Configurable diffractive optical element

Optical: systems and elements – Diffraction – From grating

Reexamination Certificate

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Details

C359S572000, C359S569000

Reexamination Certificate

active

07463420

ABSTRACT:
This invention relates to a configurable diffractive optical element comprising an array of diffractive sub-elements having a reflective surface, wherein each sub-element has a controllable position with a chosen range, and in which a number of sub-elements are provided with a reflective grating with a number of chosen spectral characteristics.

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