Measurement of refractive index variation of liquids by surface plasmon resonance and wavelength-modulated heterodyne interferometry

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题名:	Measurement of refractive index variation of liquids by surface plasmon resonance and wavelength-modulated heterodyne interferometry
作者:	Lee,JY;Tsai,SK
贡献者:	光機電研究所
关键词:	PHASE MEASUREMENT;BIOSENSOR;SENSOR
日期:	2011
上传时间:	2012-03-27 16:27:12 (UTC+8)
出版者:	國立中央大學
摘要:	In this study an alternative method based on surface plasmon resonance is proposed for in-situ monitoring of variation in the refractive index of a test sample A wavelength modulated light source and an unequal-path length optical configuration heterodyne interferometer are used to detect the phase difference change which can then be used to estimate the change in the refractive index of a test sample The experimental results demonstrate a phase stability of 0 02 The resolution power of the refractive Index is 1 5 x 10(-6) RIU This method has several advantages over previously used methods such as simple optical setup easier operation in real time and low cost (C) 2010 Elsevier BV All rights reserved
關聯:	OPTICS COMMUNICATIONS
显示于类别:	[光機電工程研究所 ] 期刊論文

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