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题名:
Photothermal techniques with a top-hat beam excitation
作者: Li, B
刊名: EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
出版日期: 2008
卷号: 153, 期号:1, 页码:395-400 JAN
学科分类: 光学薄膜技术
文章类型: 期刊论文
中文摘要: A flatly topped circular beam ("top-hat beam") is employed as the excitation beam for photothermal deflection and surface thermal lens techniques. The Fresnel diffraction model is applied to describe the photothermal signals. The theoretical comparison between a Gaussian beam and a top-hat beam excited photothermal signal amplitudes shows that the use of the top-hat beam excitation improves the measurement sensitivity of the photothermal techniques. Experimental results for both photothermal deflection and surface thermal lens are presented. The potential applications of the top-hat beam excited photothermal techniques are highlighted.
收录类别: SCI
语种: 英语
ISSN号: 1951-6355
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/2068
Appears in Collections:薄膜光学技术研究室(十一室)_期刊论文

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Recommended Citation:
Li, B. Photothermal techniques with a top-hat beam excitation[J]. EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS,2008,153(1):395-400 JAN.
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文件名: 2008-187.pdf
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