Optical recording method, optical reproduction method,...

Details Optical recording method, optical reproduction method,... Optical recording method, optical reproduction method,...

2011-07-05

2011-07-05

Huber, Paul (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S124090

Reexamination Certificate

active

07974171

ABSTRACT:
The present invention provides an optical recording method including: recording information on a recording layer for holographically recording information in an optical recording medium by irradiating the optical recording medium with an information beam and a reference beam, and repetitively recording information on the recording layer while moving at least any one of the information beam and reference beam and the recording layer along the surface of the recording layer, thereby being capable of shift-multiplex recording operations, wherein the optical recording medium is irradiated on a recording pulse basis, the peak intensity of light of the recording pulse is 0.1 mW to 100 mW, the irradiation time is 0.05 nsec to 1×105nsec, and the irradiation of recording pulse is performed 5 times to 1×107times per 1 msec; and also provides an optical recording apparatus and an optical recording medium.

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Hideyoshi Horimai et al., Advanced Collinear Holography, Optical Review, Mar. 1, 2005, pp. 90-92, vol. 12, No. 2, Springer, Berlin, DE.
Extended European Search Report including Supplementary European Search Report for EP 07 71 4644 dated Feb. 10, 2010.

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