Spectrally adjustable filter

Details Spectrally adjustable filter Spectrally adjustable filter

2011-01-04

2011-01-04

Lavarias, Arnel C (Department: 2872)

Optical: systems and elements

Diffraction

From grating

C359S337210, C385S037000, C398S087000, C398S088000

Reexamination Certificate

active

07864423

ABSTRACT:
Spectrally filtering at least one input beam includes: dispersing spectral components of at least one input beam at respective angles in a spectral plane; changing at least some of the angles of the propagation axes of the dispersed spectral components so that a plurality of the spectral components reflect from a single reflective surface; and tilting the reflective surface to select at least one and fewer than all of the received spectral components to be directed to an output spatial mode.

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