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
收藏
页码：142 / 146
页数：5
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