Alignment means for a light source emitting invisible laser ligh

Details Alignment means for a light source emitting invisible laser ligh Alignment means for a light source emitting invisible laser ligh

1988-02-04

1989-07-25

Evans, F. L.

Optics: measuring and testing

Angle measuring or angular axial alignment

Alignment of axes nominally coaxial

G01B 1100

Patent

active

048506940

ABSTRACT:
An alignment means for a light source (10) emitting invisible laser light intended, for example, as a guide beam in a laser alignment agent. The means includes a monocular (5,6) a reflecting prism (4) for deflecting part of the emitted laser light and reflecting it to the objective (5) of the monocular, and an image converter (19) for generating a visible image of the reflected laser light. The problem with a heavily deteriorated monocular image due to the image converter is avoided by the converter (19) being spaced from the optical axis (7) of the monocular and by the reflected laser light solely being taken through the image converter (19), subsequent to which the now visible laser image is superimposed on the ordinary monocular image.

REFERENCES:
patent: 3712702 (1973-01-01), Schmidt
patent: 4653879 (1987-03-01), Filipovich

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