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Proceedings Paper

Impulse response function for common-path interferometers
Author(s): Steen Gruner Hanson; Steven Richard Kitchen; Rene Skov Hansen
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Paper Abstract

The concept of an impulse response function (IRF) for interferometers - and especially for common-path mterferometers - will be introduced as a tool for depicting fringe appearance in ESPI systems based on the shearing effect-1.The impulse response function relates the measured phase change at an arbitrary position in the detector plane with a displacement in the object plane. Thus the TRY depicts the function of a specific filter placed in the Fourier plane ofthe common-path interferometer. A suite of filters will be introduced to show the specific way in which the filter will control the fringe interpretatio

Paper Details

Date Published: 22 May 2002
PDF: 8 pages
Proc. SPIE 4827, Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2002); doi: 10.1117/12.468150
Show Author Affiliations
Steen Gruner Hanson, Risoe National Lab. (Denmark)
Steven Richard Kitchen, Risoe National Lab. (Denmark)
Rene Skov Hansen, Risoe National Lab. (Denmark)


Published in SPIE Proceedings Vol. 4827:
Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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