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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2508–2517

80 kHz repetition rate high power fiber amplifier flat-top pulse pumped OPCPA based on BIB3O6

J. Rothhardt, S. Hädrich, J. Limpert, and A. Tünnermann  »View Author Affiliations


Optics Express, Vol. 17, Issue 4, pp. 2508-2517 (2009)
http://dx.doi.org/10.1364/OE.17.002508


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Abstract

We present a high peak power optical parametric chirped pulse amplifier (OPCPA) seeded by a cavity dumped Ti:Sapphire oscillator. A frequency doubled high power Ytterbium-doped fiber amplifier is pumping the device. Temporal synchronization of the pump pulses is done via soliton generation in a highly nonlinear photonic crystal fiber. This soliton is fiber amplified and spectrally filtered in several fiber amplifiers. A simple birefringent pulse shaper generates a flat-top temporal pump pulse profile. Direct amplification of these pulses in large mode area fibers without using a stretcher and compressor provides significantly reduced complexity. For the first time to our knowledge broadband amplification around 800 nm central wavelength is demonstrated in BIB3O6 (BIBO) crystals. The stretched Ti:Sapphire oscillator pulses are amplified up to a pulse energy of 25 μJ. Recompression with a grating compressor yields 50.7 fs pulses with 16.2 μJ pulse energy.

© 2009 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 25, 2008
Revised Manuscript: January 8, 2009
Manuscript Accepted: January 16, 2009
Published: February 6, 2009

Citation
J. Rothhardt, S. Hädrich, J. Limpert, and A. Tünnermann, "80 kHz repetition rate high power fiber amplifier flat-top pulse pumped OPCPA based on BIB3O6," Opt. Express 17, 2508-2517 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-4-2508


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