Abstract

We report on the performance of an acousto-optically Q-switched Er:YVO4 laser resonantly pumped in the 4I15/24I13/2 transition. The laser output was π-polarized at 1603 nm. It operated with a 1-40 kHz pulse repetition rate (PRR) and delivered up to 1.15 W of average output power. A slope efficiency of 45% with respect to the absorbed pump power was demonstrated at the pulse repetition rates of 10 kHz and above. The best Q-switched operation with 470 μJ, 50 ns long pulses was achieved at the PRR of 1-2 kHz and pumping with a fiber-coupled laser diode. This Q-switched pulse energy is the highest reported for Er:YVO4 single crystal laser.

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  1. N. Ter-Gabrielyan, V. Fromzel, T. Lukasiewicz, W. Ryba-Romanowski, and M. Dubinskii, “High power resonantly diode-pumped σ-polarization Er3+:YVO4 laser at 1593.5 nm,” Laser Phys. Lett.8(7), 529–534 (2011).
    [CrossRef]
  2. N. Ter-Gabrielyan, V. Fromzel, T. Lukasiewicz, W. Ryba-Romanowski, and M. Dubinskii, “Nearly quantum-defect-limited efficiency, resonantly pumped, Er3+:YVO₄ laser at 1593.5 nm,” Opt. Lett.36(7), 1218–1220 (2011).
    [CrossRef] [PubMed]
  3. C. Brandt, V. Matrosov, K. Petermann, and G. Huber, “In-band fiber-laser-pumped Er:YVO₄ laser emitting around 1.6 μm,” Opt. Lett.36(7), 1188–1190 (2011).
    [CrossRef] [PubMed]
  4. N. Ter-Gabrielyan, V. Fromzel, W. Ryba-Romanowski, T. Lukasiewicz, and M. Dubinskii, “Spectroscopic and laser properties of resonantly (in-band) pumped Er:YVO4 and Er:GdVO4 crystals: comparative study,” Opt. Mater. Express2(8), 1040–1049 (2012).
    [CrossRef]
  5. N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
    [CrossRef]
  6. Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
    [CrossRef]
  7. Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).
  8. Y. H. Tsang and D. J. Binks, “Record performance from a Q-switched Yb:Er:YVO4 laser,” Appl. Phys. B96(1), 11–17 (2009).
    [CrossRef]
  9. Y. Sato and T. Taira, “Saturation factors of pump absorption in solid-state lasers,” IEEE J. Quantum Electron.40(3), 270–280 (2004).
    [CrossRef]

2012

2011

2009

Y. H. Tsang and D. J. Binks, “Record performance from a Q-switched Yb:Er:YVO4 laser,” Appl. Phys. B96(1), 11–17 (2009).
[CrossRef]

2008

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
[CrossRef]

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).

2007

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

2004

Y. Sato and T. Taira, “Saturation factors of pump absorption in solid-state lasers,” IEEE J. Quantum Electron.40(3), 270–280 (2004).
[CrossRef]

Binks, D. J.

Y. H. Tsang and D. J. Binks, “Record performance from a Q-switched Yb:Er:YVO4 laser,” Appl. Phys. B96(1), 11–17 (2009).
[CrossRef]

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
[CrossRef]

Brandt, C.

Dubinskii, M.

Fromzel, V.

Huber, G.

Kisel, V. E.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Kuleshov, N. V.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Kupchenko, M. I.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Kurilchik, S. V.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Lukasiewicz, T.

Matrosov, V.

Matrosov, V. N.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Matrosova, V. N.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Mercer, C. J.

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
[CrossRef]

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).

Petermann, K.

Ryba-Romanowski, W.

Sato, Y.

Y. Sato and T. Taira, “Saturation factors of pump absorption in solid-state lasers,” IEEE J. Quantum Electron.40(3), 270–280 (2004).
[CrossRef]

Taira, T.

Y. Sato and T. Taira, “Saturation factors of pump absorption in solid-state lasers,” IEEE J. Quantum Electron.40(3), 270–280 (2004).
[CrossRef]

Ter-Gabrielyan, N.

