Arbitrary GRIN component fabrication in optically driven diffusive photopolymers | Zendy

Adam C. Urness | Zendy; Kenneth M. Anderson | Zendy; Chungfang Ye | Zendy; William L. Wilson | Zendy; Robert R. McLeod | Zendy

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Arbitrary GRIN component fabrication in optically driven diffusive photopolymers

Author(s) -

Adam C. Urness,

Kenneth M. Anderson,

Chungfang Ye,

William L. Wilson,

Robert R. McLeod

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.000264

Subject(s) - optics , lithography , materials science , refractive index , lens (geology) , gradient index optics , photomask , photopolymer , zernike polynomials , light intensity , optoelectronics , resist , physics , polymer , wavefront , layer (electronics) , composite material , polymerization

We introduce a maskless lithography tool and optically-initiated diffusive photopolymer that enable arbitrary two-dimensional gradient index (GRIN) polymer lens profiles. The lithography tool uses a pulse-width modulated deformable mirror device (DMD) to control the 8-bit gray-scale intensity pattern on the material. The custom polymer responds with a self-developing refractive index profile that is non-linear with optical dose. We show that this nonlinear material response can be corrected with pre-compensation of the intensity pattern to yield high fidelity, optically induced index profiles. The process is demonstrated with quadratic, millimeter aperture GRIN lenses, Zernike polynomials and GRIN Fresnel lenses.

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