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Proceedings Paper

Interferometric measurement of the vibrational characteristics of light-weight mirrors
Author(s): James E. Millerd; Mark Schmucker; John B. Hayes; Ron Eng; John Lassiter; H. Philip Stahl; Ted Rogers; James B. Hadaway; Joseph Geary
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Paper Abstract

We present a technique to characterize and quantitatively measure the vibrational mode shapes and amplitudes of mirrors concurrently with surface figure testing. The technique utilizes a fast interferometer that does not introduce any mass loading to the test structure. We present the fundamentals of the technique, discuss sevral modes of operation, such as resonant and transient response, and analyze the operational limits. The performance of the measurement system is characterized using a small ambient test mirror.

Paper Details

Date Published: 22 December 2003
PDF: 9 pages
Proc. SPIE 5180, Optical Manufacturing and Testing V, (22 December 2003); doi: 10.1117/12.506305
Show Author Affiliations
James E. Millerd, 4D Technology Corp. (United States)
Mark Schmucker, 4D Technology Corp. (United States)
John B. Hayes, 4D Technology Corp. (United States)
Ron Eng, NASA Marshall Space Flight Ctr. (United States)
John Lassiter, NASA Marshall Space Flight Ctr. (United States)
H. Philip Stahl, NASA Marshall Space Flight Ctr. (United States)
Ted Rogers, Univ. of Alabama/Huntsville (United States)
James B. Hadaway, Univ. of Alabama/Huntsville (United States)
Joseph Geary, Univ. of Alabama/Huntsville (United States)

Published in SPIE Proceedings Vol. 5180:
Optical Manufacturing and Testing V
H. Philip Stahl, Editor(s)

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