Quantifying three-dimensional optic axis using polarization-sensitive optical coherence tomography

Chao J. Liu, Adam J. Black, Hui Wang, Taner Akkin

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The optic axis of birefringent samples indicates the direction of optical anisotropy, which should be described in three-dimensional (3-D) space. We present a method to quantify the complete 3-D optic axis orientation calculated from in-plane optic axis measurements from a polarization-sensitive optical coherence tomography system. The in-plane axis orientations with different illumination angles allow the calculation of the necessary polar angle. The method then provides the information to produce the actual birefringence. The method and results from a biological sample are presented.

Original languageEnglish (US)
Article number070501
JournalJournal of biomedical optics
Issue number7
StatePublished - Jul 1 2016

Bibliographical note

Publisher Copyright:
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE).


  • axis measurement
  • optical coherence tomography
  • polarization


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