Measuring temperature-dependent refractive index coefficient (dn/dT) of the IR Chalcogenide glass in LWIR using a Twyman-Green Interferometer
干涉测量
硫系化合物
折射率
硫系玻璃
材料科学
光学
光电子学
光学玻璃
物理
作者
Robert Y. Chou,Greg R. Schmidt,Duncan T. Moore
标识
DOI:10.1364/freeform.2019.jt5a.15
摘要
The dn/dT of the IR Chalcogenide glass is measured in LWIR by using a Twyman-Green Interferometer. The measured sample is a round disk with parallel optically flat surfaces. The results are provided from -53°C ~32°C.