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7 October 2014 Arbitrary 2D GRIN lens fabrication in diffusive photopolymers
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We introduce a new method to make gradient index (GRIN) lenses in diffusive photopolymers with nearly arbitrary two-dimensional (2D) profiles. By modulating the 2D intensity pattern and power of the exposure with a deformable mirror device (DMD), the index profile of the GRIN lens can be controlled. Combined with the self-developing nature of the photophotopolymer, rapid on-demand printing of arbitrary micro-optics is enabled. We demonstrate the process by fabricating quadratic GRIN lenses, Zernike polynomials and multi-focal lenses.
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A. C. Urness, Ken Anderson, William L. Wilson, and Robert R. McLeod "Arbitrary 2D GRIN lens fabrication in diffusive photopolymers", Proc. SPIE 9181, Light Manipulating Organic Materials and Devices, 91810G (7 October 2014); doi: 10.1117/12.2064659;

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