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2 MHz repetition rate, 200 ps pulse duration from a monolithic, passively Q-switched microchip laser

: Steinmetz, A.; Nodop, D.; Limpert, J.; Hohmuth, R.; Richter, W.; Tünnermann, A.


Applied Physics. B 97 (2009), No.2, pp.317-320
ISSN: 0340-3793
ISSN: 0721-7269
ISSN: 0946-2171
ISSN: 1432-0649
Journal Article
Fraunhofer IOF ()

We present a monolithic passively Q-switched microchip laser generating 200 ps pulses at a wavelength of 1064 nm with a repetition rate of up to 2 MHz. While maintaining transversal and longitudinal single-mode operation, the pulse energy can be changed from 130 nJ to 400 nJ by varying the pump conditions of the laser. To the best of our knowledge, the repetition rate of 2 MHz is by far the highest ever reported from such lasers operating in the sub-ns regime.