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INSTRUMENTATION FOR COHERENT DETECTION IN TURBID MEDIA

INSTRUMENTATION FOR COHERENT DETECTION IN TURBID MEDIA
浑浊介质中的相干检测仪器
批准号：
6314216
负责人：
CHANGHUEI YANG
金额：
$1.38万
依托单位：
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
依托单位国家：
美国
项目类别：
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-06-01 至 2001-05-31
来源：
https://reporter.nih.gov/project-details/6314216
关键词：
bioengineering /biomedical engineering biomedical resource human tissue lasers technology /technique

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We have conducted experiments using a newly developed setup for studying preservation of coherence in scattering media. This setup uses 150 femtosecond excitation pulses from Argon ion pumped mode locked Ti:sapphire laser system. Light is delivered through a scattering sample composed of polystyrene microspheres and mixed with a slightly tilted (0-20 mrad) reference beam. We were able to find relative contribution in coherent signal from photons that were scattered 1, 2, 3 etc times. This work can be of importance in developing system for imaging sub-surface structures in mucosal tissues.
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