Single shot, time-resolved measurement of the coherence properties of OCT swept source lasers

  • T. Butler
  • , S. Slepneva
  • , B. O'Shaughnessy
  • , B. Kelleher
  • , D. Goulding
  • , S. P. Hegarty
  • , H. C. Lyu
  • , K. Karnowski
  • , M. Wojtkowski
  • , G. Huyet

Research output: Contribution to journalArticlepeer-review

Abstract

A novel, time-resolved interferometric technique is presented that allows the reconstruction of the complex electric field output of a swept source laser in a single-shot measurement. The power of the technique is demonstrated by examining a short cavity swept source designed for optical coherence tomography (OCT) applications with a spectral width of over 100 nm. The novel analysis allows a time-resolved real-time characterization of the roll-off, optical spectrum, linewidth, and coherence properties of a dynamic, rapidly swept laser source.

Original languageEnglish
Pages (from-to)2277-2280
Number of pages4
JournalOptics Letters
Volume40
Issue number10
DOIs
Publication statusPublished - 2015

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