Ultrabroadband (>2000 cm-1) multiplex coherent anti-Stokes Raman scattering spectroscopy using a subnanosecond supercontinuum light source

Masanari Okuno, Hideaki Kano, Philippe Leproux, Vincent Couderc, Hiro O. Hamaguchi

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

We have developed ultrabroadband (>2000 cm-1) multiplex coherent anti-Stokes Raman scattering (CARS) spectroscopy using a subnanosecond (sub-ns) microchip laser source. A photonic crystal fiber specifically designed for sub-ns supercontinuum (SC) generation has been used for obtaining ultrabroadband Stokes radiation, which enables us to achieve simultaneous vibrational excitation in the range from 800 to 3000 cm-1. We have successfully obtained multiplex CARS spectra for several molecular liquids. Since the CARS system using the sub-ns SC is simple and compact, it can be easily applied to ultrabroadband multiplex CARS microspectroscopy.

Original languageEnglish
Pages (from-to)3050-3052
Number of pages3
JournalOptics Letters
Volume32
Issue number20
DOIs
Publication statusPublished - Oct 15 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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