Spectral-domain polarization-sensitive optical coherence tomography at 850 nm

Barry Cense; Teresa C. Chen; Mircea Mujat; Chulmin Joo; Taner Akkin; B. Hyle Park; Mark C. Pierce; Andy Yun; Brett E. Bouma; Guillermo J. Tearney; Johannes F. de Boer

doi:10.1117/12.592840

13 April 2005 Spectral domain polarization-sensitive optical coherence tomography at 850 nm

Barry Cense, Teresa C. Chen, Mircea Mujat, Chulmin Joo, Taner Akkin, B. Hyle Park, Mark C. Pierce, Andy Yun, Brett E. Bouma, Guillermo J. Tearney, Johannes F. de Boer

Author Affiliations +

Proceedings Volume 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX; (2005) https://doi.org/10.1117/12.592840
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

Spectral-Domain Polarization-Sensitive Optical Coherence Tomography (SD-PS-OCT) is a technique developed to measure the thickness and birefringence of the nerve fiber layer in vivo as a tool for the early diagnosis of glaucoma. A clinical SD-PS-OCT system was developed and scans were made around the optic nerve head (ONH) using ten concentric circles of increasing diameter. One healthy volunteer was imaged. Retinal nerve fiber layer thickness and birefringence information was extracted from the data. Polarization-sensitive OCT images were acquired at video rate (29 frames per second (fps), 1000 A-lines / frame) and at 7 fps (1000 A-lines / frame). The last setting improved the signal to noise ratio by approximately 6 dB. Birefringence measurements on the healthy volunteer gave similar results as earlier reported values that were obtained with a time-domain setup. The measurement time was reduced from more than a minute to less than a second.

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Barry Cense, Teresa C. Chen, Mircea Mujat, Chulmin Joo, Taner Akkin, B. Hyle Park, Mark C. Pierce, Andy Yun, Brett E. Bouma, Guillermo J. Tearney, and Johannes F. de Boer "Spectral domain polarization-sensitive optical coherence tomography at 850 nm", Proc. SPIE 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX, (13 April 2005); https://doi.org/10.1117/12.592840

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