Fast-Fourier-domain delay line for in vivo optical coherence tomography with a polygonal scanner.

Published

Journal Article

We demonstrate in vivo optical coherence tomography using a Fourier-domain optical delay line constructed with a commercially available polygonal scanner. The 20-faceted polygonal mirror array, capable of scanning at rates up to 15 kHz, is implemented at 4 kHz to acquire 500 x 500 pixel images at 8 frames/s with a signal-to-noise ratio of 80 dB. Features of this delay line include scalability to high repetition rates, 98.6% linearity in group delay over 2 mm, and bandwidth support exceeding 150 nm. Images are obtained in an animal model (Xenopus laevis), and limitations due to phase-delay nonlinearity and polygon asymmetry are discussed.

Full Text

Cited Authors

  • Oldenburg, AL; Reynolds, JJ; Marks, DL; Boppart, SA

Published Date

  • August 2003

Published In

Volume / Issue

  • 42 / 22

Start / End Page

  • 4606 - 4611

PubMed ID

  • 12916629

Pubmed Central ID

  • 12916629

Electronic International Standard Serial Number (EISSN)

  • 1539-4522

International Standard Serial Number (ISSN)

  • 1559-128X

Digital Object Identifier (DOI)

  • 10.1364/ao.42.004606

Language

  • eng