Antireflection Coatings Utilizing Multiple Half Waves

Gary W. DeBell

doi:10.1117/12.935511

Abstract

Classical broadband antireflection coatings utilize a single halfwave layer to broaden the spectral bandwidth over which antireflection takes place. A logical extension of this design technique is to use multiple halfwave layers to further broaden and/or flatten the spectral response. The generic category of multiple halfwave antireflection coatings are examined. Examples are presented which include both dispersive and non-dispersive calculations. The spectral response of these designs will be compared to a classical quarter-half-quarter antireflection coating. Design characteristics at non-normal incidence are examined as well as sensitivity to errors in thickness, index, and the effects of film inhomogeneity.

Citation Download Citation

Gary W. DeBell, "Antireflection Coatings Utilizing Multiple Half Waves", Proc. SPIE 0401, Thin Film Technologies I, (28 November 1983); doi: 10.1117/12.935511; https://doi.org/10.1117/12.935511

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