Holographic recording medium and holographic...

Optical: systems and elements – Holographic system or element – Having particular recording medium

Reexamination Certificate

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C359S003000, C430S001000

Reexamination Certificate

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06856433

ABSTRACT:
A holographic recording medium exhibiting a high recording sensitivity without execution of reduction treatment. A system records information on the holographic recording medium by using a gating light within a wavelength band causing less optical damage to the holographic recording medium. The holographic recording medium includes a single crystal of lithium niobate (LiNbO3) or lithium tantalate (LiTaO3) containing Mn as a dopant.

REFERENCES:
patent: 3933504 (1976-01-01), Phillips et al.
patent: 6373806 (2002-04-01), Kitamura et al.
L.Galambos et al., “Doubly doped stoichiometric annd congruent lithium niobate for holographic data storage”, Journal Crystal Growth, 229, pp. 228-232(2001).*
Journal of Crystal Growth 229 (2001) 228-232 Doubly doped stoichiometric and congruent lithium niobate for holographic data storage.
Photorefractive Materials for Nonvolatile vol. Holographic Data Storage, Science Volume 282, Nov. 6, 1998 Lambertus Hesselink, et al.
Intensity dependence and white-light gating of two-color photorefractive gratings in LiNbO3, Sep. 1, 1997/vol. 22, No. 17/ Optics Letters, H. Guenther, et al.

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