Diffractive optical element

Optical: systems and elements – Diffraction – From grating

Reexamination Certificate

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Reexamination Certificate

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07821715

ABSTRACT:
A diffractive optical element10is constituted by sandwiching and closely bonding first and second optical element components13, 14which have different refractive indices and are adhered via a relief pattern20, between third and fourth optical element components11, 12.

REFERENCES:
patent: 5847877 (1998-12-01), Imamura et al.
patent: 2001/0013975 (2001-08-01), Nakai
patent: 2003/0161044 (2003-08-01), Tokoyoda
patent: 2005/0014088 (2005-01-01), Nakamura et al.
patent: 2005/0018299 (2005-01-01), Tokoyoda et al.
patent: 8-160212 (1996-06-01), None
patent: 10-206785 (1998-08-01), None
patent: 2001-4955 (2001-01-01), None
patent: 2003-262713 (2003-09-01), None
patent: 2004-157404 (2004-06-01), None
“Introduction to Diffractive Optical Elements”, edited by The Optical Society of Japan, Japan Society of Applied Physics, First Edition, May 1997, pp. 7-14, 30-35, 117-125, English Translation Only.

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