Low-coherence interferometric detection of photothermal and photoacoustic effects in tissue

被引：2

作者：

Telenkov, SA ^{[1
]}

Dave, DP ^{[1
]}

Milner, TE ^{[1
]}

机构：

[1] Univ Texas, Dept Biomed Engn, Austin, TX 78712 USA

来源：

BIOMEDICAL OPTOACOUSTICS IV | 2003年 / 4960卷

关键词：

low-coherence; photothermal; photoacoustic; interferometer; tissue;

D O I：

10.1117/12.477760

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

We have developed a low-coherence optical sensor for detection of laser-induced thermoelastic deformations in biological materials. The presented optical sensor utilizes a birefringent fiber-based dual-channel low-coherence Michelson interferometer capable of differential phase measurements. We demonstrate that the low-coherence sensor can be used for spatially-resolved measurements of laser-induced thermoelastic deformations in biological materials with high axial resolution. Experimental studies were carried out using gelatin-based tissue phantoms.

引用

页码：142 / 146

页数：5

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