Tolstik, N. A.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Troshin, A. E.

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Tsang, Y. H.

Y. H. Tsang and D. J. Binks, “Record performance from a Q-switched Yb:Er:YVO4 laser,” Appl. Phys. B96(1), 11–17 (2009).
[CrossRef]

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
[CrossRef]

Appl. Phys. B

N. A. Tolstik, A. E. Troshin, S. V. Kurilchik, V. E. Kisel, N. V. Kuleshov, V. N. Matrosov, V. N. Matrosova, and M. I. Kupchenko, “Spectroscopy, continues-wave and Q-switched diode-pumped laser operation of Er,Yb:YVO4 crystals,” Appl. Phys. B86(2), 275–278 (2007).
[CrossRef]

Y. H. Tsang and D. J. Binks, “Record performance from a Q-switched Yb:Er:YVO4 laser,” Appl. Phys. B96(1), 11–17 (2009).
[CrossRef]

IEEE J. Quantum Electron.

Y. Sato and T. Taira, “Saturation factors of pump absorption in solid-state lasers,” IEEE J. Quantum Electron.40(3), 270–280 (2004).
[CrossRef]

Laser Phys. Lett.

N. Ter-Gabrielyan, V. Fromzel, T. Lukasiewicz, W. Ryba-Romanowski, and M. Dubinskii, “High power resonantly diode-pumped σ-polarization Er3+:YVO4 laser at 1593.5 nm,” Laser Phys. Lett.8(7), 529–534 (2011).
[CrossRef]

Opt. Lett.

Opt. Mater. Express

Solid State Lasers and Amplifiers III, Proc. of SPIE

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “A mechanically Q-switched Yb:Er:YVO4 laser,” Solid State Lasers and Amplifiers III, Proc. of SPIE6998, 9981 (2008).

Solid State Lasers And Amplifiers III, Proc. SPIE

Y. H. Tsang, C. J. Mercer, and D. J. Binks, “Record performancel from a passively Q-switched Yb:Er:YVO4 laser,” Solid State Lasers And Amplifiers III, Proc. SPIE6998, 6998U (2008).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

Er3+:YVO4 absorption cross-sections of the 4I15/24I13/2 transitions for π- and σ-polarizations. The emitting spectra of the pump sources, Er-fiber laser and fiber-coupled laser diode, are also shown.

Fig. 2
Fig. 2

Simplified optical layout of the Q-switched Er:YVO4 laser.

Fig. 3
Fig. 3

CW performance of the Er:YVO4 laser pumped into the 1538.6 nm absorption line by the Er-fiber laser. Laser cavity: ZCAV = 110 mm ROC = 90%, RCC = 100 mm. Acousto-Optical Element (AOE) was either inserted into- or removed from the cavity.

Fig. 4
Fig. 4

The performance of the AO Q-switched Er:YVO4 laser pumped into the 1538.6 nm absorption line by the Er-fiber laser. Laser cavity: ROC = 90%, ZCAV = 110mm. (a) Average output power versus the incident pump power; (b) - versus the absorbed pump power;

Fig. 5
Fig. 5

The performance of the AO Q-switched Er:YVO4 laser pumped into the 1538.6 nm absorption line by the Er-fiber laser. Laser cavity: ROC = 90%, ZCAV = 110mm. (a) Typical pulse trace taken at 5 kHz PRF. (b) Pulse energies and pulsewidths when the CW incident pump power is 18 W.

Fig. 6
Fig. 6

The performance of the AO Q-switched Er:YVO4 laser pumped into the 1529 nm absorption line by the 23 W fiber-coupled diode laser. Laser cavity: ROC = 90%, ZCAV = 110 mm. (a) Average output power of the AO Q-switched Er:YVO4 laser versus the incident pump power measured at different PRF. For comparison, a CW operation of this laser with and without AOE inserted into the cavity is also shown; (b) Q-switched pulse energies and durations dependence on the PRF.

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