Dielectric binary blazed gratings

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Title: Dielectric binary blazed gratings
Authors: Haidner, H.
Sheridan, John T.
Streibl, N.
Permanent link: http://hdl.handle.net/10197/3239
Date: 1-Aug-1993
Abstract: Artificial index gratings, which are composed of binary microstructures of sizes less than the incident wavelength, are analyzed as functions of the filling factor or duty cycle of the microstructures. Different models for calculating the optimum duty cycles to produce high blazed diffraction efficiency are compared. Blazed binary grating designs in a material with a refractive index n = 2 show theoretical diffraction efficiencies as high as η = 80%. In the semiconductor material silicon, which has a refractive index n = 3.4, theoretical diffraction efficiencies as high as η = 70% are predicted.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Optical Society of America
Copyright (published version): 1993 Optical Society of America
Subject LCSH: Diffraction gratings
Microstructure
DOI: 10.1364/AO.32.004276
Language: en
Status of Item: Peer reviewed
Appears in Collections:Electrical and Electronic Engineering Research Collection

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