Broad, Double-Band Antireflection Coatings On Glasses For 1.06Ã‚Âµm And Visible Or Ultraviolet Radiation: Design And Experiment

I. Szafranek; I. Lubezky

doi:10.1117/12.935512

28 November 1983 Broad, Double-Band Antireflection Coatings On Glasses For 1.06Ã‚Âµm And Visible Or Ultraviolet Radiation: Design And Experiment

I. Szafranek, I. Lubezky

Author Affiliations +

Proceedings Volume 0401, Thin Film Technologies I; (1983) https://doi.org/10.1117/12.935512
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland

Abstract

A, method of designing broad, double-band antireflection (AR) coatings on various glasses is presented. The method, based on Fabry-Perot interference filters theory, utilizes the effective interfaces concept. A simple, four-layer system is shown to fulfil reflectance-phase shift conditions, which cause transmittance maxima at λο and near λο. The model was employed to design an AR coating on BK-7 in the visible and at 1064nm. The Herpin equivalent indices were used to transform the basic structure into a six-layer stack com-posed of two materials only. [P such systems, consisting of MgF₂/ZnS and SiO₂/TiO₂ pairs are discussed. The method was extended to design a double-band AR coating on quartz in the UN/ (335-365n0 and at 1064nm. Four-layer systems, composed of Si02/Zr02 or Si0₂/Y20₃/Zr0₂ are described. Experimental results are given to illustrate the potential use of this design method to produce low-loss AR coatings by standard vacuum depo-sition techniques.

Citation Download Citation

I. Szafranek and I. Lubezky "Broad, Double-Band Antireflection Coatings On Glasses For 1.06Ã‚Âµm And Visible Or Ultraviolet Radiation: Design And Experiment", Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); https://doi.org/10.1117/12.935512

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