Femtosecond material response probed by phase-stabilized optical heterodyne detected impulsive stimulated Raman scattering

Tahei Tahara, Shigeki Matsuo

Research output: Contribution to journalArticle

Abstract

Femtosecond material response of several liquid samples were measured with use of a newly developed "phase-stabilized" optical heterodyne detected impulsive stimulated Raman scattering (ISRS) spectrometer. In this apparatus, the ISRS signal generated with ordinary transient grating geometry is mixed with femtosecond optical pulses (local oscillator, LO) in an interferometer, and the interfered intensity is detected. The subwavelength-accuracy adjustment/stabilization is achieved for the optical path length in the interferometer so that the relative optical phase between the ISRS signal and LO can be controlled. The ISRS signals linearized to each tensor element of the third-order response function were obtained, and discussed.

Original languageEnglish
Pages (from-to)149-152
Number of pages4
JournalLaser Chemistry
Volume19
Issue number1-4
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Stimulated Raman scattering
Raman spectra
Interferometers
interferometers
oscillators
optical paths
Tensors
Spectrometers
Laser pulses
Stabilization
stabilization
adjusting
gratings
tensors
spectrometers
Geometry
Liquids
liquids
geometry
pulses

Keywords

  • Femtosecond spectroscopy
  • Instrumentation
  • Optical heterodyne detection
  • Raman spectroscopy
  • Time-domain spectroscopy
  • Ultrafast dynamics

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electronic, Optical and Magnetic Materials

Cite this

Femtosecond material response probed by phase-stabilized optical heterodyne detected impulsive stimulated Raman scattering. / Tahara, Tahei; Matsuo, Shigeki.

In: Laser Chemistry, Vol. 19, No. 1-4, 1999, p. 149-152.

Research output: Contribution to journalArticle

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