Abstract

The high strength-to-weight ratio and thermal diffusivity of beryllium are very attractive to the optical system designer for many critical applications. In order to realize the potential advantages of beryllium, it is necessary to have mirror blanks figured to optical tolerances which are also dimensionally stable over the life of the system. As part of a program to improve the dimensional stability of beryllium, we have cataloged the properties of both Kanigen-coated and bare beryllium mirrors. The results presented in this report indicate the bare beryllium is to be preferred over Kanigen-coated beryllium for precision optical surfaces.

© 1970 Optical Society of America

Thermal Dimensional Instabilities of Beryllium Mirrors

W. R. Goggin and J. W. Moberly
Appl. Opt. 9(12) 2691-2696 (1970)

Scatter from X-ray Reflecting Surfaces

John B. Schroeder and Robert G. Klimasewski
Appl. Opt. 7(10) 1921-1927 (1968)

Preparation of Drawings for Optical Elements and Methods of Testing

David C. Harper
Appl. Opt. 9(3) 527-532 (1970)

Optical Working of Infrared Materials

C. L. Gupta and R. C. Tyagi
Appl. Opt. 9(3) 675-679 (1970)

Laboratory Experiments to Study Surface Contamination and Degradation of Optical Coatings and Materials in Simulated Space Environments

G. Hass and W. R. Hunter
Appl. Opt. 9(9) 2101-2110 (1970)