DYNAMIC LIGHT PATTERN GENERATOR

DYNAMIC LIGHT PATTERN GENERATOR

A dynamic light pattern generator (10) includes a laser light source (12) to emit laser light (20), a mask (13) rotatably supported about an optical axis (12a) of the laser light source (12) and capable of absorbing and transmitting the laser light (20) emitted from the laser light source (12), and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIYAGI, Yukari, YAMAUCHI, Takanori, KOSHIKAWA, Shota, NISHIOKA, Junya, SANO, Hayato
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SEALS
SIGNS
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Beschreibung
Zusammenfassung:A dynamic light pattern generator (10) includes a laser light source (12) to emit laser light (20), a mask (13) rotatably supported about an optical axis (12a) of the laser light source (12) and capable of absorbing and transmitting the laser light (20) emitted from the laser light source (12), and a diffractive optical element (15) including, on a same plane, a plurality of diffractive optical element components (15a, 15) to change a phase of the laser light (20) transmitted through the mask (13) and individually emit diffracted light beams with phase distributions for generating partial light patterns (21, 22) different from each other.