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1100 W Yb:YAG femtosecond Innoslab amplifier

: Russbueldt, P.; Hoffmann, H.-D.; Mans, T.; Poprawe, R.

Volltext urn:nbn:de:0011-n-1710479 (245 KByte PDF)
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Copyright 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Erstellt am: 27.4.2012

Clarkson, W.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Solid state lasers XX. Technology and devices : 23 - 27 January 2011, San Francisco, California, United States
Bellingham, WA: SPIE, 2011 (Proceedings of SPIE 7912)
ISBN: 978-0-8194-8449-9
Paper 79120R
Conference "Solid State Lasers - Technology and Devices" <20, 2011, San Francisco/Calif.>
Photonics West Conference <2011, San Franciso/Calif.>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ILT ()

Laser sources of high average power are essential to transfer femtosecond technology to industrial applications. We demonstrate a compact diode-pumped Yb:KGW femtosecond oscillator-Yb:YAG Innoslab amplifier MOPA with nearly transform and diffraction limited 636 fs pulses at 620 W average output power and 20 MHz repetition rate. By cascading two amplifiers an average output power of 1.1 kW and peak power of 80 MW is achieved in a single, linearly polarized beam. The MOPA is operated at room temperature and no CPA technique is used. The specific properties of Innoslab MOPAs are compared with fibers and thin-disks.