Accession Number : ADA019526

Title :   Thermal Coefficient of Refractive Index of Polycrystalline ZnSe, BaF2 and CaF2 in the Visible and Near Infrared.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING

Personal Author(s) : Mukai,Hiroaki

Report Date : SEP 1975

Pagination or Media Count : 93

Abstract : An interferometric technique has been used to measure the thermal coefficient of the refractive index of polycrystalline ZnSe, BaF2, and CaF2 at the HeNe laser wavelengths, 0.6328, 1.15, and 3.39 micrometers, in the range 25 -65C. The values obtained were calculated using the observed change in optical path and the literature values for refractive index and thermal expansion coefficient.

Descriptors :   *Infrared windows, *Infrared optical materials, *Laser materials, Zinc selenides, Barium compounds, Fluorides, Calcium fluorides, Infrared lasers, Optical properties, Thermal expansion, Refractive index, Interferometry, Near infrared radiation, Thermal stresses, Temperature, Theses

Subject Categories : Lasers and Masers
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE