High repetition rate pulsed laser

Details High repetition rate pulsed laser High repetition rate pulsed laser

1992-08-27

1993-12-21

Scott, Jr., Leon

Coherent light generators

Particular pumping means

372 97, 372105, 372 68, 372 25, H01S 309

Patent

active

052727130

ABSTRACT:
A pulsed laser system capable of operating at higher repetition rates, while maintaining the efficiency and beam quality of the output pulses comprises first and second gain media with one or more pump energy transducers, such as flashlamps, coupled with each of the gain media. A power supply generates a first sequence of pulses of input power and a second sequence of pulses of input power which drive respective subsets of the pump energy transducers in an independent timing relationship. Thus, two non-aligned 50 Hz sequences of input pulses which are interleaved generate an output pulse stream at 100 Hz from the laser system with the efficiency, beam quality, and average power comparable to that of a 50 Hz laser. By pumping subsets of the pump energy transducers coupled to a laser system in an interleaved fashion, higher repetition rates may be achieved with better output beam quality and higher average power than has been obtainable with prior art systems. The non-aligned timing also allows for variable pulse timing offsets.

REFERENCES:
patent: 4965805 (1990-10-01), Hayes

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