Grating device with high diffraction efficiency

Details Grating device with high diffraction efficiency Grating device with high diffraction efficiency

2005-10-25

2005-10-25

Dunn, Drew (Department: 2872)

Optical: systems and elements

Diffraction

From grating

C359S571000, C359S572000, C359S576000

Reexamination Certificate

active

06958859

ABSTRACT:
A grating structure with a dielectric coating is disclosed that operates efficiently away from the blaze angle in low order with a high diffraction efficiency and high wavelength dispersion. Such grating structure can be employed in Littrow configuration to provide, for example, cavity feedback in excimer lasers.

REFERENCES:
patent: 2002/0063962 (2002-05-01), Takada
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