Laser Beams Through the Earth's Atmosphere, (1 May 1990); doi: 10.1117/12.18356
Show Author Affiliations
H. A. Klein, JAYCOR (United States)
Michael M. Malley, JAYCOR (United States)
Odell L. Sapp, Lockheed Missiles & Space Co., Inc. (United States)
Dean Shough, Lockheed Missiles & Space Co., Inc. (United States)
George W. Sutton, JAYCOR (United States)
J. H.-Y. Yu, JAYCOR (United States)


Published in SPIE Proceedings Vol. 1221:
Propagation of High-Energy Laser Beams Through the Earth's Atmosphere
Peter B. Ulrich; LeRoy E. Wilson, Editor(s)

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