Wavelength encoded OCT imaging using swept source

Ling Wang; Zhihua Ding; Tong Wu; Kai Wang

doi:10.1117/12.757310

8 January 2008 Wavelength encoded OCT imaging using swept-source

Ling Wang, Zhihua Ding, Tong Wu, Kai Wang

Proceedings Volume 6826, Optics in Health Care and Biomedical Optics III; 68261V (2008) https://doi.org/10.1117/12.757310
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

Wavelength-encoded imaging uses wavelength division multiplexing to produce cross-sectional images without mechanical scanning, and could be of a great interest in endoscope applications. In this paper, a scheme for wavelength-encoded imaging using time-encoded Frequency-domain optical coherence tomography (swept-source optical coherence tomography, SS-OCT) is presented. This approach implements swept broadband source with narrow instantaneous spectral width and low dispersion diffraction grating to simultaneously produce depth-lateral imaging of the sample. Compared to previous spectral-domain wavelength-encoded endoscope, the proposed method enables high-speed and high dynamic range detection. System design such as image resolvable points, imaging resolution as well as theoretical analysis of the interference signal pattern are developed.

Citation Download Citation

Ling Wang, Zhihua Ding, Tong Wu, and Kai Wang "Wavelength encoded OCT imaging using swept-source", Proc. SPIE 6826, Optics in Health Care and Biomedical Optics III, 68261V (8 January 2008); https://doi.org/10.1117/12.757310

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