High power laser beam intensity mapping apparatus

Details High power laser beam intensity mapping apparatus High power laser beam intensity mapping apparatus

1987-12-03

1989-05-09

Rosenberger, Richard A.

Optics: measuring and testing

Lamp beam direction or pattern

350 62, 374 32, G01J 100

Patent

active

048283843

ABSTRACT:
A scanning system which obtains and displays the spatial energy distribution of a high power laser beam. The beam to be examined is directed toward two knife-edge mirrors arranged to pass only a thin vertical segment of the beam and to reflect the remainder of the beam to power absorbers. The mirrors are scanned across the beam, and a scanning disk having helical slots therein samples the vertical segment, and these samples are directed by means of a paraboloid mirror toward a detector responsive to the wavelength of the laser beam. The output of the detector is placed into storage and thereafter displayed on a high resolution color monitor with different colors representing different energy levels or as a simulated three dimensional display so that an operator may obtain an indication of the spatial energy distribution of the laser beam under examination.

REFERENCES:
patent: 3072740 (1963-01-01), Astheimer
patent: 3733499 (1973-05-01), Deis et al.
patent: 3867036 (1975-02-01), Detwiler et al.
patent: 3894804 (1975-07-01), Detwiler et al.
patent: 4243325 (1981-01-01), Ernst
patent: 4442357 (1984-04-01), Baker et al.

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