Blazed Ion-etched Holographic Gratings
- 1 September 1976
- journal article
- research article
- Published by Taylor & Francis in Optica Acta: International Journal of Optics
- Vol. 23 (9), 701-707
- https://doi.org/10.1080/713819374
Abstract
An ion-etching technique has been successfully applied to the production of blazed holographic plane gratings having various blaze angles ranging from 7 to 26 degrees. Efficiencies of the gratings thus produced were measured in the Littrow configuration as functions of an ion-etching condition, wavelength, and angle of incidence. The maximum efficiency for p -polarized light was found to be more than 64 per cent at about 3250 + for gratings etched at the beam angle of 80 degrees. Experimental results show that ion-etched gratings have the blaze property equivalent to that of holographic gratings made by means of Sheridon's method.Keywords
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