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50W, 50fs pulses from a fiber laser system using nonlinear fiber compression

 
: Röser, F.; Rothhardt, J.; Schreiber, T.; Limpert, J.; Tünnermann, A.

:

Brown, A.J.W. ; Aculight Corp., Bothell/Wash.; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber lasers III: Technology, systems, and applications : 23 - 26 January 2006, San Jose, California, USA; Held at Photonics West
Bellingham/Wash.: SPIE, 2006 (SPIE Proceedings Series 6102)
ISBN: 0-8194-6144-X
Paper 610210
Photonics West Conference <2006, San Jose/Calif.>
English
Conference Paper
Fraunhofer IOF ()
Fiber optic amplifier and laser; nonlinear fiber optic; ultrashort pulse

Abstract
We report on the generation of 50 fs pulses with an average output power of more than 50W. This is done by combining a high average power fiber CPA system with a microstructured large-mode-area fiber for nonlinear compression. The fiber CPA system delivers 300 fs pulses with a repetition rate of 73MHz in a linearly polarized beam with diffraction-limited quality. The average output power can exceed 100W. Nonlinear compression of these pulses is done by launching the light into a very short piece of a microstructured fiber and then removing the phase with a pair of chirped mirrors.

: http://publica.fraunhofer.de/documents/N-46122.html