Dispersion compensation in optical coherence tomography with a prism in a rapid-scanning optical delay line

Meng Tsan Tsai, I. Jen Hsu, Chih Wei Lu, Yih Ming Wang, Chia-Wei Sun, Yean Woei Kiang, C. C. Yang*

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

We demonstrate the theoretical and experimental results of using a single prism in the rapid-scanning optical delay line of an optical coherence tomography (OCT) system for compensating the mismatches of the first- and second-order group delay dispersion (GDD) between the reference and sample arms. The analytical expressions for the first- and second-order GDD are derived based on the typically designed system configuration. Numerical results in varying various parameters are shown. An optimized set of parameters for efficient dispersion compensation in a practical fiber-based OCT system is obtained. The numerical result of the dispersion compensation is demonstrated. Also, the experimental implementation of such a dispersion compensation method is illustrated with the conditions similar to the numerical calculations. The compensation result is quite satisfactory.

Original languageEnglish
Pages (from-to)1199-1212
Number of pages14
JournalOptical and Quantum Electronics
Volume37
Issue number13-15
DOIs
StatePublished - 1 Dec 2005

Keywords

  • Biophotonics
  • Dispersion compensation
  • Optical coherence tomograph
  • Rapid-scanning optical delay line

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