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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 24 — Dec. 15, 2005
  • pp: 3299–3301

Multistage Yb-doped fiber amplifier generating megawatt peak-power, subnanosecond pulses

Fabio Di Teodoro and Christopher D. Brooks  »View Author Affiliations


Optics Letters, Vol. 30, Issue 24, pp. 3299-3301 (2005)
http://dx.doi.org/10.1364/OL.30.003299


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Abstract

A Q-switched microchip laser generating 1064 nm wavelength, subnanosecond pulses at a 13.4 kHz repetition rate was used to seed a dual-stage amplifier featuring a 40 µm core Yb-doped photonic-crystal fiber (PCF) as the power amplifier. From this source, we obtained diffraction-limited (M2=1.05), ∼450 ps pulses of energy >0.7 mJ, peak power in excess of 1.5 MW, and an average power of ∼9.5W. By further amplifying the PCF output in a multimode 140 µm core Yb-doped fiber, we generated a peak power in excess of 4.5 MW, the highest obtained in a fiber source to our knowledge.

© 2005 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

Citation
Fabio Di Teodoro and Christopher D. Brooks, "Multistage Yb-doped fiber amplifier generating megawatt peak-power, subnanosecond pulses," Opt. Lett. 30, 3299-3301 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-24-3299


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References

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