Impulse response function for common-path interferometers

Steen Gruner Hanson; Steven Richard Kitchen; Rene Skov Hansen

doi:10.1117/12.468150

22 May 2002 Impulse response function for common-path interferometers

Steen Gruner Hanson, Steven Richard Kitchen, Rene Skov Hansen

Proceedings Volume 4827, Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2002) https://doi.org/10.1117/12.468150
Event: Fifth International Conference on Vibration Measurements by Laser Techniques, 2002, Ancona, Italy

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

Citation Download Citation

Steen Gruner Hanson, Steven Richard Kitchen, and Rene Skov Hansen "Impulse response function for common-path interferometers", Proc. SPIE 4827, Fifth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2002); https://doi.org/10.1117/12.468150

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