Picosecond ultrasonics time resolved spectroscopy using a photonic crystal fiber

被引：10
作者：
Rossignol, C
Rampnoux, JM
Dehoux, T
Dilhaire, S
Audoin, B
机构：
[1] Univ Bordeaux 1, Mecan Phys Lab, CNRS, UMR 5469, F-33405 Talence, France
[2] Univ Bordeaux 1, Ctr Phys Mol Opt & Hertzienne, CNRS, UMR 5798, F-33405 Talence, France
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2006年 / 77卷 / 03期
关键词：
D O I：
10.1063/1.2173958
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present a time resolved spectroscopy for the picosecond ultrasonics technique. Detection of picosecond coherent phonons using a wavelength continuum generation in a photonic crystal fiber with femtosecond laser pulses is introduced. Measurements are performed on two samples made of tungsten and gallium arsenide for selected wavelengths of probe pulses within a bandwidth of 250 nm with an 825 nm center wavelength. Characteristic changes of the shape of the acoustic signal due to the selection of the probe wavelength are shown. (c) 2006 American Institute of Physics.
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页数：5
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