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Proceedings Paper

Wavelength encoded OCT imaging using swept source
Author(s): Ling Wang; Zhihua Ding; Tong Wu; Kai Wang
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Paper 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.

Paper Details

Date Published: 8 January 2008
PDF: 9 pages
Proc. SPIE 6826, Optics in Health Care and Biomedical Optics III, 68261V (8 January 2008); doi: 10.1117/12.757310
Show Author Affiliations
Ling Wang, Zhejiang Univ. (China)
Zhihua Ding, Zhejiang Univ. (China)
Tong Wu, Zhejiang Univ. (China)
Kai Wang, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 6826:
Optics in Health Care and Biomedical Optics III
Xingde Li; Qingming Luo; Ying Gu, Editor(s)

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