Reflective grating for optical diffraction, and manufacturing me

Details Reflective grating for optical diffraction, and manufacturing me Reflective grating for optical diffraction, and manufacturing me

1998-02-19

1999-09-07

Henry, Jon

Optical: systems and elements

Diffraction

From grating

359572, 356305, 356308, 356328, 356334, G02B 518, G02B 2742, G01J 324

Patent

active

059495782

ABSTRACT:
A reflective grating for the optical diffraction of light rays comprises k juxtaposed, grooved, plane sub-gratings, the planes of the sub-gratings being offset in terms of height with respect to one another along the normal to the plane of the reflective surface of the grooves, enabling the difference in optical path of the grating to be reduced to the difference in optical path between the two ends of a sub-grating.

REFERENCES:
patent: 4748614 (1988-05-01), Dammann et al.
patent: 5221835 (1993-06-01), Setani
patent: 5223703 (1993-06-01), Setani
patent: 5285254 (1994-02-01), De Sa
patent: 5502707 (1996-03-01), Komma et al.
patent: 5528364 (1996-06-01), Koike

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