Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent
1977-08-23
1979-04-10
Mullins, James B.
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
250226, 350356, G01J 120
Patent
active
041490738
ABSTRACT:
A system and method are described for the real-time conversion of a two-cr optical input into coherent light of two colors. The system includes a first electrooptic device oriented to receive the optical input, the device having applied thereto a periodic voltage producing an electrical field periodically varying between magnitudes effective to block one or the other color of the optical input. The system further includes a second electrooptic device oriented to produce coherent light of two colors, this device having applied thereto a second periodic voltage in synchronization with the first-mentioned voltage to produce an electrical field periodically varying between magnitudes effective to block one or the other color of the coherent light source. A gate applies the second periodic voltage to the second electrooptic device only when light of either of the two colors is outputted by the first electrooptic device.
REFERENCES:
patent: 3791717 (1974-02-01), Honda
Bar-Chaim Nadav
Seidman Ady
Wiener-Avnear Eliezer
Barish Benjamin J.
Ben Gurion University of the Negev, Research & Development Autho
Mullins James B.
Ramot University Authority for Applied Research & Industrial Dev
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