Re: ATM Figuring by Vacuum Deposition

[Anthony Stillman <atmer@flash.net>]

>...figuring ...by vacuum deposition?
>...dimensional change...in figuring?
>...optical tests, and deposit...at virtually the same time?
>Could (high spots) then be polished away...?


Dan,

Yes, on the order of 1um, yes, and yes.

Anthony




Strong and Gaviola, "On the figuring and correcting of mirrors by
controlled deposition of aluminum," J. Opt. Soc. Am.  26,  153-162 (1936)

Shultz, "Prepartion of aspherical refracting optical surfaces by an
evaporation technique," J. Opt. Soc. Am.  38,  432-441 (1948)

Weinstein and Dobrowolski, "Production of aspherical surfaces by vacuum
deposition," Astronomical Optics and Related Subjects 360-364 (1956)

Kurdock and Austin, "Correction of optical elements by the addition of
evaporated films," Phys.Thin Films 10, 261-308 (1978)

Lee, Wan, Jaing, and Chu, "Making aspherical mirrors by thin-film
deposition," Applied Optics 32, 28 5535-5540 (1993)