NDLI: Effects of sample arm motion in endoscopic polarization-sensitive optical coherence tomography.

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Effects of sample arm motion in endoscopic polarization-sensitive optical coherence tomography.

Content Provider	Semantic Scholar
Author	Pierce, Mark C. Shishkov, Milen Park, Boris Hyle Nassif, Nader A. Bouma, Brett E. Tearney, Guillermo J. Boer, Johannes F. De
Copyright Year	2005
Abstract	Motion of the sample arm fiber in optical coherence tomography (OCT) systems can dynamically alter the polarization state of light incident on tissue during imaging, with consequences for both conventional and polarization-sensitive (PS-)OCT. Endoscopic OCT is particularly susceptible to polarization-related effects, since in most cases, the transverse scanning mechanism involves motion of the sample arm optical fiber to create an image. We investigated the effects of a scanning sample arm fiber on the polarization state of light in an OCT system, and demonstrate that by referencing the state backscattered from within a sample to the measured state at the surface, changes in polarization state due to sample fiber motion can be isolated. The technique is demonstrated by high-speed PS-OCT imaging at 1 frame per second, with both linear and rotary scanning fiber-optic probes. Measurements were made on a calibrated wave plate, and endoscopic PS-OCT images of ex-vivo human tissues are also presented, allowing comparison with features in histologic sections.
Starting Page	1261
Ending Page	1271
Page Count	11
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://dare.ubvu.vu.nl/bitstream/handle/1871/21205/227058.pdf?isAllowed=y&sequence=2
Alternate Webpage(s)	http://dare.ubvu.vu.nl/bitstream/handle/1871/21205/227058.pdf;jsessionid=45B7BF7ED59B733BAB46B17719D95573?sequence=2
PubMed reference number	19498576v1
Volume Number	13
Issue Number	15
Journal	Optics express
Language	English
Access Restriction	Open
Subject Keyword	Fiber Optic Cables Optics Tissue fiber Tomography, Optical Coherence tomography
Content Type	Text
Resource Type	Article

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