Laser power and energy meter

Details Laser power and energy meter Laser power and energy meter

1988-03-11

1989-09-12

Westin, Edward P.

Optics: measuring and testing

Photometers

Heat absorbing

356218, 374 32, G01J 100, G01J 500

Patent

active

048654469

ABSTRACT:
A laser power and energy meter has a target surface provided with at least one pin hole for passing a small portion of the laser beam impinging thereon and further has a light detector positioned in the path of the laser light passing through the pin hole. The target surface is moved horizontally and vertically to cause the laser beam to scan the target surface and the center of the laser beam is aligned with the center of the target surface.

REFERENCES:
patent: 4243888 (1981-01-01), Gruhn et al.
patent: 4474468 (1984-10-01), Shirakura et al.

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