Multi-grating attenuator for high power pulsed laser beams

Details Multi-grating attenuator for high power pulsed laser beams Multi-grating attenuator for high power pulsed laser beams

1978-04-28

1979-09-11

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250229, 250237R, 250237G, H01J 3912

Patent

active

041676661

ABSTRACT:
A device that can be used with high repetitions, high power, pulsed laser ams for beam diagnostics is described. The device utilizes a plurality of hole gratings made from wires or beam attenuators which are positioned in the laser beam by a synchronization technique for firing the high power pulsed laser. Each grating is in the high power beam for one pulse and is then out of the beam for (n-1) pulses, when n is the number of gratings used, to allow for cooling before it is used again.

REFERENCES:
patent: 4035088 (1977-07-01), Jenkins et al.

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