A Dual-Vector Grating Efficiency Model

Nathan L. Evans; Valerie G. Wright

doi:10.1117/12.944833

12 December 1984 A Dual-Vector Grating Efficiency Model

Nathan L. Evans, Valerie G. Wright

Proceedings Volume 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II; (1984) https://doi.org/10.1117/12.944833
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

A scalar grating efficiency model is developed primarily for use with Echelle gratings when the incident beam does not directly illuminate the antiblaze facet. Relative field intensities are calculated as the square of the vector sum of the direct diffraction field from the blaze facet and the reflected diffraction field from the antiblaze facet. Relative grating efficiency is the ratio of the relative intensity in the desired order to the summation of the relative intensities in all possible orders. Calculated efficiencies are compared with measured efficiencies for Echelle gratings.

Citation Download Citation

Nathan L. Evans and Valerie G. Wright "A Dual-Vector Grating Efficiency Model", Proc. SPIE 0503, Application, Theory, and Fabrication of Periodic Structures, DiffractionGratings, and Moire Phenomena II, (12 December 1984); https://doi.org/10.1117/12.944833

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