Comparison of state-of-the-art methods for defining and specifying damping qualities of optical tables

Maurice Gertel

doi:10.1117/12.188878

4 October 1994 Comparison of state-of-the-art methods for defining and specifying damping qualities of optical tables

Maurice Gertel

Proceedings Volume 2264, Vibration Monitoring and Control; (1994) https://doi.org/10.1117/12.188878
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The relative merits and shortcomings of three current state-of-the-art concepts for defining the damping characteristics of optical tables are presented and discussed. The methods presented are: (1) The traditional method using impulse vibration decay rates which are measured directly; (2) an experience derived comparative standard based on Corner compliance values which are measured by impact tests with a force gage and accelerometer analyzed on a two channel FFT computer, and (3) a recent hypothesis which imputes a table's maximum relative deflection based on Compliance damping data and an idealized analysis of random vibration response.

Citation Download Citation

Maurice Gertel "Comparison of state-of-the-art methods for defining and specifying damping qualities of optical tables", Proc. SPIE 2264, Vibration Monitoring and Control, (4 October 1994); https://doi.org/10.1117/12.188878

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