课题基金 / 基金详情

IMAGING OF BIOLOGICAL TISSUES USING HIGH-FREQUENCY INTENSITY-MODULATED LIGHT

IMAGING OF BIOLOGICAL TISSUES USING HIGH-FREQUENCY INTENSITY-MODULATED LIGHT
使用高频强度调制光对生物组织成像
批准号：
3874226
负责人：
J M SCHMITT
金额：
$0.0万
依托单位：
NATIONAL CENTER FOR RESEARCH RESOURCES
依托单位国家：
美国
项目类别：
财政年份：
--
资助国家：
美国
项目状态：
未结题
起止时间：
至
来源：
https://reporter.nih.gov/project-details/3874226
关键词：
biomedical equipment biomedical equipment development digital imaging infrared spectrometry

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项目成果

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相关文献

中文摘要
翻译
在这项研究中，我们正在探索高频成像的应用 扩散波光谱学。组织体模在一个或多个点被照亮 其表面上有来自模式锁定的可见光或近红外光的更多点 激光。通过测量光的相移和调制深度 在其他位置从模体表面重新发射，我们尝试 以推断埋置在体模中的吸收体的位置。初步 结果表明，通过利用光场的相干特性， 均匀介质中扩散波的传播，对 位于地表深处(一或两厘米)的吸波装置可以 改进了。
英文摘要
In this study, we are exploring imaging applications of highfrequency diffusing-wave spectroscopy. A tissue phantom is illuminated at one or more points on its surface with visible or near-IR light from a mode-locked laser. By measuring the phase shift and modulation depth of light re-emitted from the surface of the phantom at other locations, we attempt to deduce the location of absorbers imbedded in the phantom. Preliminary results show that by taking advantage of the coherent properties of the propagation of diffusing waves in a homogeneous medium, sensitivity to absorbers located deep (one or two centimeters) below the surface can be improved.
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IMAGING OF BIOLOGICAL TISSUES USING HIGH-FREQUENCY INTENSITY-MODULATED LIGHT
STUDY OF POLARIZED LIGHT PROPAGATION IN SCATTERING MEDIA
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NON-INVASIVE MEASUREMENT OF ARTERIAL BLOOD HEMATOCRIT