Method of producing apparatus comprising a low-reflection optica

Details Method of producing apparatus comprising a low-reflection optica Method of producing apparatus comprising a low-reflection optica

1990-02-13

1991-09-17

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling structure

225 965, 83913, 385 38, G02B 626

Patent

active

050489089

ABSTRACT:
It has been discovered that tilted optical fiber endfaces useful in low-reflection optical fiber joints can be produced by cleaving, provided the fiber is twisted through an appropriate twist angle. By way of example, for a particular, commercially available single mode fiber, the normalized twist angle typically is in the range of 5-15 degrees/cm, resulting in a nominal tilt angle of the fiber endface in the approximate range 5-20 degrees.

REFERENCES:
patent: 4473942 (1984-10-01), Ridgway
Saunders; "Torsion Effects on Fractured Fiber Ends"; Applied Optics, vol. 18, No. 10; May 15, 1979; pp. 1480-1481.
Electronic Letters, R. Rao, et al., vol. 22(14) pp. 731-732 (1986).

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