OPTICAL SYSTEM AND LASER DEVICE, COLLIMATOR LENS

An optical system (4) includes: a first collimator lens (41) disposed facing the light source array, configured to collimate each light beam in at least a vertical direction (Y), intersecting an arrangement direction (X) of light sources and an optical axis direction (Z) of each light beam, among th...

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Bibliographische Detailangaben
Hauptverfasser:	ICHIHASHI, Kouki, IIYAMA, Tomoko
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An optical system (4) includes: a first collimator lens (41) disposed facing the light source array, configured to collimate each light beam in at least a vertical direction (Y), intersecting an arrangement direction (X) of light sources and an optical axis direction (Z) of each light beam, among the vertical direction and the arrangement direction; an optical element (42) disposed on an emission side of each light beam in the first collimator lens; and a second collimator lens (45) disposed on an emission side of each light beam in the optical element, configured to collimate each light beam at least in the arrangement direction. The first collimator lens (43) includes lens portions arranged in the arrangement direction, the lens portions corresponding to the light sources in the light source array. The lens portions are configured rotationally asymmetrically to have positive power in the vertical direction and have positive power in the arrangement direction.