Laser diode to fiber reflective coupling

Details Laser diode to fiber reflective coupling Laser diode to fiber reflective coupling

1988-07-22

1990-02-20

Sikes, William L.

350 9618, G02B 636

Patent

active

049020935

ABSTRACT:
A mechanism for coupling radiation from a laser diode (3) into an optical fiber (5) utilizing a spherical mirror (20) is disclosed. To compensate for the disparity in numerical apertures between the laser (3) and fiber (5), the laser emission facet (10) is located closer to the spherical mirror (20) than the one to one imaging plane and the fiber entrance face (6) is located further from the mirror (20) than the one to one imaging plane.

REFERENCES:
patent: 4261638 (1981-04-01), Wagner
patent: 4358858 (1982-11-01), Tamura et al.
patent: 4763978 (1988-08-01), Courtney et al.
"Solid State Pumping Source For Nd:YAG Lasers integrated focusing optics" by Farmer et al, IBM Technical Bulletin vol. 15, No. 1, Jun. 1972, pp. 149-150.
"A simple device for the efficient coupling of a light emitting diode to an optical fibre" by Beach, J. of Physics E. S. Instruments, Sep. 1975, vol. 8, pp. 745-747.

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