A miniaturized system for measurement of the refractive index of sub-microliter liquid

Minghui Chen; Wenyu Jia; Jintao He; Martial Geiser; Gang Zheng

doi:10.3788/COL201917.041201

Chinese Optics Letters, Volume. 17, Issue 4, 041201(2019)

A miniaturized system for measurement of the refractive index of sub-microliter liquid Editors' Pick

Minghui Chen^1,2, Wenyu Jia¹, Jintao He¹, Martial Geiser³, and Gang Zheng^1、*

¹Institute of Biomedical Optics and Optometry, Shanghai Institute for Minimally Invasive Therapy, University of Shanghai for Science and Technology, Shanghai 200093, China

²Beckman Laser Institute and Center for Biomedical Engineering, University of California, Irvine, CA 92612, USA

³Systems Engineering Institute, University of Applied Sciences Western Switzerland, Sion 1950, Switzerland

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Figures & Tables(4)

Fig. 1. Interference fringes of two Gaussian beams (red, green, blue, and purple lines represent interference fringes when $d (1) = 0$ , $d (2) = 100 μm$ , $d (3) = 250 μm$ , and $d (4) = 756 μm$ , respectively).

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Fig. 2. Double-beam interferometer using a laser diode as its light source.

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Fig. 3. Physical picture of the double-beam interferometer using a laser diode as its light source.

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Fig. 4. Interference patterns of aqueous glucose solutions of different concentrations. (a) Interference pattern of aqueous glucose solutions with a concentration of 100 mg/dL. (b) Interference pattern of aqueous glucose solutions with a concentration of 150 mg/dL. (c) Interference pattern of aqueous glucose solutions with a concentration of 200 mg/dL.

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Minghui Chen, Wenyu Jia, Jintao He, Martial Geiser, Gang Zheng. A miniaturized system for measurement of the refractive index of sub-microliter liquid[J]. Chinese Optics Letters, 2019, 17(4): 041201

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Paper Information

Category: Instrumentation, measurement, and metrology

Received: Oct. 30, 2018

Accepted: Jan. 15, 2019

Published Online: Apr. 3, 2019

The Author Email: Gang Zheng (gangzheng@usst.edu.cn)

DOI:10.3788/COL201917.041201

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology