Spatially addressable design of gradient index structures through spatial light modulator based holographic lithography

  • Ohlinger K
  • Lutkenhaus J
  • Arigong B
 et al. 
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Abstract

In this paper, we present an achievable gradient refractive index in
bi-continuous holographic structures that are formed through five-beam
interference. We further present a theoretic approach for the
realization of gradient index devices by engineering the phases of the
interfering beams with a pixelated spatial light modulator. As an
example, the design concept of a gradient index Luneburg lens is
verified through full-wave electromagnetic simulations. These five beams
with desired phases can be generated through programming gray level
super-cells in a diffractive spatial light modulator. As a
proof-of-concept, gradient index structures are demonstrated using
synthesized and gradient phase patterns displayed in the spatial light
modulator. (C) 2013 AIP Publishing LLC.

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Authors

  • Kris Ohlinger

  • Jeff Lutkenhaus

  • Bayaner Arigong

  • Hualiang Zhang

  • Yuankun Lin

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