Abstract

Efficient pulsed room-temperature laser emission at 946 nm is obtained from a Nd:YAG rod pumped by a Ti-doped sapphire laser in the free-running mode. Three bonded YAG rods of 3-mm diameter with different Nd concentrations and active lengths were tested. A maximum output energy of 83.5 mJ at 3 Hz was obtained with a slope efficiency of 32.3% in an end-pumping configuration.

© 1998 Optical Society of America

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  1. O. Musset, J. P. Boquillon, “Comparative laser study of Nd:KGW and Nd:YAG near 1.3 μm,” Appl. Phys. B 64, 503–506 (1997).
    [CrossRef]
  2. R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
    [CrossRef]
  3. N. P. Barnes, B. M. Walsh, K. E. Murray, “Flashlamp pumped, room temperature Nd:YAG laser operating at 0.946 micrometers,” in Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), p. 115.
  4. T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).
  5. W. A. Clarkson, R. Koch, D. C. Hanna, “Room-temperature diode-bar-pumped Nd:YAG laser at 946 nm,” Opt. Lett. 21, 737–739 (1996).
    [CrossRef] [PubMed]
  6. F. Hanson, “Improved laser performance at 946 and 473 nm from a composite Nd:Y3Al5O12 rod,” Appl. Phys. Lett. 66, 3549–3551 (1995).
    [CrossRef]
  7. T. Y. Fan, R. L. Byer, “Continuous-wave operation of a room-temperature, diode-laser-pumped, 946-nm Nd:YAG laser,” Opt. Lett. 12, 809–811 (1987).
    [CrossRef] [PubMed]
  8. J. P. Boquillon, O. Musset, “Flashlamp-pumped Ti:sapphire laser: influence of the rod figure of merit and Ti3+ concentration,” Appl. Phys. B 59, 357–360 (1994).
    [CrossRef]
  9. Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
    [CrossRef]
  10. W. P. Risk, W. Lenth, “Room-temperature, continuous-wave, 946-nm Nd:YAG laser pumped by laser-diode arrays and intracavity frequency doubling to 473 nm,” Opt. Lett. 12, 993–995 (1987).
    [CrossRef] [PubMed]
  11. “Flashlamp pumped Ti:sapphire lasers,” Elight product catalog (Elight Laser System GmbH, Postdamer Strasse 10, 0-1530 Teltow, Berlin, Germany).
  12. M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
    [CrossRef]

1997

O. Musset, J. P. Boquillon, “Comparative laser study of Nd:KGW and Nd:YAG near 1.3 μm,” Appl. Phys. B 64, 503–506 (1997).
[CrossRef]

1996

1995

F. Hanson, “Improved laser performance at 946 and 473 nm from a composite Nd:Y3Al5O12 rod,” Appl. Phys. Lett. 66, 3549–3551 (1995).
[CrossRef]

1994

J. P. Boquillon, O. Musset, “Flashlamp-pumped Ti:sapphire laser: influence of the rod figure of merit and Ti3+ concentration,” Appl. Phys. B 59, 357–360 (1994).
[CrossRef]

Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
[CrossRef]

1991

M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
[CrossRef]

1987

1969

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

Barnes, N. P.

N. P. Barnes, B. M. Walsh, K. E. Murray, “Flashlamp pumped, room temperature Nd:YAG laser operating at 0.946 micrometers,” in Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), p. 115.

Bass, M.

M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
[CrossRef]

Boquillon, J. P.

O. Musset, J. P. Boquillon, “Comparative laser study of Nd:KGW and Nd:YAG near 1.3 μm,” Appl. Phys. B 64, 503–506 (1997).
[CrossRef]

J. P. Boquillon, O. Musset, “Flashlamp-pumped Ti:sapphire laser: influence of the rod figure of merit and Ti3+ concentration,” Appl. Phys. B 59, 357–360 (1994).
[CrossRef]

Byer, R. L.

T. Y. Fan, R. L. Byer, “Continuous-wave operation of a room-temperature, diode-laser-pumped, 946-nm Nd:YAG laser,” Opt. Lett. 12, 809–811 (1987).
[CrossRef] [PubMed]

T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).

Chai, B. H. T.

M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
[CrossRef]

Clarkson, W. A.

