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Proceedings Article

Holographic PDLC for photonic applications

[+] Author Affiliations
Lawrence H. Domash

Foster-Miller, Inc. (USA)

Gregory P. Crawford

Brown Univ. (USA)

Allan C. Ashmead, Ronald T. Smith

DigiLens, Inc. (USA)

Milan M. Popovich, John Storey

DigiLens, Ltd. (United Kingdom)

Proc. SPIE 4107, Liquid Crystals IV, 46 (October 24, 2000); doi:10.1117/12.405328
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From Conference Volume 4107

  • Liquid Crystals IV
  • Iam-Choon Khoo
  • San Diego, CA | July 30, 2000

abstract

Holographic polymer-dispersed liquid crystal, a new class of composite electro-optic materials, has rapidly matured as a technology for electronically switchable Bragg gratings. Recent progress in H-PDLC materials science has improved basic understanding of the mechanisms of diffusion, nanodroplet formation, and the morphology underlying switchable holograms, leading to practical improvements in key parameters such as the switching ratio, speed and operating voltage and an ability to optimize formulations for varied device functions such a switchable lenses and switchable waveguide Bragg gratings. Combining lens, filter or holographic optical functions with switchability leads to reduced parts count and simplified designs for projection displays and compact wearable microdisplays. H-PDLC technology is now approaching the performance and stability requirements that will enable photonic applications such as low cost WDM switches for optical networks.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Lawrence H. Domash ; Gregory P. Crawford ; Allan C. Ashmead ; Ronald T. Smith ; Milan M. Popovich, et al.
"Holographic PDLC for photonic applications", Proc. SPIE 4107, Liquid Crystals IV, 46 (October 24, 2000); doi:10.1117/12.405328; http://dx.doi.org/10.1117/12.405328


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