Portable laser power measuring apparatus

Details Portable laser power measuring apparatus Portable laser power measuring apparatus

1997-08-06

1998-09-08

Pham, Hoa Q.

Optics: measuring and testing

Photometers

356218, 356224, G01J 146

Patent

active

058052771

ABSTRACT:
Apparatus for measuring power in a laser-beam includes a transmissive diffuser for diffusely expanding the laser-beam and a photon detector for receiving the diffusely-expanded laser-beam and generating an electrical signal in response thereto. Electronic circuitry including a microprocessor is provided for interpreting the electrical signal as a measure of power in the laser-beam. A display device is provided for displaying the interpreted signal.

REFERENCES:
patent: 3687558 (1972-08-01), Rex
patent: 3966325 (1976-06-01), Mohler
patent: 4027973 (1977-06-01), Kaye
patent: 4320289 (1982-03-01), White et al.
patent: 4643568 (1987-02-01), Forsberg
patent: 5409314 (1995-04-01), Laakmann

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