Fan, T. Y.

T. Y. Fan, R. L. Byer, “Continuous-wave operation of a room-temperature, diode-laser-pumped, 946-nm Nd:YAG laser,” Opt. Lett. 12, 809–811 (1987).
[CrossRef] [PubMed]

T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).

Hanna, D. C.

Hanson, F.

F. Hanson, “Improved laser performance at 946 and 473 nm from a composite Nd:Y3Al5O12 rod,” Appl. Phys. Lett. 66, 3549–3551 (1995).
[CrossRef]

Harris, S. E.

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

Hirth, A.

Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
[CrossRef]

Koch, R.

Lenth, W.

Lutz, Y.

Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
[CrossRef]

Murray, K. E.

N. P. Barnes, B. M. Walsh, K. E. Murray, “Flashlamp pumped, room temperature Nd:YAG laser operating at 0.946 micrometers,” in Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), p. 115.

Musset, O.

O. Musset, J. P. Boquillon, “Comparative laser study of Nd:KGW and Nd:YAG near 1.3 μm,” Appl. Phys. B 64, 503–506 (1997).
[CrossRef]

J. P. Boquillon, O. Musset, “Flashlamp-pumped Ti:sapphire laser: influence of the rod figure of merit and Ti3+ concentration,” Appl. Phys. B 59, 357–360 (1994).
[CrossRef]

Risk, W. P.

Stalder, M.

M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
[CrossRef]

von Salisch, M.

Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
[CrossRef]

Wallace, R. W.

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

Walsh, B. M.

N. P. Barnes, B. M. Walsh, K. E. Murray, “Flashlamp pumped, room temperature Nd:YAG laser operating at 0.946 micrometers,” in Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), p. 115.

Appl. Phys. B

O. Musset, J. P. Boquillon, “Comparative laser study of Nd:KGW and Nd:YAG near 1.3 μm,” Appl. Phys. B 64, 503–506 (1997).
[CrossRef]

J. P. Boquillon, O. Musset, “Flashlamp-pumped Ti:sapphire laser: influence of the rod figure of merit and Ti3+ concentration,” Appl. Phys. B 59, 357–360 (1994).
[CrossRef]

Appl. Phys. Lett.

R. W. Wallace, S. E. Harris, “Oscillation and doubling of the 0.946-μ line in Nd3+:YAG,” Appl. Phys. Lett. 15, 111–112 (1969).
[CrossRef]

F. Hanson, “Improved laser performance at 946 and 473 nm from a composite Nd:Y3Al5O12 rod,” Appl. Phys. Lett. 66, 3549–3551 (1995).
[CrossRef]

M. Stalder, B. H. T. Chai, M. Bass, “Flashlamp pumped Cr:LiSrAlF6 laser,” Appl. Phys. Lett. 58, 216–218 (1991).
[CrossRef]

IEEE J. Quantum Electron.

T. Y. Fan, R. L. Byer, “Modeling and CW operation of a quasi-three-level 946 nm Nd:YAG laser,” IEEE J. Quantum Electron. QE-23, 605–612 (1987).

Opt. Laser Technol.

Y. Lutz, A. Hirth, M. von Salisch, “Optimization of the excitation characteristics of a flashlamp-pumped titanium sapphire laser,” Opt. Laser Technol. 26, 39–43 (1994).
[CrossRef]

Opt. Lett.

Other

N. P. Barnes, B. M. Walsh, K. E. Murray, “Flashlamp pumped, room temperature Nd:YAG laser operating at 0.946 micrometers,” in Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), p. 115.

“Flashlamp pumped Ti:sapphire lasers,” Elight product catalog (Elight Laser System GmbH, Postdamer Strasse 10, 0-1530 Teltow, Berlin, Germany).

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Figures (4)

Fig. 1
Fig. 1

Experimental setup (pumping from two sides): TiS, Ti:sapphire; HR, high reflection; HT, high transmission.

Fig. 2
Fig. 2

Temporal shapes of the pump pulse (upper trace) and of the output laser pulse (lower trace) at 946 nm.

Fig. 3
Fig. 3

Normalized output energy versus pump wavelength.

Fig. 4
Fig. 4

Output energy versus input energy for the three Nd:YAG rods tested.

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