Microscopic viscosity measurement using orbital rotation in dual-beam fiber-optic trap with transverse offset

Mingrun Pei; Shilong Jin; Xinlin ChenTengfang KuangWei XiongXiang HanGuangzong XiaoHui Luo

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Microscopic viscosity measurement using orbital rotation in dual-beam fiber-optic trap with transverse offset

机译：Microscopic viscosity measurement using orbital rotation in dual-beam fiber-optic trap with transverse offset

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摘要

We presented an optical system that could measure the viscosity coefficient of liquid in a micro-area. The orbital rotation of a polystyrene microsphere was realized by a dual-beam fiber-optic trap with a transverse offset. The rotation rate increased with the viscosity coefficient of the environmental medium. On this basis, the viscosity coefficients of ethanol solutions with different concentrations were measured successfully. The volume of solution samples was less than 1 μL. This provides a basis for the viscosity measurement of rare liquid or enchylema, which is of great significance for biological applications such as cell characteristics and reaction dynamics.

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来源
《Optical Engineering》 |2020年第12期|126106-1-126106-8|共8页
作者
Mingrun Pei; Shilong Jin; Xinlin ChenTengfang KuangWei XiongXiang HanGuangzong XiaoHui Luo;
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作者单位

National University of Defense Technology, College of Advanced Interdisciplinary Studies, Changsha, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
关键词
fiber optics; optical tweezers; optical confinement and manipulation; viscosity coefficient;

Microscopic viscosity measurement using orbital rotation in dual-beam fiber-optic trap with transverse offset

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