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Transform-limited pulses from a mJ-class nonlinear fiber CPA-system by phase shaping

: Seise, E.; Eidam, T.; Schimpf, D.N.; Limpert, J.; Tünnermann, A.


Tankala, K. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber lasers VII. Technology, systems, and applications : 25 - 28 January 2010, San Francisco, California, United States; at SPIE Photonics West
Bellingham, WA: SPIE, 2010 (Proceedings of SPIE 7580)
ISBN: 978-0-8194-7976-1
Paper 75802J
Conference "Fiber Lasers - Technology, Systems, and Applications" <7, 2010, San Francisco/Calif.>
Photonics West Conference <2010, San Franciso/Calif.>
Conference Paper
Fraunhofer IOF ()
phase-shaping; high energy fiber CPA-system; nonlinear CPA-system; nonlinear phase compensation

We experimentally demonstrate phase-shaping in fiber CPA-systems, providing pulse-energies at the mJ-level. The applied method is based on an analytical model describing the impact of SPM in CPA-systems. Using this phase-shaping technique nearly transform limited pulses are produced at B-integrals up to 10 rad. Compared to a nonlinear CPAsystem with the best performance being achieved by adjusting the compressor, operation of the same system using the phase-shaping method permits peak-power enhancement by a factor better than 2.