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Thermal challenges in high power optical parametric amplifiers

 
: Demmler, S.; Rothhardt, J.; Hädrich, S.; Peschel, T.; Limpert, J.; Tünnermann, A.

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Institute of Electrical and Electronics Engineers -IEEE-:
Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference, CLEO®/Europe-IQEC 2013 : 12-16 May 2013, Munich, Germany
Piscataway, NJ: IEEE, 2013
ISBN: 978-1-4799-0593-5 (Print)
ISBN: 978-1-4799-0594-2
1 S.
Conference on Lasers and Electro-Optics (CLEO Europe) <2013, Munich>
International Quantum Electronics Conference (IQEC) <2013, Munich>
Englisch
Konferenzbeitrag
Fraunhofer IOF ()

Abstract
In contrast to conventional laser amplifiers optical parametric amplifiers (OPAs) offer an enormous gain bandwidth that can reach [1] or even exceed [2] one optical octave supporting extremely short pulses [1, 2]. At the same time, OPAs have the reputation to be scalable to high average powers due to the lack of energy storage in the nonlinear medium. In particular, pumping OPAs with pulsed high average power fiber lasers enabled the current record level of more than 20 W of output power [1]. However, thermal effects similar to those observed in conventional lasers will ultimately limit average power scaling of OPAs. In this contribution, experimental and numerical results on thermal effects in high average power OPAs are presented.

: http://publica.fraunhofer.de/dokumente/N-300593.html