Effects of acoustic noise on optical tools

Michael Gendreau

doi:10.1117/12.363786

28 September 1999 Effects of acoustic noise on optical tools

Michael Gendreau

Proceedings Volume 3786, Optomechanical Engineering and Vibration Control; (1999) https://doi.org/10.1117/12.363786
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Optical tools response to internal vibration that can be excited by the external acoustic environment. The degree to which this occurs depends on many factors, but primarily the correspondence between the resonance characteristics of the tool and the frequency content of the acoustic environment in which it operates. Adverse noise environments, such as those often found in operating laboratories and microelectronics fabrication facilities, can affect the threshold of resolution achievable by the tool. This paper reviews the state of noise specification for optical tools, and the noise levels in typical spaces in which these are intended to operate. Manufacturer's noise specifications often overstates or understates the sensitivity of their tool when the noise sensitivity criterion in oversimplified. More precise and detailed criteria would be useful, for example, in the design of laboratories, or troubleshooting tool operational problems.

Citation Download Citation

Michael Gendreau "Effects of acoustic noise on optical tools", Proc. SPIE 3786, Optomechanical Engineering and Vibration Control, (28 September 1999); https://doi.org/10.1117/12.363786

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