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Patent Searching and Data


Title:
OPTICAL DEVICE AND LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/003604
Kind Code:
A1
Abstract:
This optical device comprises: a first fiber 31 having a core 31a and cladding 31b that surrounds the outer periphery of the core 31a, a second fiber 32 having a core 32a and cladding 32b that surrounds the outer periphery of the core 32a and having one end face 32fb connected to one end face 31fa of the first fiber 31, and a quartz block 35 connected to the other end face 32fa of the second fiber 32. The other end face 32fa of the second fiber 32 is smaller than the face 35fb of the quartz block connected to the second fiber 32, and larger than the one end face 31fa of the first fiber 31.

Inventors:
TANAKA HIRONORI (JP)
Application Number:
PCT/JP2017/022696
Publication Date:
January 04, 2018
Filing Date:
June 20, 2017
Export Citation:
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Assignee:
FUJIKURA LTD (JP)
International Classes:
G02B6/02; G02B6/42; H01S3/10
Domestic Patent References:
WO2014002715A12014-01-03
Foreign References:
JP2014063127A2014-04-10
US20140363125A12014-12-11
US20090080835A12009-03-26
US4575181A1986-03-11
JPH01316705A1989-12-21
JP2007227713A2007-09-06
JP2001066483A2001-03-16
JP2000514930A2000-11-07
Other References:
See also references of EP 3477348A4
Attorney, Agent or Firm:
MORIMURA Yasuo et al. (JP)
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