Title:
OPTICAL FIBER DEVICE, TEMPERATURE MEASUREMENT SYSTEM, AND OPTICAL FIBER DEVICE MANUFACTURING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/181501
Kind Code:
A1
Abstract:
This optical fiber device comprises: a first metal flexible tube into which an optical fiber has been inserted; a second metal flexible tube into which the first metal flexible tube has been inserted and which is immersed in a liquid in a liquid tank; and an anchor that has a density greater than the density of the liquid and that is connected, in the liquid, to the second metal flexible tube.
Inventors:
TAKASU YOICHI (JP)
Application Number:
PCT/JP2020/010180
Publication Date:
September 16, 2021
Filing Date:
March 10, 2020
Export Citation:
Assignee:
FUJITSU LTD (JP)
International Classes:
G01K11/32; G02B6/00; G02B6/44
Domestic Patent References:
| WO2019012616A1 | 2019-01-17 |
Foreign References:
| JPH07218780A | 1995-08-18 | |||
| JP2019148524A | 2019-09-05 | |||
| US20120010846A1 | 2012-01-12 |
Attorney, Agent or Firm:
KATAYAMA, Shuhei (JP)
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