期刊
OPTICS EXPRESS
卷 13, 期 26, 页码 10652-10664出版社
OPTICAL SOC AMER
DOI: 10.1364/OPEX.13.010652
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A two- and three-dimensional swept source optical coherence tomography (SS-OCT) system, which uses a ready-to-ship scanning light source, is demonstrated. The light source has a center wavelength of 1.31 mu m, -3 dB wavelength range of 110 nm, scanning rate of 20 KHz, and high linearity in frequency scanning. This paper presents a simple calibration method using a fringe analysis technique for spectral rescaling. This SS-OCT system is capable of realtime display of two-dimensional OCT and can obtain three-dimensional OCT with a measurement time of 2 s. In vivo human anterior eye segments are investigated two- and three-dimensionally. The system sensitivity is experimentally determined to be 112 dB. The three-dimensional OCT volumes reveal the structures of the anterior eye segments, which are difficult to observe in two- dimensional OCT images. A two dimensional tomographic movie shows a dynamic motion of a human iris. (c) 2005 Optical Society of America.
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