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Proceedings Article

Progress on large-area polarization grating fabrication

[+] Author Affiliations
Matthew N. Miskiewicz, Jihwan Kim, Yanming Li, Ravi K. Komanduri, Michael J. Escuti

North Carolina State Univ. (United States)

Proc. SPIE 8395, Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI, 83950G (June 8, 2012); doi:10.1117/12.921572
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From Conference Volume 8395

  • Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI
  • William E. Thompson; Paul F. McManamon
  • Baltimore, Maryland, USA | April 23, 2012

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.

© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Matthew N. Miskiewicz ; Jihwan Kim ; Yanming Li ; Ravi K. Komanduri and Michael J. Escuti
"Progress on large-area polarization grating fabrication", Proc. SPIE 8395, Acquisition, Tracking, Pointing, and Laser Systems Technologies XXVI, 83950G (June 8, 2012); doi:10.1117/12.921572; http://dx.doi.org/10.1117/12.921572


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