Aspheric Optics Made By Thin Film Epoxy Replication

Harold Weissman; Michael Snir

doi:10.1117/12.944459

13 July 1988 Aspheric Optics Made By Thin Film Epoxy Replication

Harold Weissman, Michael Snir

Proceedings Volume 0896, Replication and Molding of Optical Components; (1988) https://doi.org/10.1117/12.944459
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Precision aspheric surfaces can be produced by Thin Film Epoxy Replication for operation in the ultra-violet, visible and infrared spectral regions. Accuracies to 1/10 wave at 633 nm are obtained by proper control of the master, replica substrate and replication process. Aspherics with small deviations from the best fit sphere can use spherical substrates; otherwise aspheric substrates must be used. Aspheric mirrors up to 16 inch diameter have been produced to 1/4 wave accuracy. Off axis ellipsoids with deviations from the best fit sphere measured in fractions of an inch have been produced with surface accuracies of 1/4 wave per cm. in production quantities.

Citation Download Citation

Harold Weissman and Michael Snir "Aspheric Optics Made By Thin Film Epoxy Replication", Proc. SPIE 0896, Replication and Molding of Optical Components, (13 July 1988); https://doi.org/10.1117/12.944459

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