Three-wavelength laser microrefractometer

被引：1

作者：

Kasarova, Stefka N. ^{[1
]}

Sultanova, Nina G. ^{[1
]}

Petrova, Tzveta ^{[2
]}

Dragostinova, Violeta ^{[2
]}

Nikolov, Ivan D. ^{[3
]}

机构：

[1] Univ Assen Zlatarov Bourgas, Dept Math & Phys, 1 Prof Yakimov Str, Burgas 8010, Bulgaria

[2] Bulgarian Acad Sci, Ctr Lab Opt Storage & Proc Informat, BU-1113 Sofia, Bulgaria

[3] Univ Sofia, Fac Phys, Dept Opt & Spectroscopy, BU-1164 Sofia, Bulgaria

来源：

15TH INTERNATIONAL SCHOOL ON QUANTUM ELECTRONICS: LASER PHYSICS AND APPLICATIONS | 2008年 / 7027卷

关键词：

laser microrefractometer; refractive indices; dispersion coefficients; dispersion curves;

D O I：

10.1117/12.822538

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A three-wavelength laser microrefractometer has been assembled and standard liquids have been used for calibration of the experimental set-up. Refractive indices of polymer solutions of Polycarbonate, Polyarylate, Polyester, Nylon, Copolyester A and Copolyesters B are measured. Experimental results of the examined samples are obtained at laser wavelengths of 532 nm, 632.8 nm and 790 nm. A standard uncertainty of +/- 2x10(-4) has been achieved applying gomiometric table with 1-arcmin resolution. Specific refraction of the investigated polymer materials and their solutions are determined. The dispersion coefficients of Sellmeier's and Cauchy's equation are calculated and comparative dispersion curves are illustrated.

引用

页数：6

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