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  • Vol. 26, Iss. 11 — Jun. 1, 2001
  • pp: 813–815

Efficient shortening of self-chirped picosecond pulses in a high-power CO2 amplifier

S. Ya. Tochitsky, C. Filip, R. Narang, C. E. Clayton, K. A. Marsh, and C. Joshi  »View Author Affiliations


Optics Letters, Vol. 26, Issue 11, pp. 813-815 (2001)
http://dx.doi.org/10.1364/OL.26.000813


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Abstract

We report a factor-of-6 shortening of the 240-ps (FWHM) pulses in a triple-pass, 2.5-atm CO2 amplifier. This technique is based on the self-phase modulation of a 10-μm pulse in a plasma after the first pass of amplification, followed by narrowing of this chirped pulse during further amplification. Subsequently, strong power broadening provides the necessary bandwidth to amplify 40-ps pulses to terawatt power levels.

© 2001 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3440) Lasers and laser optics : Laser-induced breakdown
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(190.5940) Nonlinear optics : Self-action effects

Citation
S. Ya. Tochitsky, C. Filip, R. Narang, C. E. Clayton, K. A. Marsh, and C. Joshi, "Efficient shortening of self-chirped picosecond pulses in a high-power CO2 amplifier," Opt. Lett. 26, 813-815 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-11-813


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