Chemical Aspects Concerning The Replication Of Optical Surfaces With Epoxy Resin

Neumann, W.

doi:10.1117/12.944457

SPIE Proceedings

1988

DOI: 10.1117/12.944457

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Chemical Aspects Concerning The Replication Of Optical Surfaces With Epoxy Resin

W. Neumann

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1991

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High Laser Damage Threshold and Low Cost Sol-Gel Coated Epoxy-Replicated Mirrors

Floch¹,

Berger²,

Novaro³

et al. 1991

Laser-Induced Damage in Optical Materials: 1990

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In a collaborative effort with some french industrial and university laboratories and also in contact with our colleagues from the Lawrence Livermore National Laboratory (LLNL), we have developed at Limeil-Valenton National Laboratory (LVNL) various laser-performant and inexpensive dielectric mirrors made of a resin-replicated substrate and a specific colloidal sol-gel coating. To date, we have obtained 8″ to 12″ diameter molded optical surfaces with a flatness as good as λ/10 peak to valley at 633-nm wavelength with a roughness ranging 10–15 Å RMS. We have been able to acheive coating-reflectivity exceeding 99 % using room temperature spin-coating deposition of alternate silica and alumina quarterwave layers, and conserving the original substrate flatness. Such sol-gel coated replicated mirrors averaged 13.5 J/cm2 in a single shot irradiation mode and 15.1 J/cm2 with a laser-annealing procedure at 1064-nm and with 3-ns pulses. The present cost of such a product is about 4–6 times cheaper than a similar component conventionally e-beam coated.

show abstract

High Laser Damage Threshold and Low Cost Sol-Gel Coated Epoxy-Replicated Mirrors

Floch¹,

Berger²,

Novaro³

et al. 1991

Laser-Induced Damage in Optical Materials: 1990

View full text Add to dashboard Cite

show abstract

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Chemical Aspects Concerning The Replication Of Optical Surfaces With Epoxy Resin

Cited by 1 publication

References 0 publications

High Laser Damage Threshold and Low Cost Sol-Gel Coated Epoxy-Replicated Mirrors

High Laser Damage Threshold and Low Cost Sol-Gel Coated Epoxy-Replicated Mirrors

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