In vivo T-scan based polarization sensitive OCT of the optic nerve

摘要

We have constructed a compact set-up based on incoherent detection in two optical channels to provide real time polarization sensitive OCT imaging. The system can display either a pair of two polarization sensitive OCT images, corresponding to linear orthogonal polarization directions or a pair consisting of a polarization insensitive (pure reflectivity) image and a birefringence retardation map. The images are collected by fast en face scanning (T-scan) followed by slower scanning along a orthogonal transverse direction or depth scanning. B-scan and C-scan images from in vivo retina and optic nerve are presented.