Monomode optical transmission fibre having a tapered end portion

Details Monomode optical transmission fibre having a tapered end portion Monomode optical transmission fibre having a tapered end portion

1988-02-02

1989-04-25

Lee, John D.

350 9615, 350320, G02B 632

Patent

active

048241954

ABSTRACT:
A monomode optical transmission fibre (1) is described, having a tapered end portion (5) on which a lens (10) is arranged. This lens is obtained by immersing the fibre end in a transparent liquid material (7) whose melting temperature is lower than that of the fibre materials and whose refractive index is substantially equal to that of the fibre core (2), and by allowing the drop which adheres to the fibre after withdrawal to solidify.

REFERENCES:
patent: 4118270 (1978-10-01), Pan et al.
patent: 4137060 (1979-01-01), Timmermann
patent: 4193663 (1980-03-01), Timmermann
patent: 4671609 (1987-06-01), Khoe et al.
D'Auria et al, "High Index Microlenses for GaAlAs Laser-Fibre Coupling", Electronics Lett., vol. 16, No. 9, Apr. 1980, pp. 322-324.
Khoe et al, "Efficient Coupling of Laser Diodes to Tapered Monomode Fibres with High-Index End", Electronics Lett., vol. 19, No. 6, Mar. 1983, pp. 205-207.

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