Beam stealer laser power meter

Details Beam stealer laser power meter Beam stealer laser power meter

1994-07-19

1996-06-04

Rosenberger, Richard A.

Optics: measuring and testing

Photometers

Photoelectric

G01J 104

Patent

active

055238378

ABSTRACT:
An essentially non-intrusive laser power meter is described which is dependent on the reflection of a minor fraction of energy from a laser beam. A small beam splitter positioned on the periphery of the laser beam directs a small amount of the beam's reflected energy to a silicon photodiode. The output signal from the photodiode is then sent to a meter readout to indicate the beam energy.

REFERENCES:
patent: 3344703 (1967-10-01), Milton
patent: 4035088 (1977-05-01), Jenkins et al.
patent: 4448545 (1984-06-01), Pelka et al.
patent: 4459986 (1984-07-01), Karaki
patent: 5004338 (1991-04-01), Morrow
patent: 5184189 (1993-12-01), Hawsey et al.

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