LIQUID CRYSTAL BASED OPTICAL DEFLECTOR AND OPTICAL SCANNER USING THE SAME

A liquid crystal based optical deflector includes a light source array configured to generate a laser beam, an optical deflector including a plurality of liquid crystal cells, which transmit the laser beam, the optical deflector configured to deflect a transmission path of the laser beam depending o...

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Bibliographische Detailangaben
Hauptverfasser:	Bang, Ju Seong, Kim, Kyong Hon, Kim, Yu Deuk, Lee, Yong Sung
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES BASIC ELECTRIC ELEMENTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES 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 DEVICES USING STIMULATED EMISSION ELECTRICITY FREQUENCY-CHANGING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TESTING
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Beschreibung
Zusammenfassung:	A liquid crystal based optical deflector includes a light source array configured to generate a laser beam, an optical deflector including a plurality of liquid crystal cells, which transmit the laser beam, the optical deflector configured to deflect a transmission path of the laser beam depending on a gradually increased voltage profile applied to the plurality of liquid crystal cells, an optics assembly configured to scan the laser beam deflected by the optical defector in a horizontal direction, and a controller configured to adjust the voltage profile applied to the plurality of liquid crystal cells.