HIGH-PRECISION MEASUREMENT FOR REFRACTIVE-INDEX DISTRIBUTION AND DISPERSION USING AN IMPROVED SCANNING TOTAL REFLECTION METHOD

被引：6
|
作者：
HASHIMOTO, T
MATSUZAKI, H
TSUCHIDA, H
YAMAMOTO, K
机构：
[1] T. Morokuma Research Laboratory, Olympus Optical Co. Ltd., Hachioji-shi, Tokyo, 192
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1992年 / 31卷 / 5B期
关键词：
MEASURING; INDEX DISTRIBUTION; DISPERSION; GRIN;
D O I：
10.1143/JJAP.31.1602
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An improved scanning total reflection (STR) method is discussed to accurately measure the refractive index distribution and dispersion of the gradient index optical element. We also describe the measuring apparatus and experimental results. The accuracy of 1 x 10(-4) (rms) was attained in terms of the absolute measurement of refractive indices, and good reproducibility of the index and Abbe number were also confirmed, delta-n=1 x 10(-4) (rms) and delta-nu(d)=0.5 (rms), respectively. A very good agreement is also observed between the result obtained by our method and that by an interference method.
引用
收藏
页码：1602 / 1605
页数：4
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