Novel design and alignment of wire-grid diffraction gratings on a visible focal plane array

Miller, Darren A.; Wilson, Daniel W.; Dereniak, Eustace L.

doi:doi:10.1117/1.OE.51.1.014001

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Optical Engineering / Volume 51 / Issue 1 / Optical Components, Detectors, and Displays

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Novel design and alignment of wire-grid diffraction gratings on a visible focal plane array

Opt. Eng. 51, 014001 (Feb 06, 2012); http://dx.doi.org/10.1117/1.OE.51.1.014001

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Abstract

References (8)

Citing Articles (2)

Darren A. Miller and Eustace L. Dereniak

University of Arizona, College of Optical Sciences, P.O. Box 210094, 1630 East University Boulevard, Tucson, Arizona 85721

Daniel W. Wilson

Jet Propulsion Laboratory, 4800 Oak Grove Drive, MS 302-231, Pasadena, California 91109-8099

A pixelated, wire-grid diffraction grating is designed, fabricated, aligned, and mounted on an active focal plane array of a camera operating in the visible. The resulting design of the pixelated wire-grid polarizer array eschewed the need for fine translational alignments and drastically reduced cross-talk between pixels detecting differing polarization states. Using common optomechanical elements in conjunction with a novel correlation-based alignment metric, we are able to achieve repeatable angular alignments to better than 0.004 deg between the focal plane array and the pixelated wire-grid polarizer array, both featuring 6.45 μm pixels. An on-chip, four-state, linear snapshot polarimeter is yielded in the detailed processes and raw image data from the instrument are presented.

History

Received Jun 29, 2011
Accepted Nov 18, 2011
Revised Nov 17, 2011
Published online Feb 06, 2012

Digital Object Identifier

http://dx.doi.org/10.1117/1.OE.51.1.014001

Citation

Darren A. Miller, Daniel W. Wilson and Eustace L. Dereniak, "Novel design and alignment of wire-grid diffraction gratings on a visible focal plane array", Opt. Eng. 51, 014001 (Feb 06, 2012); http://dx.doi.org/10.1117/1.OE.51.1.014001