Laser-fiber positioner

Details Laser-fiber positioner Laser-fiber positioner

1985-07-08

1988-01-19

Sikes, William L.

Electrical generator or motor structure

Dynamoelectric

Rotary

350 9610, 350 9624, 350355, 310318, G02B 636

Patent

active

047201630

ABSTRACT:
To position a light output device such as a laser diode relative to a light device such as a waveguide so as to obtain maximum coupling of light, the waveguide end facing the laser is vibrated by mechanical means to modulate the coupled light. Light is detected from a remote end of the fiber and a corresponding electrical signal is generated. Positional information contained in the oscillatory component of the signal is decoded and applied to a positioning device which then reduces misalignment between the waveguide and laser. The positioning device continuously seeks the maximum coupling position. The technique finds particular application in positioning a waveguide in a laser package prior to and during anchoring.

REFERENCES:
patent: 3310978 (1967-03-01), Davis
patent: 3394976 (1968-07-01), Hawkins
patent: 3442570 (1969-05-01), Picker
patent: 4212513 (1980-07-01), Gravel
patent: 4280756 (1981-07-01), Albertinetti
patent: 4382243 (1983-05-01), Babitzka et al.
patent: 4384230 (1983-05-01), Wisner
patent: 4394061 (1983-07-01), Schroeder
patent: 4565940 (1986-01-01), Hubbard, Jr.

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