Xuan Wang, Zhongliang Li, Nan Nan, Yang Bu, Aijun Zeng, Yan Chen, Liuhua Pan, Yu Lu, Xiangzhao Wang. A Spectral Calibration Method in Optical Coherence Tomography Based on the Interference Signal with a Fixed Optical Path Difference[J]. Chinese Journal of Lasers, 2018, 45(6): 0607005
- Chinese Journal of Lasers
- Vol. 45, Issue 6, 0607005 (2018)
Fig. 1. Flow chart of spectral calibration based on the interference signal with a fixed OPD
Fig. 2. Schematic of SSOCT system
Fig. 3. A-line signals for different OPD values before and after calibration.(a) OPD is 0.5 mm; (b) OPD is 1.0 mm; (c) OPD is 2.0 mm; (d) OPD is 3.0 mm
Fig. 4. A-line calibration results with the source clock and the proposed method for different OPD values. (a) OPD is 0.5 mm; (b) OPD is 1.0 mm; (c) OPD is 2.0 mm; (d) OPD is 3.0 mm
Fig. 5. Comparison of axial resolution with different methods
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