Optical coherence tomography by spatio-temporal joint transform correlator

Yoshiaki Yasuno; Motoki Nakama; Yasunori Sutoh; Nobukazu Yoshikawa; Masahide Itoh; Toyohiko Yatagai; Masahiko Mori

doi:10.1117/12.406378

15 December 2000 Optical coherence tomography by spatio-temporal joint transform correlator

Yoshiaki Yasuno, Motoki Nakama, Yasunori Sutoh, Nobukazu Yoshikawa, Masahide Itoh, Toyohiko Yatagai, Masahiko Mori

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406378
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

Abstract

All optical and one dimensional scanning surface measurement system is constructed. The system uses the principle of spectral interference and optical Fourier transform, or the principle of joint transform correlator. It can determine the three dimensional surface of an object in the accuracy of few 1Om. As a first demonstration, path-length difference of a Michelson interferomter is measured. Next, the surface of an object which has stepped surface is measured.

Citation Download Citation

Yoshiaki Yasuno, Motoki Nakama, Yasunori Sutoh, Nobukazu Yoshikawa, Masahide Itoh, Toyohiko Yatagai, and Masahiko Mori "Optical coherence tomography by spatio-temporal joint transform correlator", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406378

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