Full range complex spectral domain optical coherence tomography based on spatial sinusoidal phase modulation

Kai Wang; Zhihua Ding; Jie Meng; Minghui Chen

doi:10.1117/12.821418

6 March 2009 Full range complex spectral domain optical coherence tomography based on spatial sinusoidal phase modulation

Kai Wang, Zhihua Ding, Jie Meng, Minghui Chen

Author Affiliations +

Proceedings Volume 7280, Seventh International Conference on Photonics and Imaging in Biology and Medicine; 72801X (2009) https://doi.org/10.1117/12.821418
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

A full range complex spectral domain optical coherence tomography system based on spatial sinusoidal phase modulation is presented. The quadrature components of an interferogram are obtained by harmonic detection, and the complex-conjugate ambiguity, DC term and autocorrelation noise are eliminated through Fourier transform of the complex interferogram. A complex-conjugate rejection ratio of about 35 dB is demonstrated. In practical applications, high speed complex-conjugate resolved imaging can be performed by combining sinusoidal phase modulation with transversal scanning.

Citation Download Citation

Kai Wang, Zhihua Ding, Jie Meng, and Minghui Chen "Full range complex spectral domain optical coherence tomography based on spatial sinusoidal phase modulation", Proc. SPIE 7280, Seventh International Conference on Photonics and Imaging in Biology and Medicine, 72801X (6 March 2009); https://doi.org/10.1117/12.821418

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