Alignment apparatus with single mode fiber optic stabilizer

Details Alignment apparatus with single mode fiber optic stabilizer Alignment apparatus with single mode fiber optic stabilizer

1987-06-11

1989-07-04

Rosenberger, Richard A.

Optics: measuring and testing

By alignment in lateral direction

With light detector

G01B 1100

Patent

active

048446181

ABSTRACT:
An apparatus is provided for achieving accurate alignment of parts relative to one another. The apparatus comprises a light source that is operative to produce a beam of light. The light source is disposed in proximity to a focusing aid which in turn is disposed in proximity to one end of a single mode optical fiber. The opposed end of the single mode optical fiber may be disposed at any selected spacing and any selected angular alignment with respect to the first end of the single mode optical fiber. The apparatus further includes a collimating lens disposed in proximity to the second end of the optical fiber. Preferably, the second end of the optical fiber is spaced from the collimating lens by the focal length thereof. As a result, the apparatus will produce a well focused beam of light. More particularly, the beam of light emanating from the collimating lens will remain spatially stable despite variations in the attitude of the incoming beam.

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