DIGITAL LIGHT DEFLECTOR

Electro-optic crystal elements and uniaxial birefringent crystals are alternately aligned together and an additional electro-optic crystal element followed by a polarizing plate is further aligned with the last stage birefringent crystal. Each of the electro-optic crystal elements has opposite faces...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SADAO NOMURA, MICHIO SEKIYA, CHIAKI SHIMBO, KIYOO TAKEYASU, HIROOMI KOJIMA
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	Electro-optic crystal elements and uniaxial birefringent crystals are alternately aligned together and an additional electro-optic crystal element followed by a polarizing plate is further aligned with the last stage birefringent crystal. Each of the electro-optic crystal elements has opposite faces provided thereon with transparent electrodes to which a half-wavelength voltage is selectively applied whereby undesired light components are shut off by the polarizing plate to thereby improve S/N (signal to noise) ratio.