High-speed spectral domain polarization-sensitive optical coherence tomography using a single camera and an optical switch at 1.3 μm

Sang Won Lee, Hyun Woo Jeong, Beop-Min Kim

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We propose high-speed spectral domain polarization-sensitive optical coherence tomography (SD-PS-OCT) using a single camera and a 1 ×2 optical switch at the 1.3-μm region. The PS-low coherence interferometer used in the system is constructed using free-space optics. The reflected horizontal and vertical polarization light rays are delivered via an optical switch to a single spectrometer by turns. Therefore, our system costs less to build than those that use dual spectrometers, and the processes of timing and triggering are simpler from the viewpoints of both hardware and software. Our SD-PS-OCT has a sensitivity of 101.5dB, an axial resolution of 8.2 μm, and an acquisition speed of 23,496 A-scans per second. We obtain the intensity, phase retardation, and fast axis orientation images of a rat tail tendon ex vivo.

Original languageEnglish
Article number010501
JournalJournal of Biomedical Optics
Volume15
Issue number1
DOIs
Publication statusPublished - 2010 Dec 1

Fingerprint

Optical switches
Optical tomography
Optical Coherence Tomography
Spectrometers
switches
tomography
Cameras
cameras
high speed
Space optics
Polarization
Tendons
polarization
Light polarization
spectrometers
Interferometers
Tail
Rats
tendons
Software

Keywords

  • Medical biological imaging
  • Polarization-sensitive optical coherence tomography
  • Single camera

ASJC Scopus subject areas

  • Biomedical Engineering
  • Biomaterials
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

High-speed spectral domain polarization-sensitive optical coherence tomography using a single camera and an optical switch at 1.3 μm. / Lee, Sang Won; Jeong, Hyun Woo; Kim, Beop-Min.

In: Journal of Biomedical Optics, Vol. 15, No. 1, 010501, 01.12.2010.

Research output: Contribution to journalArticle

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