Highly reflective coatings for micromechanical mirror arrays operating in the DUV and VUV spectral range
- Sandner, T.
- Schmidt, J.U.
- Schenk, H.
- Lakner, H.
- Gatto, A.
- Yang, M.
- Kaiser, N.
- Braun, S.
- Foltyn, T.
- Leson, A.
DOIAbstract
High reflecting low-stress optical coatings for the next-generation of micro mechanical mirrors have been developed. The optimized metal systems are applicable from VUV and DUV down to the UV and VIS spectral region and can be integrated in the technology of MOEMS, such as spatial light modulators (SLM) and micro scanning mirrors. This optimized metal designs enable to reconcile high optical performances with adequate mechanical properties and convenient CMOS compatibility. Currently, micro-mirror arrays with enhanced highly reflective coatings for DUV (A. = 193 nm) and VUV ()t 157 nm) exist as prototypes
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