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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 21 — Nov. 1, 2011
  • pp: 4212–4214

Mid-IR femtosecond pulse generation on the microjoule level up to 5 μm at high repetition rates

Maximilian Bradler, Christian Homann, and Eberhard Riedle  »View Author Affiliations


Optics Letters, Vol. 36, Issue 21, pp. 4212-4214 (2011)
http://dx.doi.org/10.1364/OL.36.004212


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Abstract

We show efficient generation of mid-IR pulses tunable between 1 and 5 μm from 100 kHz class femtosecond systems. The concept can be applied to various sources, particularly based on Ti:sapphire and the newly evolving Yb + lasers. The mid-IR pulses are generated as the idler of a collinear optical parametric amplifier pumped by the laser fundamental. The seed for this amplifier is the idler of a previous amplification stage pumped with the second harmonic and seeded with a visible continuum. This enhances the energy and allows us to influence the bandwidth of the final output. Pulses with microjoule energy and Fourier limits of 50 fs are achieved.

© 2011 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 11, 2011
Manuscript Accepted: September 7, 2011
Published: October 25, 2011

Citation
Maximilian Bradler, Christian Homann, and Eberhard Riedle, "Mid-IR femtosecond pulse generation on the microjoule level up to 5 μm at high repetition rates," Opt. Lett. 36, 4212-4214 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-21-4212

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