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Proceedings Paper

Gold coatings for cube-corner retro-reflectors
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Paper 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.

Paper Details

Date Published: 20 August 2005
PDF: 8 pages
Proc. SPIE 5870, Advances in Thin-Film Coatings for Optical Applications II, 587007 (20 August 2005); doi: 10.1117/12.613286
Show Author Affiliations
Svetlana Dligatch, Commonwealth Scientific and Industrial Research Organisation (Australia)
Mark Gross, Commonwealth Scientific and Industrial Research Organisation (Australia)
Roger P. Netterfield, Commonwealth Scientific and Industrial Research Organisation (Australia)
Nathan Pereira, Commonwealth Scientific and Industrial Research Organisation (Australia)
Benjamin C. Platt, Jet Propulsion Lab. (United States)
Bijan Nemati, Jet Propulsion Lab. (United States)


Published in SPIE Proceedings Vol. 5870:
Advances in Thin-Film Coatings for Optical Applications II
Michael L. Fulton; Jennifer D. T. Kruschwitz, Editor(s)

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