Arrangement for measuring laser power incorporating a first part

Details Arrangement for measuring laser power incorporating a first part Arrangement for measuring laser power incorporating a first part

1991-05-13

1992-07-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

372108, H01J 314

Patent

active

051325284

ABSTRACT:
Apparatus and method for measuring the radiation power of a laser. Two partially transmitting mirrors are arranged in the main laser beam which, with respect to their orientation in space, are turned by 90.degree. with respect to one another and by which a portion of the radiation is coupled out, and the partial beam is directed to an electro optic transducer. The measuring arrangement is therefore independent of the polarization condition of the main laser beam.

REFERENCES:
patent: 3588738 (1971-06-01), Goodwin
patent: 4210810 (1980-07-01), Berry et al.
patent: 4669088 (1987-05-01), Waite
patent: 5023886 (1987-06-01), Hobart et al.

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