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Proceedings Paper

Broad, Double-Band Antireflection Coatings On Glasses For 1.06µm And Visible Or Ultraviolet Radiation: Design And Experiment
Author(s): I. Szafranek; I. Lubezky
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Paper 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.

Paper Details

Date Published: 28 November 1983
PDF: 9 pages
Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); doi: 10.1117/12.935512
Show Author Affiliations
I. Szafranek, Ministry of Defence (Israel)
I. Lubezky, Ministry of Defence (Israel)


Published in SPIE Proceedings Vol. 0401:
Thin Film Technologies I
J. Roland Jacobsson, Editor(s)

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