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Stable high repetition rate, single-frequency Q-switched operation via feedback suppression of relaxation oscillation

C.Bollig, W.A.Clarkson and D.C.Hanna

Abstract

Stable, single-frequency, operation of a Q-switched laser requires initial establishment of a stable prelase, free from relaxation oscillation. Relying on natural decay of oscillation limits repetition rates and hence average power.

Using feedback suppression of relaxation oscillation, a Q-switched Nd:YAG laser has operated single-frequency reliably at repetition rates up to 25kHz, with 88% of available cw power extracted.


Optics Letters (1995) Vol.20(12) pp.1383-1385

doi: 10.1364/OL.20.001383

Southampton ePrint id: 78399

 

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Copyright University of Southampton 2006