30 August 2006 Efficient local fixing of photorefractive polymer holograms using a laser beam
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Abstract
We propose and demonstrate a novel technique for efficient local fixing of photorefractive polymer hologram using a laser beam. In the new technique, a CO2 laser beam is used to heat the sample and a local hologram can be fixed easily. By using glass and sapphire with particular thickness as the substrates for the photorefractive device, the hologram can be fixed efficiently and at much faster speed. The fixation efficiency can be greater than 80% and the hologram can be fixed in a few seconds. This technique is critical for dynamic holographic 3D display and holographic data storage.
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Guoqiang Li, Guoqiang Li, Peng Wang, Peng Wang, Muhsin Eralp, Muhsin Eralp, Jayan Thomas, Jayan Thomas, R. A. Norwood, R. A. Norwood, Michi Yamamoto, Michi Yamamoto, N. Peyghambarian, N. Peyghambarian, } "Efficient local fixing of photorefractive polymer holograms using a laser beam", Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 631401 (30 August 2006); doi: 10.1117/12.681461; https://doi.org/10.1117/12.681461
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