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Proceedings Paper

Progress on large-area polarization grating fabrication
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Paper Abstract

Over the last several years, we have pioneered liquid crystal polarization gratings (PGs), in both switchable and polymer versions. We have also introduced their use in many applications, including mechanical/non-mechanical laser beam steering and polarization imaging/sensing. Until now, conventional holographic congurations were used to create PGs where the diameter of the active area was limited to 1-2 inches. In this paper, we discuss a new holography setup to fabricate large area PGs using spherical waves as the diverging coherent beams. Various design parameters of this setup are examined for impact on the quality of the recorded PG profile. Using this setup, we demonstrate a large area polymer PG with approximately 66 inch square area, and present detailed characterization.

Paper Details

Date Published: 15 May 2012
PDF: 7 pages
Proc. SPIE 8395, Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI, 83950G (15 May 2012); doi: 10.1117/12.921572
Show Author Affiliations
Matthew N. Miskiewicz, North Carolina State Univ. (United States)
Jihwan Kim, North Carolina State Univ. (United States)
Yanming Li, North Carolina State Univ. (United States)
Ravi K. Komanduri, North Carolina State Univ. (United States)
Michael J. Escuti, North Carolina State Univ. (United States)


Published in SPIE Proceedings Vol. 8395:
Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI
William E. Thompson; Paul F. McManamon, Editor(s)

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