Abstract

We report on a diode-pumped 531-nm self-frequency-doubling Nd:YAB laser passively Q switched by a Cr4+:YAG saturable absorber. Pumped by 1.4 W of 807-nm GaAlAs diode laser radiation, the Nd:YAB laser system generates 5.6-ns-long TEM00 light pulses with an energy of 1.0 µJ at a repetition rate of 45 kHz. The experimental data are compared with the results of a numerical analysis based on rate equations that consider the optical properties of the Nd:YAB crystal and of the Cr4+:YAG saturable absorber.

© 1997 Optical Society of America

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References

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  1. I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
    [CrossRef]
  2. Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.
  3. R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.
  4. B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
    [CrossRef]
  5. A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
    [CrossRef]
  6. S. Li, S. Zhou, P. Wang, and Y. Chen, “Self-Q-switched diode-end-pumped Cr,Nd:YAG laser with polarized output,” Opt. Lett. 18, 203–204 (1993).
    [CrossRef]
  7. J. J. Zayhowski and C. Dill, “Diode-pumped passively Q-switched picosecond microchip lasers,” Opt. Lett. 19, 1427–1429 (1994).
    [CrossRef] [PubMed]
  8. J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.
  9. O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989).
  10. M. Hercher, “An analysis of saturable absorbers,” Appl. Opt. 6, 947–954 (1967).
    [CrossRef] [PubMed]
  11. F. Zernicke and J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).
  12. H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
    [CrossRef]

1994 (1)

1993 (1)

1992 (1)

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

1990 (1)

I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
[CrossRef]

1989 (1)

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

1987 (1)

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

1967 (1)

Bartschke, J.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.

Becher, C.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

Beier, B.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

Boller, K.-J.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.

Chen, Y.

Danilov, A. A.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Dennis, W. M.

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

Dill, C.

Eilers, H.

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

Evstigneev, V. L.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Fan, Y. X.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Freitag, I.

I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
[CrossRef]

Hercher, M.

Hoffman, K. R.

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

Huang, Y. C.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Il’ichev, N. N.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Jacobsen, S. M.

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

Jiang, A. D.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Jiang, M.

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

Klimov, I. V.

J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.

Knappe, R.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

Li, S.

Lu, B.

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

Luo, D.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Malyutin, A. A.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Midwinter, J. E.

F. Zernicke and J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

Nikol’skii, M. Y.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Pan, H.

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

Qiu, M.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Scheidt, M.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

Schlecht, R.

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

Schütz, I.

I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
[CrossRef]

Shcherbakov, I. A.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Svelto, O.

O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989).

Umyskov, A. F.

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Wallenstein, R.

I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
[CrossRef]

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.

Wang, J.

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

Wang, P.

Yen, W. M.

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

Zayhowski, J. J.

Zernicke, F.

F. Zernicke and J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

Zhou, S.

Appl. Opt. (1)

Appl. Phys. Lett. (1)

H. Eilers, K. R. Hoffman, W. M. Dennis, S. M. Jacobsen, and W. M. Yen, “Saturation of 1.064µm absorption in Cr,Ca:Y3Al5O12 crystals,” Appl. Phys. Lett. 61, 2958 (1992).
[CrossRef]

J. Appl. Phys. (1)

B. Lu, J. Wang, H. Pan, and M. Jiang, “Laser self-doubling in neodymium yttrium aluminum borate,” J. Appl. Phys. 66, 6052–6054 (1989).
[CrossRef]

Opt. Commun. (1)

I. Schütz, I. Freitag, and R. Wallenstein, “Miniature self-frequency-doubling cw Nd:YAB laser pumped by a diode-laser,” Opt. Commun. 77, 221 (1990).
[CrossRef]

Opt. Lett. (2)

Sov. J. Quantum Electron. (1)

A. A. Danilov, V. L. Evstigneev, N. N. Il’ichev, A. A. Malyutin, M. Y. Nikol’skii, A. F. Umyskov, and I. A. Shcherbakov, “Compact GSGG:Cr3+:Nd3+ laser with passive Q switching,” Sov. J. Quantum Electron. 17, 573–574 (1987).
[CrossRef]

Other (5)

Y. X. Fan, R. Schlecht, M. Qiu, D. Luo, A. D. Jiang, and Y. C. Huang, “Spectroscopic and nonlinear-optical properties of a self-frequency-doubling NYAB crystal,” in Advanced Solid-State Lasers, L. L. Chase and A. A. Pinto, eds., Vol. 13 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1992), pp. 371–375.

R. Knappe, J. Bartschke, C. Becher, B. Beier, M. Scheidt, K.-J. Boller, and R. Wallenstein, “Injection-locked high power diode arrays and their applications as pump source for blue and green Nd:YAB lasers, monolithic Nd:YAG ring lasers, and cw KTP optical parametric oscillators,” in Conference on Lasers and Electro-Optics, Vol. 7 of 1994 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1994), pp. 361–362.

J. Bartschke, I. V. Klimov, K.-J. Boller, and R. Wallenstein, “Passive Q-switching of diode end-pumped Nd3+:GdVO4 and Nd3+:YAB lasers by using Cr4+:YAG and Cr4+:YSGG as saturable absorbers,” in Conference on Lasers and Electro-Optics, Vol. 15 of 1995 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1995), p. 126.

O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989).

F. Zernicke and J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973).

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Figures (7)

Fig. 1
Fig. 1

Experimental setup of the passively Q-switched Nd:YAB laser.

Fig. 2
Fig. 2

Repetition rate and average infrared and green output power in dependence on the pump power. The curves represent the results of the numerical analysis. For further details, see text.

Fig. 3
Fig. 3

Temporal pulse shape of the green 531-nm output pulse. The pump power is 1100 mW, and the repetition rate is 27 kHz.

Fig. 4
Fig. 4

Spectrum of the green laser output monitored by a solid 1.0-mm quartz Fabry–Perot etalon.

Fig. 5
Fig. 5

Green and infrared output power of the cw diode-pumped Nd:YAB laser. The symbols refer to the experiment, and the curves represent the result of the numerical analysis. See Section 3.

Fig. 6
Fig. 6

Green output pulse at 531 nm of the Q-switched laser. The pump power is 1.1 W, the pulse energy is 1.0 µJ, and the repetition rate is 27 kHz. The dashed curve indicates the calculated pulse shape.

Fig. 7
Fig. 7

Calculated time dependence of the infrared and the green output pulses, of the inversion of the two longitudinal laser modes, and of the population of the saturable absorber for a pump power of 1.0 W. The solid and the dashed curves refer to two different oscillating longitudinal laser modes.

Tables (1)

Tables Icon

Table 1 Values of the Parameters Used in the Rate Equations for the Calculation of the Pulse Shape Shown in Fig. 6

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

dNgidt=ηWpi(N0gi-Ngi)-BqiNgi-Ngiτ,
dqidt=VgBqiNgi-qiτc-VaβBaqiNa-VaBaqi(N0a-Na)-kSHGqi2,
dNadt=Baq(N0a-Na)-Naτa.
σa=hνIsτa,
N0a=-ln(T0)σal.

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