A scanning coherent phonon microscope

Y. Fujii; S. Suzuki; K. Otsuka; F. Kannari

A scanning coherent phonon microscope

Y. Fujii, S. Suzuki, K. Otsuka, F. Kannari

Research output: Contribution to conference › Paper › peer-review

Abstract

A microscope of coherent phonon was developed based on the pump-probe reflectance measurement. The optical source was a mode-locked Ti:Sapphire laser operating at a center wavelength of 800 nm. A spot size of 50μm was achieved with an objective lens. The change in reflectivity of a tellurium film was demonstrated. The sample was scanned with a computerized stage and scanned images were obtained for the coherent phonon modes. A clear phonon mode at 3.6 THz was also obtained.

Original language	English
Pages	II186-II187
Publication status	Published - 2001 Dec 1
Event	4th Pacific Rim Conference on Lasers and Electro-Optics - Chiba, Japan Duration: 2001 Jul 15 → 2001 Jul 19

Other

Other	4th Pacific Rim Conference on Lasers and Electro-Optics
Country	Japan
City	Chiba
Period	01/7/15 → 01/7/19

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "A scanning coherent phonon microscope",

abstract = "A microscope of coherent phonon was developed based on the pump-probe reflectance measurement. The optical source was a mode-locked Ti:Sapphire laser operating at a center wavelength of 800 nm. A spot size of 50μm was achieved with an objective lens. The change in reflectivity of a tellurium film was demonstrated. The sample was scanned with a computerized stage and scanned images were obtained for the coherent phonon modes. A clear phonon mode at 3.6 THz was also obtained.",

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AU - Fujii, Y.

AU - Suzuki, S.

AU - Otsuka, K.

AU - Kannari, F.

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N2 - A microscope of coherent phonon was developed based on the pump-probe reflectance measurement. The optical source was a mode-locked Ti:Sapphire laser operating at a center wavelength of 800 nm. A spot size of 50μm was achieved with an objective lens. The change in reflectivity of a tellurium film was demonstrated. The sample was scanned with a computerized stage and scanned images were obtained for the coherent phonon modes. A clear phonon mode at 3.6 THz was also obtained.

AB - A microscope of coherent phonon was developed based on the pump-probe reflectance measurement. The optical source was a mode-locked Ti:Sapphire laser operating at a center wavelength of 800 nm. A spot size of 50μm was achieved with an objective lens. The change in reflectivity of a tellurium film was demonstrated. The sample was scanned with a computerized stage and scanned images were obtained for the coherent phonon modes. A clear phonon mode at 3.6 THz was also obtained.

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