New robust algorithms for ap hase-stepping technique

Cezary Kosinski

doi:10.1117/12.312931

30 June 1998 New robust algorithms for ap hase-stepping technique

Cezary Kosinski

Proceedings Volume 3478, Laser Interferometry IX: Techniques and Analysis; (1998) https://doi.org/10.1117/12.312931
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A new method for derivation of phase-shifting algorithms is presented. The cost function is defined and it is minimized using descending gradient method. The family of algorithms is derived as the result. The properties of the algorithms do not change within the family. Examples of algorithms for constant phase-step as well as for randomly disturbed phase- steps are given and analyzed.

Citation Download Citation

Cezary Kosinski "New robust algorithms for ap hase-stepping technique", Proc. SPIE 3478, Laser Interferometry IX: Techniques and Analysis, (30 June 1998); https://doi.org/10.1117/12.312931

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