G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.6
G02B 6/26 (2006.01) G02B 6/32 (2006.01) G02B 6/36 (2006.01) G02B 6/38 (2006.01)
Patent
CA 1308587
ABSTRACT OF THE DISCLOSURE A rotary joint for polarization plane maintaining optical fibers which can couple two polarization plane maintaining optical fibers to each other while maintaining the polarization plane maintaining property. The rotary joint comprises a rotary member, a fixed member, two optical fiber collimators and a 1/2 wavelength plate for coupling a polarization plane maintaining optical fiber connected to the rotary member with another polarization plane maintaining optical fiber connected to the fixed member, and gears for rotating the 1/2 wavelength plate at a speed equal to one half the rotational speed of the polarization plane maintaining optical fiber on the rotary member side.
578443
Fukahori Toshio
Kajioka Hiroshi
Morinaga Hitoshi
Shiina Noribumi
Fukahori Toshio
Hitachi Cable Limited
Kajioka Hiroshi
Marks & Clerk
Morinaga Hitoshi
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