| Numéro |
J. Phys. IV France
Volume 04, Numéro C7, Juillet 1994
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique |
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|---|---|---|
| Page(s) | C7-725 - C7-728 | |
| DOI | https://doi.org/10.1051/jp4:19947170 | |
8th International Topical Meeting on Photoacoustic and Photothermal Phenomena
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-725-C7-728
DOI: 10.1051/jp4:19947170
Institute of Acoustics, Laboratory of Modern Acoustics, Nanjing University, Nanjing 210008, China
© EDP Sciences 1994
8 ITMP3 / 8éme conférence internationale de photoacoustique et photothermique
J. Phys. IV France 04 (1994) C7-725-C7-728
DOI: 10.1051/jp4:19947170
Laser generation and detection of SAW at the surface of PMMA
X. Zhang, C. Gan, D. Fei and S. ZhangInstitute of Acoustics, Laboratory of Modern Acoustics, Nanjing University, Nanjing 210008, China
Abstract
The SAW velocity of PMMA as a function of temperature (25-75°C) and frequency (1.0-8.0MHz) is measured by the laser generation and detection technique. From the temperature dependence of the velocity two turning points are observed, one of which may be related to the β-transition of PMMA.
© EDP Sciences 1994