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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 21 — Oct. 21, 2013
  • pp: 24665–24673

Diode-pumped continuous wave tunable and graphene Q-switched Tm:LSO lasers

T.L. Feng, S.Z. Zhao, K.J. Yang, G.Q. Li, D.C. Li, J. Zhao, W.C. Qiao, J. Hou, Y. Yang, J.L. He, L.H. Zheng, Q.G. Wang, X.D. Xu, L.B. Su, and J. Xu  »View Author Affiliations

Optics Express, Vol. 21, Issue 21, pp. 24665-24673 (2013)

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We have investigated the lasing characteristics of Tm:LSO crystal in three operation regimes: continuous wave (CW), wavelength tunable and passive Q-switching based on graphene. In CW regime, a maximum output power of 0.65 W at 2054.9 nm with a slope efficiency of 21% was achieved. With a quartz plate, a broad wavelength tunable range of 145 nm was obtained, corresponding to a FWHM of 100 nm. By using a graphene saturable absorber mirror, the passively Q-switched Tm:LSO laser produced pulses with duration of 7.8 μs at 2030.8 nm under a repetition rate of 7.6 kHz, corresponding to pulse energy of 14.0 μJ.

© 2013 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3600) Lasers and laser optics : Lasers, tunable
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 23, 2013
Revised Manuscript: September 13, 2013
Manuscript Accepted: September 16, 2013
Published: October 8, 2013

T.L. Feng, S.Z. Zhao, K.J. Yang, G.Q. Li, D.C. Li, J. Zhao, W.C. Qiao, J. Hou, Y. Yang, J.L. He, L.H. Zheng, Q.G. Wang, X.D. Xu, L.B. Su, and J. Xu, "Diode-pumped continuous wave tunable and graphene Q-switched Tm:LSO lasers," Opt. Express 21, 24665-24673 (2013)

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