[White-light source spectral domain OCT based on partial spectrum analysis].
In order to enhance the longitudinal resolution and the signal to noise ratio (SNR) of spectral domain OCT (SDOCT), a SDOCT using white light source was developed. By analyzing the relationship among axial total number of pixels in the horizontal direction of CCD, the spectrum of white-light source and longitudinal resolution, a white-light source SDOCT (WSSDOCT) based on partial spectrum analysis was developed and introduced. With proper white light source required and band width for detection selected, the SNR was improved with maximum detecting depth and high longitudinal resolution guaranteed. Experimental results validate the measurement method for the coherence length of the light source, and system & image longitudinal resolution, and also testify the feasibility of WSSDOCT.
Lin
Ling
L
State Key Laboratory of Precision Measurement Technology and Instruments, Tianjin University, Tianjin 300072, China.
Zhang
Tae-Sok
TS
Zheng
Yu
Y
Li
Gang
G
Ren
Zhao
Z