This is a review article describing some of the techniques employed in meeting certain specifications for the fabrication of Antares 18" diameter NaC1 laser windows. Specifically, a pressure test for strength and window stability is described as well as a method for non-contact measurement of wedge angle and wedge direction utilizing a Fizeau 18" interferometer. Also the procedure followed at Harshaw in the mounting of windows is outlined.
V. E. Straughan,
D. J. Krus,
"Meeting Specifications Of Antares NaCl Laser Windows", Proc. SPIE 0270, High Power Lasers and Applications, (15 September 1981); doi: 10.1117/12.931729; https://doi.org/10.1117/12.931729