SINGLE-SHOT UV AUTOCORRELATOR THAT USES A 2-PHOTON-INDUCED PHOTOACOUSTIC SIGNAL IN WATER

被引：6

作者：

NISHIOKA, H

ISHIGURO, M

KAWASUMI, T

UEDA, K

TAKUMA, H

机构：

[1] Institute for Laser Science, University of Electro-communications, Chofu, Tokyo, 182

来源：

OPTICS LETTERS | 1993年 / 18卷 / 01期

关键词：

D O I：

10.1364/OL.18.000045

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A single-shot autocorrelation of an ultrashort UV pulse is measured by detecting a two-photon-induced photoacoustic signal in water. A supersonic wave representing the autocorrelation function is detected by a polyvinylidene fluoride piezoelectric film with a spatial resolution of less than 60 mum. The detection sensitivity is higher than that of a multiphoton-induced fluorescence method by approximately 2 orders of magnitude.

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页码：45 / 47

页数：3

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