Cleaning, Coating And Bidirectional Reflectance Distribution Function (BR DF) Measurements Of A Two-Meter Low-Scatter Mirror

Robert P. Breault; Steven R. Lange; Bill B. Fannin

doi:10.1117/12.958442

5 August 1980 Cleaning, Coating And Bidirectional Reflectance Distribution Function (BR DF) Measurements Of A Two-Meter Low-Scatter Mirror

Robert P. Breault, Steven R. Lange, Bill B. Fannin

Author Affiliations +

Proceedings Volume 0216, Optics in Adverse Environments II; (1980) https://doi.org/10.1117/12.958442
Event: 1980 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

In order to understand how to achieve a low scatter coating on an 82" diameter mirror, three different coatings, several cleaning processes, and four different coating chambers were utilized. Microphotographs documented many phases of the analysis, including some taken with an electron microscope at 15000X. Xray analysis of the surface particulates were also made. The results of the many experiments led to the careful cleaning of the 82" mirror surface before aluminizing the surface. The post-coating cleaning process used compensated for the inevitable degradation in the surface scattering characteristics due to shipping and storage. The desired mirror Bidirectional Reflectance Distribution Function was achieved with all the measured values being below 5x10^-5 sr^-1.

Citation Download Citation

Robert P. Breault, Steven R. Lange, and Bill B. Fannin "Cleaning, Coating And Bidirectional Reflectance Distribution Function (BR DF) Measurements Of A Two-Meter Low-Scatter Mirror", Proc. SPIE 0216, Optics in Adverse Environments II, (5 August 1980); https://doi.org/10.1117/12.958442

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available