Optical irradiation apparatus with super luminescent diodes

摘要

An optical irradiation apparatus includes: a light-emitting device configured to emit a plurality of light beams whose optical axes extend in a substantially identical direction; a collimator part configured to convert the light beams into parallel light beams; and a light condensing part configured to collect the parallel light beams. The light-emitting device includes a super luminescent diode array in which a plurality of waveguides are provided on a substrate. Each of the waveguides has a light-emitting facet including a light emission point from which an associated one of the light beams is emitted. The light emission points are located in a plane. The plane including the light emission points is orthogonal to a direction of an optical axis of the collimator part.

主权项

1. An optical irradiation apparatus, comprising:
a light-emitting device configured to emit a plurality of light beams whose optical axes extend in a substantially identical direction; and a collimator part configured to collimate the plurality of light beams, wherein: the light-emitting device includes:
a front-end surface;a plurality of super luminescent diodes; anda plurality of waveguides, each of which is provided for a corresponding one of the plurality of super luminescent diodes, each of the plurality of waveguides has a light-emitting facet including a light emission point from which an associated one of the plurality of light beams is emitted, the light-emitting facet is different from the front-end surface, the light emission points are located in a plane orthogonal to a direction of an optical axis of the collimator part, and the plane including the light emission points is inclined to the front-end surface of the light-emitting device.