Gaussian apodization technique in a holographic demultiplexer based on photopolymer

Duc-Dung Do; Jun-Won An; Nam Kim; Kwon-Yeon Lee

doi:10.1117/12.505398

21 October 2003 Gaussian apodization technique in a holographic demultiplexer based on photopolymer

Duc-Dung Do, Jun-Won An, Nam Kim, Kwon-Yeon Lee

Proceedings Volume 5206, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IX; (2003) https://doi.org/10.1117/12.505398
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

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, Jun-Won An, Nam Kim, and 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); https://doi.org/10.1117/12.505398

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KEYWORDS

Demultiplexers

Diffraction gratings

Holography

Apodization

Modulation

Diffraction

Volume holography

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