3877912

Information

• Patent Grant
• 3877912

• References
• Source

• Patent Number

  3,877,912

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • G02B6/03633 - arranged - -
  • C03B37/01211 - by inserting one or more rods or tubes into a tube
  • C03B37/01245 - by drawing and collapsing
  • C03B37/01413 - Reactant delivery systems
  • C03B37/01807 - Reactant delivery systems
  • C03B37/02754 - Solid fibres drawn from hollow preforms
  • C03B2201/30 - doped with metals
  • C03B2201/32 - doped with aluminium
  • C03B2201/40 - doped with transition metals other than rare earth metals
  • C03B2201/42 - doped with titanium
  • C03B2201/50 - doped with alkali metals
  • C03B2201/54 - doped with beryllium, magnesium or alkaline earth metals
  • C03B2203/22 - Radial profile of refractive index, composition or softening point
  • C03B2203/24 - Single mode [SM or monomode]
  • C03B2205/14 - comprising collapse of an outer tube onto an inner central solid preform rod
  • C03B2205/16 - the drawn fibre consisting of circularly symmetric core and clad
  • G02B6/03611 - Highest index adjacent to central axis region

• US Classifications

  • 065 - Glass manufacturing
  • 385 - Optical waveguides