Title:
LIGHT SOURCE UNIT AND OPTICAL HEAD
Document Type and Number:
WIPO Patent Application WO/2022/145098
Kind Code:
A1
Abstract:
This light source unit comprises a plurality of light sources that emit light that is to illuminate an object and a holding part that holds the plurality of light sources and has, formed therein, an insertion hole that an optical fiber for propagating light from the object is inserted into. The holding part holds the plurality of light sources such that the areas illuminated by the light from the plurality of light sources are on one side of the holding part. The insertion hole includes a first opening that faces the illuminated areas and a second opening that is a different opening from the first opening. The insertion hole is formed in the holding part such that when the optical fiber is inserted into the insertion hole, one end surface of the optical fiber is exposed from the first opening and faces the illumination areas and such that when the optical fiber is inserted into the insertion hole, one end part including the one end surface of the optical fiber is positioned between the plurality of light sources with a light blocking member between the one end part and the plurality of light sources.
Inventors:
SUZUKI TOMOFUMI (JP)
IWAZAKI KAZUO (JP)
SUGIMOTO TATSUYA (JP)
SHIBAYAMA KATSUMI (JP)
IWAZAKI KAZUO (JP)
SUGIMOTO TATSUYA (JP)
SHIBAYAMA KATSUMI (JP)
Application Number:
PCT/JP2021/036477
Publication Date:
July 07, 2022
Filing Date:
October 01, 2021
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
G01J3/10; F21V8/00; F21V17/00; G01J3/42; F21Y101/00; F21Y115/10; F21Y115/30
Domestic Patent References:
| WO2011162342A1 | 2011-12-29 | |||
| WO2015190134A1 | 2015-12-17 | |||
| WO2020138091A1 | 2020-07-02 |
Foreign References:
| JP3423304B1 | 2003-07-07 | |||
| JP2015088283A | 2015-05-07 | |||
| JP2001100113A | 2001-04-13 | |||
| JP2018004498A | 2018-01-11 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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