Sensitivity advantage of swept source and Fourier domain optical coherence tomography.

Published

Journal Article

We present theoretical and experimental results which demonstrate the superior sensitivity of swept source (SS) and Fourier domain (FD) optical coherence tomography (OCT) techniques over the conventional time domain (TD) approach. We show that SS- and FD-OCT have equivalent expressions for system signal-to-noise ratio which result in a typical sensitivity advantage of 20-30dB over TD-OCT. Experimental verification is provided using two novel spectral discrimination (SD) OCT systems: a differential fiber-based 800nm FD-OCT system which employs deep-well photodiode arrays, and a differential 1300nm SS-OCT system based on a swept laser with an 87nm tuning range.

Full Text

Duke Authors

Cited Authors

  • Choma, M; Sarunic, M; Yang, C; Izatt, J

Published Date

  • September 2003

Published In

Volume / Issue

  • 11 / 18

Start / End Page

  • 2183 - 2189

PubMed ID

  • 19466106

Pubmed Central ID

  • 19466106

Electronic International Standard Serial Number (EISSN)

  • 1094-4087

International Standard Serial Number (ISSN)

  • 1094-4087

Digital Object Identifier (DOI)

  • 10.1364/oe.11.002183

Language

  • eng