SYMPOSIA PAPER Published: 01 January 1988
STP18746S

Study of Mo, Au, and Ni Implanted Molybdenum Laser Mirrors By Spectroscopic Ellipsometry

Source

The implantation of 150 kev molybdenum ions into polished molybdenum laser mirrors is found to increase the complex dielectric constant in the visible spectrum. Analysis using the Bruggeman effective medium approximation demonstrates that the increase is due to surface smoothing and that the surface is made nearly atomically smooth by a fluence of 5 × 1015/cm2. Implantation of Au at 1Mev caused considerable microscopic roughening, as well as a change in the bulk optical properties. 3 MeV Ni ion implantation caused only a slight surface roughening. A thin dielectric film (probably a hydrocarbon) is found to condense in a laboratory atmosphere, reducing the reflectivity, and is removable by rinsing with methanol and distilled water.

Author Information

Snyder, PG
Bu-Abbud, GH
Reliance Comm/TEC, Advanced Development Lab, Richardson, TX
Oh, J
Woollam, JA
Poker, D
Aspnes, DE
Ingram, D
Pronko, P
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Details
Developed by Committee: F01
Pages: 215–226
DOI: 10.1520/STP18746S
ISBN-EB: 978-0-8031-5031-7
ISBN-13: 978-0-8031-4479-8