Abstract

A continuous-wave and Q-switched 10 kHz GdVO4/Nd:GdVO4 laser by 879 nm laser-diode pumping was demonstrated. We combined dual-end-π-polarized-pumping, half-wave plate (HWP) insertion, composite laser crystals, and dual Q-switching techniques to obtain a 1.06 μm nanosecond laser with high temporal and spatial quality. A polarization beam splitter was used to divide the unpolarized pump beam into two linearly polarized beams to increase the absorption efficiency. The output performance was improved obviously by inserting a HWP into the cavity. The pulse duration was compressed and the peak power was increased for a doubly Q-switched laser, in contrast to a single acousto-optical Q-switched laser under the same conditions.

© 2012 Optical Society of America

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  1. J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
    [CrossRef]
  2. H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
    [CrossRef]
  3. Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
    [CrossRef]
  4. M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
    [CrossRef]
  5. Y. F. Chen, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser with a planar cavity,” Opt. Lett. 25, 1016–1018 (2000).
    [CrossRef]
  6. Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
    [CrossRef]
  7. K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
    [CrossRef]
  8. J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
    [CrossRef]
  9. Y. Sato and T. Taira, “Comparative study on the spectroscopic properties of Nd:GdVO4 and Nd:YVO4 with hybrid process,” IEEE J. Sel. Top. Quantum Electron. 11, 613–620 (2005).
    [CrossRef]
  10. W. Koechner, Solid-State Laser Engineering (Springer, 2005).

2009 (1)

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

2007 (2)

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
[CrossRef]

2005 (2)

Y. Sato and T. Taira, “Comparative study on the spectroscopic properties of Nd:GdVO4 and Nd:YVO4 with hybrid process,” IEEE J. Sel. Top. Quantum Electron. 11, 613–620 (2005).
[CrossRef]

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

2003 (1)

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

2000 (1)

1999 (1)

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

1996 (1)

M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
[CrossRef]

An, J.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

Chen, S.-F.

H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
[CrossRef]

Chen, Y. F.

Y. F. Chen, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser with a planar cavity,” Opt. Lett. 25, 1016–1018 (2000).
[CrossRef]

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Cheng, C.-H.

H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
[CrossRef]

Fu, Q.

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

Huang, T. M.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Inaba, H.

M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
[CrossRef]

Koechner, W.

W. Koechner, Solid-State Laser Engineering (Springer, 2005).

Lan, Y. P.

Y. F. Chen, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser with a planar cavity,” Opt. Lett. 25, 1016–1018 (2000).
[CrossRef]

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Li, D.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

Li, G.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Li, M.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

Liao, C. C.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Liu, J.

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

Lupei, V.

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

Pavel, N.

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

Sato, Y.

Y. Sato and T. Taira, “Comparative study on the spectroscopic properties of Nd:GdVO4 and Nd:YVO4 with hybrid process,” IEEE J. Sel. Top. Quantum Electron. 11, 613–620 (2005).
[CrossRef]

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

Song, P.

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Taguchi, N.

M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
[CrossRef]

Taira, T.

Y. Sato and T. Taira, “Comparative study on the spectroscopic properties of Nd:GdVO4 and Nd:YVO4 with hybrid process,” IEEE J. Sel. Top. Quantum Electron. 11, 613–620 (2005).
[CrossRef]

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

Tsunekane, M.

M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
[CrossRef]

Wang, J.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

Wang, S. C.

Y. F. Chen, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser with a planar cavity,” Opt. Lett. 25, 1016–1018 (2000).
[CrossRef]

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Wang, Y.

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

Wu, H.-H.

H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
[CrossRef]

Wu, W.

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Yang, J.

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

Yang, K.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Zhao, S.

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Zou, J.

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Appl. Phys. B (1)

K. Yang, S. Zhao, G. Li, J. Zou, P. Song, and W. Wu, “Pulse compression in AO Q-switched diode-pumped Nd:GdVO4 laser with Cr4+:YAG saturable absorber,” Appl. Phys. B 80, 687–692 (2005).
[CrossRef]

Appl. Phys. Lett. (1)

Y. Sato, T. Taira, N. Pavel, and V. Lupei, “Laser operation with near quantum-defect slope efficiency in Nd:YVO4 under direct pumping into the emitting level,” Appl. Phys. Lett. 82, 844–846 (2003).
[CrossRef]

Electron. Lett. (1)

M. Tsunekane, N. Taguchi, and H. Inaba, “High power operation of diode-end-pumped Nd:YVO4 laser using composite rod with undoped end,” Electron. Lett. 32, 40–42 (1996).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

Y. Sato and T. Taira, “Comparative study on the spectroscopic properties of Nd:GdVO4 and Nd:YVO4 with hybrid process,” IEEE J. Sel. Top. Quantum Electron. 11, 613–620 (2005).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, and S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4laser,” IEEE Photon. Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

J. Opt. Soc. Am. A (1)

H.-H. Wu, S.-F. Chen, and C.-H. Cheng, “Passive Q-switching of a diode-pumped a-cut Nd:YVO4 laser with Cr4+:YAG saturable absorber in a plano-concave cavity,” J. Opt. Soc. Am. A 9, 376–379 (2007).
[CrossRef]

Laser Phys. Lett. (1)

J. Yang, Q. Fu, J. Liu, and Y. Wang, “Experiments of a diode-pumped Nd:GdVO4/LT-GaAs Q-switched and mode-locked laser,” Laser Phys. Lett. 4, 20–22 (2007).
[CrossRef]

Opt. Lett. (1)

Optik (1)

J. An, S. Zhao, G. Li, K. Yang, D. Li, J. Wang, and M. Li, “Doubly Q-switched intracavity-frequency-doubled c-cut Nd:GdVO4/KTP green laser with AO and GaAs,” Optik 120, 451–456 (2009).
[CrossRef]

Other (1)

W. Koechner, Solid-State Laser Engineering (Springer, 2005).

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Figures (7)

Fig. 1.
Fig. 1.

Schematic of the experimental setup.

Fig. 2.
Fig. 2.

CW output power as a function of absorbed pump power.

Fig. 3.
Fig. 3.

Laser beam profile at CW output power of 12.03 W: (a) 2D distribution; (b) 3D distribution.

Fig. 4.
Fig. 4.

Average output power and pulse width as functions of absorbed pump power at a repetition rate of 10 kHz when single AO Q-switch was employed.

Fig. 5.
Fig. 5.

Average output power and pulse width as functions of absorbed pump power at a repetition rate of 10 kHz.

Fig. 6.
Fig. 6.

Pulse temporal profiles from different Q-switched lasers.

Fig. 7.
Fig. 7.

Pulse peak power as a function of absorbed pump power.

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