Title:
OPTICAL FIBER END FACE OBSERVING DEVICE, AND OPTICAL FIBER END FACE OBSERVING METHOD
Document Type and Number:
WIPO Patent Application WO/2024/018737
Kind Code:
A1
Abstract:
This optical fiber end face observing device is a device for observing an end face of an optical fiber including a glass optical fiber, and a covering portion covering an outer circumference of the glass optical fiber. The optical fiber includes a covered region in which the glass optical fiber is covered by the covering portion, and a protruding region in which the glass optical fiber protrudes from a covering end face, which is an end face of the covering portion. The device comprises a light source for emitting light onto a reflecting surface which causes reflected light to be incident on a side surface of the protruding region, and a camera for acquiring an observation image of a glass end face of the protruding region.
Inventors:
TAKANO JUNYA (JP)
Application Number:
PCT/JP2023/018324
Publication Date:
January 25, 2024
Filing Date:
May 16, 2023
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
G01M11/00; G01N21/88; G02B6/44
Domestic Patent References:
| WO2021260855A1 | 2021-12-30 |
Foreign References:
| JPS6240504U | 1987-03-11 | |||
| JP2010156924A | 2010-07-15 | |||
| JP2015229609A | 2015-12-21 | |||
| JPH08136397A | 1996-05-31 | |||
| JP2019159017A | 2019-09-19 | |||
| JP2003233013A | 2003-08-22 | |||
| JP2000221105A | 2000-08-11 | |||
| JPS51144253A | 1976-12-11 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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