Method of producing an elliptic core optical fiber

Details Method of producing an elliptic core optical fiber Method of producing an elliptic core optical fiber

2005-09-27

2005-09-27

Griffin, Steven P. (Department: 1731)

Glass manufacturing

Processes of manufacturing fibers, filaments, or preforms

Process of manufacturing optical fibers, waveguides, or...

C065S435000

Reexamination Certificate

active

06948340

ABSTRACT:
Disclosed is a method of producing an elliptic core optical fiber, in which a original preform having a circular core disposed at the center of a circular clad is processed to flatten on its periphery to form a processed preform that is then drawn with heating into an elliptic core optical fiber.According to the invention, the form of the processed preform used for producing an elliptic core optical fiber with desired specific dimensions can be designed using pre-obtained correlations based on the dimensions of the elliptic core optical fiber. If the processed preform designed like this is drawn with heating, an elliptic core optical fiber with desired specific dimensions can be reliably and easily produced.

REFERENCES:
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patent: 5067793 (1991-11-01), Bachmann et al.
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patent: WO 9740408 (1997-10-01), None
Kabeel, M.A., Measurement of Refractive Indices of Fibers With Regular or Irregualr Transverse Sections and Having a Skin-Core Structure, Dec., 1991, Review of Scientific Instruments vol. 62 Issue 12, pp. 2950-2954.

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