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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 16 — Aug. 1, 2011
  • pp: 14949–14954

Efficient, polarised, gain-switched operation of a Tm-doped fibre laser

Nikita Simakov, Alex Hemming, Shayne Bennetts, and John Haub  »View Author Affiliations

Optics Express, Vol. 19, Issue 16, pp. 14949-14954 (2011)

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We present a monolithic, robustly polarised thulium fibre laser which produces pulses with 25 ns duration and energy of up to 35 µJ. A pulsed 1.55 μm source was used to gain switch the laser at repetition rates of up to 300 kHz, producing average powers of up to 8 W at 2.044 µm. To the best of our knowledge this is the highest power gain-switched thulium fibre laser and it is also the first with a linearly polarised output. The large repetition rate, pulse energy and average power will enable efficient energy extraction from a large mode-area, polarisation maintaining thulium fibre amplifier.

© 2011 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3460) Lasers and laser optics : Lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 5, 2011
Revised Manuscript: June 29, 2011
Manuscript Accepted: July 7, 2011
Published: July 20, 2011

Nikita Simakov, Alex Hemming, Shayne Bennetts, and John Haub, "Efficient, polarised, gain-switched operation of a Tm-doped fibre laser," Opt. Express 19, 14949-14954 (2011)

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