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Design of Holographic Recording Conditions with Optical Densities of Thick Azopolymer Films

Published online by Cambridge University Press:  01 February 2011

Shin Yasuda ,
Katsunori Kawano ,
Jiro Minabe ,
Tatsuya Maruyama ,
Kazuhiro Hayashi  and
Yasuhiro Ogasawara
Shin Yasuda
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
Katsunori Kawano
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
Jiro Minabe
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
Tatsuya Maruyama
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
Kazuhiro Hayashi
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
Yasuhiro Ogasawara
Affiliation:
Advanced Research Laboratory, Corporate Research Group, Fuji Xerox Company, Ltd., 430 Sakai, Nakai-machi, Ashigarakami-gun, Kanagawa 259–0157, Japan
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Abstract

We evaluated the relation between the degradation of the Bragg selectivity and the optical densities of the films by use of the shift-multiplexing method with a spherical reference wave. Our recording media were prepared by blending methylazobenzene-containing polymer (MAP) and cyanobiphenyl-containing polymer (CBP). We fabricated four kinds of 250μm-thick films whose optical densities were increased with MAP concentrations that ranged from 10wt% to 70wt%. As a result of the evaluation, the film with a higher optical density degraded the Bragg selectivity more significantly. The degradation of the Bragg selectivity affected the bit error rate (BER). In addition, we obtained a guide to holographic recording conditions for achieving a low BER as to the films with non-negligible optical densities.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 803: Symposia GG/HH – Advanced Characterization Techniques for Data Storage Materials – Phase Change and Nonmagnetic Materials for Data Storage , 2003 , HH6.8
Copyright
Copyright © Materials Research Society 2004

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References

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