Optical: systems and elements – Holographic system or element – Having particular recording medium
Patent
1992-09-02
1993-12-21
Lerner, Martin
Optical: systems and elements
Holographic system or element
Having particular recording medium
359 15, 359 19, 359 22, 359485, 369103, G02B 530, G02B 532, G03H 118, G03H 126
Patent
active
052725502
ABSTRACT:
A first volume hologram diffracts a portion of the beam of light as a first beam and transmits the remaining portion of the beam of light as a second beam. A second volume hologram diffracts either the first or the second beam to a desired angle and transmits the remaining beam undiffracted. Desired beam separations at desired angles may thereby be achieved for use in optical data storage systems.
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Dickson LeRoy D.
Luecke Francis S.
International Business Machines - Corporation
Lerner Martin
Millett Douglas R.
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