Abstract

A nonlinear cavity dumping process is applied for the first time to generate kW peak power pulses at 491 nm. The system is based on efficient sum-frequency mixing of 1063 nm and 912 nm radiations in a BiBO nonlinear crystal placed inside a Nd:GdVO4 laser oscillator with a high finesse cavity at 912 nm. The nonlinear cavity dumping process is triggered by high peak power nanosecond pulses from a 1063 nm Q-switched Nd:GdVO4 laser operating at 10 kHz. To reach the kW range at 491 nm a key point is to Q-switch the high finesse 912 nm cavity instead of continuous wave operation. Thus, the peak power (9.3 kW for 3 ns pulses) and the average power (280 mW) obtained at 491 nm are 14 times higher than the one obtained when the 912 nm laser operated in continuous wave.

© 2008 Optical Society of America

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References

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  1. L. Marshall, "Many variant lasers compete in the blue," Laser Focus World 79-83 (2004).
  2. M.W. Berns, "Laser scissors and tweezers," Sci. Amer.(1998).
    [CrossRef] [PubMed]
  3. F. Shen and J. H. Price, "Laser ablation cell sorting in scanning cytometry," Optical Diagnostics of living cells IV, Proceeding of the SPIE, Vol. 4260 (2001).
  4. J. Chilla, S. Butterworth, A. Zeitschel, J. Charles, A. Caprara, M. Reed, and L. Sînelli, "High-power optically pumped semiconductor lasers," Proc. SPIE Solid State lasers XIII: Technology and Devices 5332, 143-150 (2004).
  5. E. Herault, F. Balembois, and P. Georges, "491 nm generation by sum-frequency mixing of diode pumped neodymium lasers," Opt. Express 13, 5653-5661 (2005).
    [CrossRef] [PubMed]
  6. Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
    [CrossRef]
  7. P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
    [CrossRef]
  8. G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
    [CrossRef]
  9. P. Tidemand-Lichtenberg, M. T. Andersen, S. Johansson, C. Canalias, F. Laurell, P. Buchhave, E. Karamehmedovic, and C. Pedersen, "Nonlinear cavity dumping of a high finesse frequency mixing module," Opt. Express 15, 9799-9803 (2007).
    [CrossRef] [PubMed]
  10. Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).
  11. E. Hérault, F. Balembois, and P. Georges, "Generation of 491 nm blue pulses by quasi-intracavity sum frequency mixing of Q-switched diode pumped neodymium lasers", Adv. Solid State Photon. paper MC5 Optical Society of America (2006).
  12. http://www.sandia.gov/imrl/XWEB1128/snloftp.htm

2007 (1)

2005 (1)

2004 (2)

Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
[CrossRef]

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

2000 (1)

Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).

1998 (1)

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Andersen, M. T.

Balembois, F.

Bohaty, L.

Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).

Buchhave, P.

P. Tidemand-Lichtenberg, M. T. Andersen, S. Johansson, C. Canalias, F. Laurell, P. Buchhave, E. Karamehmedovic, and C. Pedersen, "Nonlinear cavity dumping of a high finesse frequency mixing module," Opt. Express 15, 9799-9803 (2007).
[CrossRef] [PubMed]

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Canalias, C.

Chen, Y. F.

Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
[CrossRef]

Chen, Y. S.

Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
[CrossRef]

Conroy, R. S.

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Friel, G. J.

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Georges, P.

Hellwig, H.

Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).

Herault, E.

Janousek, J.

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Johansson, S.

Karamehmedovic, E.

Kemp, A. J.

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Laurell, F.

Ley, J. M.

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Liebertz, J.

Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).

Melich, R.

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Mortensen, J. L.

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Pedersen, C.

Sinclair, B. D.

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Tidemand-Lichtenberg, P.

P. Tidemand-Lichtenberg, M. T. Andersen, S. Johansson, C. Canalias, F. Laurell, P. Buchhave, E. Karamehmedovic, and C. Pedersen, "Nonlinear cavity dumping of a high finesse frequency mixing module," Opt. Express 15, 9799-9803 (2007).
[CrossRef] [PubMed]

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Tsai, S. W.

Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
[CrossRef]

Appl. Phys. B (2)

G. J. Friel, R. S. Conroy, A. J. Kemp, B. D. Sinclair, and J. M. Ley, "Q-switching of a diode-pumped Nd:YVO4 laser using a quadrupole electro-optic deflector," Appl. Phys. B 67, 267-270 (1998).
[CrossRef]

Y. F. Chen, Y. S. Chen, and S. W. Tsai, "Diode-pumped Q-switched laser with intracavity sum frequency mixing in periodically poled KTP," Appl. Phys. B 79, 207-210 (2004).
[CrossRef]

J. Appl. Opt. (1)

Q1. H. Hellwig, J. Liebertz, and L. Bohaty, "Linear optical properties of the monoclinic bismuth borate BiB3O6," J. Appl. Opt. 88, 240-244 (2000).

Opt. Commun. (1)

P. Tidemand-Lichtenberg, J. Janousek, R. Melich, J. L. Mortensen, and P. Buchhave, "Synchronization of 1064 and 1342 nm pulses using passive saturable absorbers," Opt. Commun. 241, 487-492 (2004).
[CrossRef]

Opt. Express (2)

Other (6)

E. Hérault, F. Balembois, and P. Georges, "Generation of 491 nm blue pulses by quasi-intracavity sum frequency mixing of Q-switched diode pumped neodymium lasers", Adv. Solid State Photon. paper MC5 Optical Society of America (2006).

http://www.sandia.gov/imrl/XWEB1128/snloftp.htm

L. Marshall, "Many variant lasers compete in the blue," Laser Focus World 79-83 (2004).

M.W. Berns, "Laser scissors and tweezers," Sci. Amer.(1998).
[CrossRef] [PubMed]

F. Shen and J. H. Price, "Laser ablation cell sorting in scanning cytometry," Optical Diagnostics of living cells IV, Proceeding of the SPIE, Vol. 4260 (2001).

J. Chilla, S. Butterworth, A. Zeitschel, J. Charles, A. Caprara, M. Reed, and L. Sînelli, "High-power optically pumped semiconductor lasers," Proc. SPIE Solid State lasers XIII: Technology and Devices 5332, 143-150 (2004).

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Figures (6)

Fig. 1.
Fig. 1.

Experimental setup. M1 radius of curvature is 50 mm, M2 radius of curvature is 200 mm, M3 radius of curvature is 200 mm, M4 is a plane mirror, M7 radius of curvature is 50 mm.

Fig. 2.
Fig. 2.

Power recorded at 912 nm (intracavity, top), at 1063 nm (middle) and 491 nm (bottom) versus time.

Fig. 3.
Fig. 3.

Zoom on the intracavity power close to the nonlinear cavity dumping.

Fig. 4.
Fig. 4.

Temporal pulse shape at 1063 nm and 491 nm obtained with the nonlinear cavity dumping process in case of a cw 912 nm laser. Secondary peaks are due to the pulse response of the photodiodes.

Fig. 5.
Fig. 5.

(a)Pulse duration at 912 nm from the Nd:GdVO4 Q-switched laser. (b) Temporal evolution of the intracavity power at 912 nm during the cavity dumping process.

Fig. 6.
Fig. 6.

Temporal pulse shape at 1063 nm and 491 nm from the nonlinear cavity dumping configuration with the Q-switched 912 nm laser. Secondary peaks are due to the pulse response of the photodiodes.

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