High-Pass Filtering in Coaxial Holographic Data Storage
スポンサーリンク
概要
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To reduce the loss of the dynamic range $M$/# of medium, we have proposed and demonstrated a high-pass filtering method for coaxial holographic data storage. Total exposure power decreased to 1/2 by removing the DC components of the Fourier-transformed signal and reference beams with a high-pass filter. Our proposed method can reduce the wasted dynamic range of medium. We evaluated the bit error rate of a high-pass-filtered signal beam to be $5.0\times 10^{-4}$ and that of an unfiltered signal beam to be $1.3\times 10^{-3}$. Thus, we confirmed that the quality of the signal beams without the DC component is comparable to that with the DC component. Next, we successfully recorded and reconstructed the filtered signal beam with the coaxial holographic configuration. The bit error rate of the retrieved signal beam was $1.4\times 10^{-3}$, showing the absence of degradation without the DC component of the retrieved signal beam. We also evaluated the shift selectivity improved from 5 to 2 μm by high-pass filtering.
- 2007-06-30
著者
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Furuki Makoto
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Furuki Makoto
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Kawano Katsunori
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Kawano Katsunori
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Minabe Jiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Ogasawara Yasuhiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Yasuda Shin
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Hayashi Kazuhiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Yoshizawa Hisae
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Haga Koichi
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 577 Ushijima, Kaisei, Kanagawa 258-8577, Japan
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Haga Koichi
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Minabe Jiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Yoshizawa Hisae
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Ogasawara Yasuhiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Hayashi Kazuhiro
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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Yasuda Shin
Advanced Technology Research Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., c/o FUJIFILM Advanced Research Laboratories, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
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