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

Tahei Tahara, Shigeki Matsuo

研究成果: Article

抄録

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.

元の言語English
ページ(範囲)149-152
ページ数4
ジャーナルLaser Chemistry
19
発行部数1-4
出版物ステータスPublished - 1999
外部発表Yes

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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

ASJC Scopus subject areas

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

これを引用

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T1 - Femtosecond material response probed by phase-stabilized optical heterodyne detected impulsive stimulated Raman scattering

AU - Tahara, Tahei

AU - Matsuo, Shigeki

PY - 1999

Y1 - 1999

N2 - 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.

AB - 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.

KW - Femtosecond spectroscopy

KW - Instrumentation

KW - Optical heterodyne detection

KW - Raman spectroscopy

KW - Time-domain spectroscopy

KW - Ultrafast dynamics

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JO - Laser Chemistry

JF - Laser Chemistry

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