12 MW peak power from a two-crystal Yb:KYW chirped-pulse oscillator with cavity-dumping

We report on substantial pulse energy increase in Yb:KYW femtosecond laser oscillators by utilizing multiple laser crystals for an enhanced net-gain at higher pump power. The two-crystal oscillator generates pulse energies of 7 µJ at 1 MHz repetition rate which is, to our knowledge the highest energ...

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Veröffentlicht in:	Optics express 2010-08, Vol.18 (18), p.19095-19100
Hauptverfasser:	Palmer, Guido, Schultze, Marcel, Emons, Moritz, Lindemann, Anna Lena, Pospiech, Matthias, Steingrube, Daniel, Lederer, Max, Morgner, Uwe
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers, Electronic Crystallization Equipment Design Lasers Light Optics and Photonics Oscillometry - instrumentation Signal Processing, Computer-Assisted - instrumentation Time Factors Tungsten - chemistry Ytterbium - chemistry
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Zusammenfassung:	We report on substantial pulse energy increase in Yb:KYW femtosecond laser oscillators by utilizing multiple laser crystals for an enhanced net-gain at higher pump power. The two-crystal oscillator generates pulse energies of 7 µJ at 1 MHz repetition rate which is, to our knowledge the highest energy ever reported from an Yb-doped tungstate fs-laser oscillator. The external pulse compression yields a pulse duration of 416 fs with a peak power of 12 MW being enough for stable white light generation in YAG.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/OE.18.019095