Remote photoacoustic imaging on solid material using a two-wave mixing interferometer

被引：60

作者：

Berer, Thomas ^{[1
,2
]}

Hochreiner, Armin ^{[1
]}

Zamiri, Saeid ^{[1
]}

Burgholzer, Peter ^{[1
,2
]}

机构：

[1] Christian Doppler Lab Photoacoust Imaging & Laser, A-4020 Linz, Austria

[2] Res Ctr Non Destruct Testing GmbH RECENDT, A-4020 Linz, Austria

来源：

OPTICS LETTERS | 2010年 / 35卷 / 24期

基金：

奥地利科学基金会;

关键词：

TOMOGRAPHY; PROJECTION; RESOLUTION;

D O I：

10.1364/OL.35.004151

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on remote and contactless photoacoustic imaging (PAI) for the inspection of solid materials using a two-wave mixing interferometer. In this Letter, a semitransparent sample was excited with picosecond laser pulses. The local absorption of the electromagnetic radiation led to generation of broadband ultrasonic waves inside the sample. Ultrasonic waves arriving at the sample surface were detected utilizing a two-wave mixing interferometer. After data acquisition, the initial pressure distribution was reconstructed using a Fourier space synthetic aperture technique algorithm. We show the potential of PAI for the inspection of semitransparent solid materials. (C) 2010 Optical Society of America

引用

页码：4151 / 4153

页数：3

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