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Scanning ultrafast Sagnac interferometry for imaging two-dimensional surface wave propagation

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Title: Scanning ultrafast Sagnac interferometry for imaging two-dimensional surface wave propagation
Authors: Tachizaki, Takehiro Browse this author
Muroya, Toshihiro Browse this author
Matsuda, Osamu Browse this author →KAKEN DB
Sugawara, Yoshihiro Browse this author
Hurley, David H. Browse this author
Wright, Oliver B. Browse this author
Issue Date: Apr-2006
Publisher: American Institute of Physics
Journal Title: Review of Scientific Instruments
Volume: 77
Issue: 4
Start Page: 043713-1
End Page: 043713-12
Publisher DOI: 10.1063/1.2194518
Abstract: We describe an improved two-dimensional optical scanning technique combined with an ultrafast Sagnac interferometer for delayed-probe imaging of surface wave propagation. We demonstrate the operation of this system, which involves the use of a single focusing objective, by monitoring surface acoustic wave propagation on opaque substrates with picosecond temporal and micron lateral resolutions. An improvement in the lateral resolution by a factor of 3 is achieved in comparison with previous setups for similar samples.
Rights: Copyright © 2006 American Institute of Physics
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松田 理

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