Patent
1990-04-09
1991-06-18
Ullah, Akm
350 9629, 65 5, G02B 602, G02B 616, G02B 626, C03B 3706
Patent
active
050245015
ABSTRACT:
The present invention discloses a manufacturing method for polarization maintaining optical fiber couplers which are used for joining light signals and at optical fiber branch points. The disclosed manufacturing method employs polarization maintaining optical fibers, and describes a method for mutually aligning the stress applying parts of such optical fibers so that polarized optical signals are maintained in the polarized state when transiting such couplers.
REFERENCES:
patent: 4603941 (1986-07-01), Fujii et al.
patent: 4911524 (1990-03-01), Itoh et al.
Fujimoto Hirohisa
Nishide Kenji
Suzuki Fumio
Taya Hiroyuki
Yamada Takeshi
Fujikura Ltd.
Ullah Akm
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