Gold coatings for cube-corner retro-reflectors

Svetlana Dligatch; Mark Gross; Roger P. Netterfield; Nathan Pereira; Benjamin C. Platt; Bijan Nemati

doi:10.1117/12.613286

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19 August 2005 Gold coatings for cube-corner retro-reflectors

Svetlana Dligatch, Mark Gross, Roger P. Netterfield, Nathan Pereira, Benjamin C. Platt, Bijan Nemati

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Proceedings Volume 5870, Advances in Thin-Film Coatings for Optical Applications II; 587007 (2005) https://doi.org/10.1117/12.613286
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The Space Interferometry Mission (SIM) PlanetQuest is managed by the Jet Propulsion Laboratory for the National Aeronautics and Space Administration. SIM requires, among other things, high precision double cube-corner retroreflectors. A test device has recently been fabricated for this project with demanding specifications on the optical surfaces and gold reflective coatings. Several gold deposition techniques were examined to meet the stringent specifications on uniformity, optical properties, micro-roughness and surface quality. We report on a comparative study of optical performance of gold films deposited by resistive and e-beam pvaporation, including measurements of the scattering from the coated surfaces. The effects of oxygen bombardment and titanium under-layer on optical properties and adhesion were evaluated. The influence of surface preparation on the optical properties was examined also.

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Svetlana Dligatch, Mark Gross, Roger P. Netterfield, Nathan Pereira, Benjamin C. Platt, and Bijan Nemati "Gold coatings for cube-corner retro-reflectors", Proc. SPIE 5870, Advances in Thin-Film Coatings for Optical Applications II, 587007 (19 August 2005); https://doi.org/10.1117/12.613286

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