1. C.E. Hoffmann, Optical constants of infrared active phonons as a function of frequency and temperature, Master of Science Thesis, Johns Hopkins Univ., Baltimore, MD, 1988.
2. M.E. Thomas, C.E. Hoffmann, R.I. Joseph, Temperature Dependent Reflectance Measurements of Selected Oxides, 19th Electromagnetic Windows Symp., Georgia Tech. Research Institute, September 7–9, 1988.
3. Infrared transmission properties of sapphire, spinal, yttrium, and ALON as a function of temperature and frequency;Thomas;Appl. Opt.,1988
4. M.E. Thomas, Temperature dependence of the complex index of refraction, in: E.D. Palik (Ed.), Handbook of Optical Constants of Solids, Chap. 8, Academic Press, New York, 1991.
5. A comprehensive model for the intrinsic transmission properties of optical windows;Thomas;Proc. SPIE,1988