Light modulator having variable blaze diffraction grating

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Reexamination Certificate

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Details

C359S291000, C359S292000, C359S571000, C359S572000, C359S573000

Reexamination Certificate

active

11171625

ABSTRACT:
The present invention relates, in general, to a light modulator having a variable blaze diffraction grating and, more particularly, to a light modulator having a variable blaze diffraction grating, in which a diffraction member rotates due to piezoelectric force so as to incline a reflective surface.

REFERENCES:
patent: 5311360 (1994-05-01), Bloom et al.
patent: 6445502 (2002-09-01), Islam et al.
patent: 2005/0243402 (2005-11-01), Yun

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