Author:
Nakatani Asuka,Matsumoto Morio,Sakai Goichi,Suzuki Takenobu,Ohishi Yasutake
Abstract
Abstract
We propose a method of merging the minimum deviation and the interferometric method to determine the refractive index dispersions of glasses in a wide range of the mid-infrared region with high accuracy. By the proposed method, the refractive index dispersions of telluride glasses, included in chalcogenide glasses, are successfully determined in the wavelength range from 3 to around 20 μm. The accuracy of the refractive index by the proposed method is no more than 1 × 10−3.
Funder
Japan Society for the Promotion of Science
Subject
General Physics and Astronomy,General Engineering