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Applied Optics

Applied Optics


  • Vol. 35, Iss. 15 — May. 20, 1996
  • pp: 2576–2579

Ho:CaF2 solid-state saturable-absorber Q switch for the 2-μm Tm,Cr:Y3Al5O12 laser

Yen-Kuang Kuo, Milton Birnbaum, Ferruh Unlu, and Man-Fang Huang  »View Author Affiliations

Applied Optics, Vol. 35, Issue 15, pp. 2576-2579 (1996)

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The holmium-doped calcium fluoride (Ho:CaF2) crystal was shown to be an effective solid-state saturable-absorber Q-switch for a flash-lamp-pumped Tm,Cr:Y3Al5O12 laser at 2.017 μm. With a 1-cm-thick Ho(0.5%),Er(5%):CaF2 saturable absorber and a 6.3% output coupler, a single Q-switched laser pulse of 51 mJ in energy and 60 ns in duration was obtained at a flash-lamp input energy of 85 J. With a 14.6% output coupler, a typical Q-switched laser pulse of 84 mJ and 82 ns was observed.

© 1996 Optical Society of America

Original Manuscript: October 10, 1995
Revised Manuscript: January 17, 1996
Published: May 20, 1996

Yen-Kuang Kuo, Milton Birnbaum, Ferruh Unlu, and Man-Fang Huang, "Ho:CaF2 solid-state saturable-absorber Q switch for the 2-μm Tm,Cr:Y3Al5O12 laser," Appl. Opt. 35, 2576-2579 (1996)

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  1. Y. K. Kuo, M. Birnbaum, W. Chen, “Ho:YLiF4 saturable absorber Q-switch for the 2-μm Tm,Cr:Y3Al5O12 laser,” Appl. Phys. Lett. 65, 3060–3062 (1994). [CrossRef]
  2. R. D. Stultz, M. B. Camargo, M. Birnbaum, “Q-switch saturable absorber materials for solid state lasers,” in Visible and UV Lasers, R. Scheps, ed., Proc. SPIE 2115, 31–37 (1994).
  3. S. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, W. F. Krupke, “Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+,” IEEE J. Quantum Electron. 28, 2619–2630 (1992). [CrossRef]
  4. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).
  5. Y. K. Kuo, M. F. Huang, M. Birnbaum, “Tunable Cr4+:YSO Q-switched Cr:LiCAF laser,” IEEE J. Quantum Electron. 31, 657–663 (1995). [CrossRef]
  6. R. A. McFarlane, M. Robinson, S. A. Pollack, D. B. Chang, H. P. Jenssen, “Visible and infrared laser operation by upconversion pumping of erbium-doped fluorides,” in Advanced Solid-State Lasers, H. P. Jenssen, G. Dube, eds., Vol. 6 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1990), pp. 179–186.
  7. Y. K. Kuo, W. Chen, R. D. Stultz, M. Birnbaum, “Dy+2:CaF2 saturable absorber Q-switch for the ruby laser,” Appl. Opt. 33, 6348–6351 (1994). [CrossRef] [PubMed]

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