Balanced detection for spectral domain optical coherence tomography.
The use and advantages of applying balanced-detection (BD) operation method to high speed spectral domain optical coherence tomography (SDOCT) are presented in this study, which we believe is the first such demonstration. Compared to conventional SDOCT, BD-SDOCT provides two unique advantages. First, the method can suppress background noise and autocorrelation artifacts in biological tissues. Second, it is a power-efficient method which is particularly helpful for high speed SDOCT to eliminate random intensity noise and to achieve shot noise limited detection. This performance allows in vivo three-dimensional tissue visualization with high imaging quality and high speed.
Institute of Biophotonics, National Yang-Ming University, Taipei 112, Taiwan. wckuo@ym.edu.tw
Wen-Chuan
WC
Kuo
Chih-Ming
CM
Lai
Yi-Shiang
YS
Huang
Cheng-Yi
CY
Chang
Yue-Ming
YM
Kuo