Laser-fiber positioner

Details Laser-fiber positioner Laser-fiber positioner

G - Physics

05

D

341/105

G05D 3/12 (2006.01) G02B 6/42 (2006.01) G05D 3/14 (2006.01)

Patent

CA 1229904

LASER-FIBER POSITIONER Abstract of the Disclosure To position a light output device such as a laser diode relative to a light input 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. - i -

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