1. See, for example, “Conference on High Power Infrared Laser Window Materials, 1971”, C.S. Sahagian and C. Pitha, eds. (AFCRL 71-0592), AFCRL, Bedford, MA. 1971; “Conference on High Power Infrared Laser Window Materials, 1972”, C. Pitha, ed. (AFCRL 73-0372), AFCRL, Bedford, MA. 1973; and proceedings of the Conference on Recent Advances in Electronic, Optical and Magnetic Materials, published in J. Elec. Mat.2, Nos. 1 and 2 (1973).
2. “High-Power Infrared-Laser Windows,” NMAB-292 (NAS, Wash, DC, 1972).
3. D.A. Pinnow, in “Laser Handbook,” Vol. 1, F.T. Arecchi and E.D. Schulz-Dubois, eds. (North Holland, Amsterdam, 1972).
4. See Ref. (1) regarding standard calorimetry; interferometry techniques for calorimetric measurements are described by L.H. Skolnik, A. Hordvik, and A. Kahan Appl. Phys. Letters (to be published).
5. D. L. Stierwalt, in “Damage in Laser Materials, 1973,” A.J. Glass and A.H. Guenther, eds. (NBS, Wash, D.C., 1973, in press).