Method of optical sampling

Details Method of optical sampling Method of optical sampling

1994-02-24

1995-09-26

Rosenberger, Richard A.

Optics: measuring and testing

Photometers

Photoelectric

25022731, 356121, G01J 142

Patent

active

054538289

ABSTRACT:
The beam power of a laser beam is sampled by locating an elongate radiation conductive path across and substantially normal to the axis of the beam and detecting the light emitted at at least one of the ends of the radiation path, the radiation at the end of the radiation path being representative of the beam power of the laser.
The radiation conductive path can be a glass rod but preferably the path comprises one or more optical fibres.

REFERENCES:
patent: 4265545 (1981-05-01), Slaker
patent: 4371897 (1983-02-01), Kramer
patent: 4474468 (1984-10-01), Shirakura et al.
patent: 4827120 (1989-05-01), Stauffer
patent: 4939739 (1990-07-01), Hobart et al.
patent: 5070237 (1991-12-01), Okayama et al.
patent: 5122656 (1992-06-01), Williams

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