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Refractometer with broad refractive index measurement range
Author(s): Jing Wan; Yu Lu; Zhian Lu; Weiqi Dou; Cheng Wang; Guirong Jiang
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Paper Abstract

Here a refractometer with broad refractive index measurement range is proposed. This refractometer uses the measured liquid as a liquid prism and utilizes CCD and a set of computer software based on Borland C++ to measure the refractive index of liquid. The proposed refractometer has a small volume. Meanwhile the structure and working principle of the proposed refractometer are introduced. Now the mainly used refractometer is Abbe refractometer which has a refractive index measurement range of 1.30-170. While the theoretical results of our work indicate the measurement range can be up to 1.00-3.60 when the vertex angle of the liquid prism is 30°, and the experimental results have proved it is viable.

Paper Details

Date Published: 24 July 2018
PDF: 6 pages
Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 1082727 (24 July 2018); doi: 10.1117/12.2500969
Show Author Affiliations
Jing Wan, Nanjing Univ. of Posts and Telecommunications (China)
Yu Lu, Nanjing Univ. of Posts and Telecommunications (China)
Zhian Lu, Nanjing Univ. of Posts and Telecommunications (China)
Weiqi Dou, Nanjing Univ. of Posts and Telecommunications (China)
Cheng Wang, Nanjing Univ. of Posts and Telecommunications (China)
Guirong Jiang, Nanjing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 10827:
Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018)
Yingjie Yu; Chao Zuo; Kemao Qian, Editor(s)

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