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22 December 2003 Interferometric measurement of the vibrational characteristics of light-weight mirrors
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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.
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James E. Millerd, Mark Schmucker, John B. Hayes, Ron Eng, John Lassiter, H. Philip Stahl, Ted Rogers, James B. Hadaway, and Joseph Geary "Interferometric measurement of the vibrational characteristics of light-weight mirrors", Proc. SPIE 5180, Optical Manufacturing and Testing V, (22 December 2003);

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