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Proceedings Paper

Wavefront analysis and design through the diffraction of a chirped binary grating--the fast polarization case
Author(s): Yon-Lin Kok
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Paper Abstract

An exact model for chirped binary gratings is introduced together with an analytic solution applicable in the electromagnetic regime. The solution employs a multiple scattering matrix formulation and boundary value problem techniques to determine the scattering coefficients of the diffracted fields, which in turn leads to an iterative algorithm for grating designs. Numerical examples on the design of a binary grating lens operating in the near-field are presented with computer simulations. It shows that under oblique plane wave illumination more than 90 percent of the diffracted power can be focused into a narrow beam of one wavelength in beamwidth over the image plane which is located only 12 wavelengths away from the grating plane.

Paper Details

Date Published: 15 December 1993
PDF: 9 pages
Proc. SPIE 1992, Miniature and Micro-Optics and Micromechanics, (15 December 1993); doi: 10.1117/12.165686
Show Author Affiliations
Yon-Lin Kok, Univ. of South Alabama (United States)


Published in SPIE Proceedings Vol. 1992:
Miniature and Micro-Optics and Micromechanics
Neal C. Gallagher; Chandrasekhar Roychoudhuri, Editor(s)

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