Glancing-angle-deposited magnesium oxide films for high-fluence applications
Journal Article
·
· Optical Materials Express
- Univ. of Rochester, Rochester, NY (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Here, Birefringent magnesium oxide thin films are formed by glancing angle deposition to perform as quarter-wave plates at a wavelength of 351 nm. These films are being developed to fabricate a large aperture distributed-polarization rotator for use in vacuum, with an ultimate laser-damage–threshold goal of up to 12 J/cm2 for a 5-ns flat-in-time pulse. The laser-damage threshold, ease of deposition, and optical film properties are evaluated. While the measured large-area laser-damage threshold is limited to ~4 J/cm2 in vacuum, initial results based on small-spot testing in air (>20 J/cm2) suggest MgO may be suitable with further process development.
- Research Organization:
- Univ. of Rochester, NY (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- NA0001944
- OSTI ID:
- 1264254
- Journal Information:
- Optical Materials Express, Vol. 6, Issue 7; ISSN 2159-3930
- Publisher:
- Optical Society of America (OSA)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 12 works
Citation information provided by
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