Integrated reading and writing of a hologram with a rotated...

Details Integrated reading and writing of a hologram with a rotated... Integrated reading and writing of a hologram with a rotated...

2005-10-18

2005-10-18

Juba, Jr., John (Department: 2872)

Optical: systems and elements

Holographic system or element

Having defined page composer

C359S001000, C359S035000, C359S900000

Reexamination Certificate

active

06956681

ABSTRACT:
A method for monitoring diffraction while recording a hologram includes: generating a source beam; generating a data beam by projecting a first component of the source beam through a data source, the data beam having a first polarization; generating a reference beam by adjusting a polarization of a second component of the source beam to provide a second polarization; recording a hologram in a holographic medium from an interference between the data beam and the reference beam; and measuring an offset component in an output arm of the data beam.

REFERENCES:
patent: 3720453 (1973-03-01), Lee et al.
patent: 5896359 (1999-04-01), Stoll
patent: 6418106 (2002-07-01), Stoll
patent: 6512085 (2003-01-01), Minabe et al.
patent: 2002/0114027 (2002-08-01), Horimai
patent: 2000-268380 (2000-09-01), None
J. H. Hong et al., “Diffraction-efficiency of volume holograms written by coupled beams”, Optics Letters, vol. 16, No. 3, Feb. 1, 1991, pp. 180-182.

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