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Title:
OPTICAL FIBER AND LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/131970
Kind Code:
A1
Abstract:
This optical fiber can propagate light of at least some of wavelengths 1000-1100 nm through a core in at least the LP01 mode and the LP11 mode, and is characterized in that the difference between the propagation constant of light in the LP01 mode and the propagation constant of light in the LP11 mode is 1735-4000 rad/m.

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Inventors:
KITAHARA RINTARO (JP)
KISHI TATSUYA (JP)
Application Number:
PCT/JP2018/048370
Publication Date:
July 04, 2019
Filing Date:
December 27, 2018
Export Citation:
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Assignee:
FUJIKURA LTD (JP)
International Classes:
G02B6/036; G02B6/02; H01S3/067
Domestic Patent References:
WO2013038794A12013-03-21
Foreign References:
JP6255532B12017-12-27
JP2010534354A2010-11-04
JP2018006596A2018-01-11
US20110081123A12011-04-07
JP2016051859A2016-04-11
Other References:
See also references of EP 3734336A4
Attorney, Agent or Firm:
MORIMURA Yasuo et al. (JP)
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