Recent developments of laser optical coatings in Hungary

Karpat Ferencz; Robert Szipocs

doi:10.1117/12.145356

1 October 1993 Recent developments of laser optical coatings in Hungary

Karpat Ferencz, Robert Szipocs

Author Affiliations +

Optical Engineering, Vol. 32, Issue 10, (October 1993). https://doi.org/10.1117/12.145356

Abstract

Optical coating suppliers specialized to meet special needs of laser developers often have to face new challenges to help them in building high-performance, high-efficiency lasers. Some aspects of laser optical coating design and manufacturing are discussed. First an unconventional coating deposition technology, termed the reactive electron beam evaporation under reduced oxygen pressure, is reviewed. The technology is applied for the TiO₂/SiO₂ and the Ta₂O₅/SiO₂ material pairs producing optical coatings with low absorption and scattering losses. Then some concrete application problems and their solutions are presented using our technology: high reflectance UV mirrors containing UV-grade HfO₂ layers; high-damage-threshold, visible/near-infrared power optics; mirrors with extended high reflectance bands (all-dielectric broadband reflectors); and elements of a specially designed mirror set for femtosecond pulse Ti:sapphire lasers. The mirror set for the Ti:sapphire laser has been optimized for both phase and amplitude characteristics.

Citation Download Citation

Karpat Ferencz and Robert Szipocs "Recent developments of laser optical coatings in Hungary," Optical Engineering 32(10), (1 October 1993). https://doi.org/10.1117/12.145356

Published: 1 October 1993

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