21 October 2003 Gaussian apodization technique in a holographic demultiplexer based on photopolymer
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In this paper, Gaussian apodization technique applied to a transmission volume hologram for holographic demultiplexer is proposed. The Gaussian apodized grating of 15 mm x 11 mmsize, 38 μm thickness and 3.2 mm horizontal standard deviation of the modulating index profile was fabricated. A 22-channel demultiplexer based on that grating has been optically demonstrated. The channel spacing, the interchannel cross-talk level and the channel uniformity of 0.8 nm, -30 dB and 1.5 dB, respectively, were obtained.
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Duc-Dung Do, Duc-Dung Do, Jun-Won An, Jun-Won An, Nam Kim, Nam Kim, Kwon-Yeon Lee, Kwon-Yeon Lee, } "Gaussian apodization technique in a holographic demultiplexer based on photopolymer", Proc. SPIE 5206, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX, (21 October 2003); doi: 10.1117/12.505398; https://doi.org/10.1117/12.505398

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