Phase-shifting optical coherence tomography

David G. Fischer; Ben Ovryn

doi:10.1117/12.427878

23 May 2001 Phase-shifting optical coherence tomography

David G. Fischer, Ben Ovryn

Proceedings Volume 4251, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications V; (2001) https://doi.org/10.1117/12.427878
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

We demonstrate the use of phase-shifting interferometry in OCT to determine the optical phase and fringe visibility within the coherence envelope. Phase-shifting algorithms provide both the optical phase and visibility from a series of intensity measurements corresponding to controlled phase shifts. In addition to providing phase information which supplements the visibility or envelope data which is traditionally obtained in OCT, this technique will provide an independent, highly sensitive measurement of the coherence envelope which may be used for a precise determination of the source power spectrum.

Citation Download Citation

David G. Fischer and Ben Ovryn "Phase-shifting optical coherence tomography", Proc. SPIE 4251, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications V, (23 May 2001); https://doi.org/10.1117/12.427878

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