Photodeflection probing of the explosion of a liquid film in contact with a solid heated by pulsed excimer laser irradiation
作者:
Nhan Do,
Leander Klees,
Andrew C. Tam,
P. T. Leung,
Wing P. Leung,
期刊:
Journal of Applied Physics
(AIP Available online 1993)
卷期:
Volume 74,
issue 3
页码: 1534-1538
ISSN:0021-8979
年代: 1993
DOI:10.1063/1.354853
出版商: AIP
数据来源: AIP
摘要:
The explosion or rapid vaporization of a liquid film on an opaque surface by a pulsed laser is studied experimentally. Using a probe‐beam deflection sensing (PDS) scheme, together with a previously developed transmission monitor, the distortion of the PDS signal due to the generation of shock waves by the exploding liquid is investigated. Various liquids, including alcohols and pure water in contact with substrates such as polyimide, amorphous carbon, and silicon, are studied for a wide range of excimer laser fluences. It is concluded that the present PDS technique is highly sensitive to the explosion threshold.
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