Field diode detection of excess light conditions for spatial...

Details Field diode detection of excess light conditions for spatial... Field diode detection of excess light conditions for spatial...

2006-10-03

2006-10-03

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C250S208400

Reexamination Certificate

active

07116459

ABSTRACT:
An improved SLM that is capable of detecting when light incident on the SLM exceeds a predetermined threshold. A diode is fabricated around, or within the pixel array. Light incident on the array (and the diode) results in a current increase through the diode, which may detected and used to initiate a disable signal to control circuitry of the SLM.

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patent: 5535047 (1996-07-01), Hornbeck
patent: 5561287 (1996-10-01), Turner et al.
patent: 6188427 (2001-02-01), Anderson et al.
patent: 6410903 (2002-06-01), Miyazaki
patent: 6624756 (2003-09-01), Butterworth
patent: 6683290 (2004-01-01), Doherty

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