Abstract
In this paper, we present a novel apodization technique using three beams to fabricate an apodized grating in photopolymer. An orthogonal-polarization beam used to control the saturated modulation amplitude of the grating is added during recording time. As a result of the experiment, holographic apodized gratings with uniform, inverse Gaussian, and triangular profiles are fabricated successfully in DuPont's HRF-150-38 photopolymer.
© 2005 Optical Society of Korea
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