Abstract

We report cw single-mode output at 1.34 μm in a Nd:YVO4 microchip laser pumped separately with a Ti:sapphire laser and a diode laser in the region of 809 nm. The 0.5 mm × 1.0 mm × 1.0 mm Nd3+-doped YVO4 crystal produced output powers as high as 60 mW with slope efficiencies as high as 40% and laser thresholds between 155 and 275 mW by use of a pumped volume of approximately 150-μm diameter and 0.5-mm length. Data are also presented for the laser’s performance as a function of pump wavelength and for the spectral variation of the output with crystal temperature.

© 1994 Optical Society of America

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1993 (1)

1992 (2)

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

J. J. Zayhowski, J. A. Keszenheimer, IEEE J. Quantum Electron. 28, 1118 (1992).
[CrossRef]

1991 (1)

1990 (2)

G. J. Kintz, T. Baer, IEEE J. Quantum Electron. 26, 1457 (1990).
[CrossRef]

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

1989 (1)

1987 (1)

R. A. Fields, M. Birnbaum, C. L. Fincher, Appl. Phys. Lett. 51, 1885 (1987).
[CrossRef]

1977 (1)

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

1976 (1)

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

Baer, T.

G. J. Kintz, T. Baer, IEEE J. Quantum Electron. 26, 1457 (1990).
[CrossRef]

Barnes, N. P.

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

Baxter, G. W.

Birnbaum, M.

R. A. Fields, M. Birnbaum, C. L. Fincher, Appl. Phys. Lett. 51, 1885 (1987).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

Booth, D. J.

Bowkett, G. C.

Chartier, I.

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

Cross, P. L.

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

DeShazer, L. G.

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

Erler, J. W.

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

Fields, R. A.

R. A. Fields, M. Birnbaum, C. L. Fincher, Appl. Phys. Lett. 51, 1885 (1987).
[CrossRef]

Fincher, C. L.

R. A. Fields, M. Birnbaum, C. L. Fincher, Appl. Phys. Lett. 51, 1885 (1987).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

Garapon, C.

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

Keszenheimer, J. A.

J. J. Zayhowski, J. A. Keszenheimer, IEEE J. Quantum Electron. 28, 1118 (1992).
[CrossRef]

Kintz, G. J.

G. J. Kintz, T. Baer, IEEE J. Quantum Electron. 26, 1457 (1990).
[CrossRef]

Kobayashi, T.

Mermilliod, N.

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

Moncorgé, R.

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

Mooradian, A.

Mukai, A.

Nozawa, Y.

Qiu, M.

Romero, R.

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

Skolaut, M. W.

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

Storm, M. E.

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

Taira, T.

Tucker, A. W.

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

Zayhowski, J. J.

J. J. Zayhowski, J. A. Keszenheimer, IEEE J. Quantum Electron. 28, 1118 (1992).
[CrossRef]

J. J. Zayhowski, A. Mooradian, Opt. Lett. 14, 618 (1989).
[CrossRef] [PubMed]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

R. A. Fields, M. Birnbaum, C. L. Fincher, Appl. Phys. Lett. 51, 1885 (1987).
[CrossRef]

IEEE J. Quantum Electron. (4)

N. P. Barnes, M. E. Storm, P. L. Cross, M. W. Skolaut, IEEE J. Quantum Electron. 26, 558 (1990).
[CrossRef]

N. Mermilliod, R. Romero, I. Chartier, C. Garapon, R. Moncorgé, IEEE J. Quantum Electron. 28, 1179 (1992).
[CrossRef]

G. J. Kintz, T. Baer, IEEE J. Quantum Electron. 26, 1457 (1990).
[CrossRef]

J. J. Zayhowski, J. A. Keszenheimer, IEEE J. Quantum Electron. 28, 1118 (1992).
[CrossRef]

J. Appl. Phys. (2)

A. W. Tucker, M. Birnbaum, C. L. Fincher, L. G. DeShazer, J. Appl. Phys. 47, 232 (1976).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, J. W. Erler, J. Appl. Phys. 48, 4907 (1977).
[CrossRef]

Opt. Lett. (2)

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Figures (6)

Fig. 1
Fig. 1

Nd:YVO4 output power versus input power for Ti:S (●) and LD (□) pumping.

Fig. 2
Fig. 2

Nd:YVO4 laser spectrum with 60-mW output showing predominantly single-mode output (Ti:S pumping).

Fig. 3
Fig. 3

Variation of output power with pump wavelength for Ti:S pumping (open squares). Also shown is the absorption spectrum of the Nd:YVO4 crystal in the region of 809 nm (filled circles).

Fig. 4
Fig. 4

Fluorescence spectrum of Nd:YVO4 near 1.34 μm.

Fig. 5
Fig. 5

Output spectra of the Nd:YVO4 laser at three representative temperatures; Ti:S pumping (370 mW).

Fig. 6
Fig. 6

Mode structure of the Nd:YVO4 laser output as a function of crystal temperature. M1, main mode; M2, second mode; T2, second transition. The relative mode intensities at each temperature for Ti:S (left to right and top to bottom) are 100, 100, 100, (100, 2), (100, 25), (100, 25), (100, 46), (100, 67), (70, 100), (42, 100), (37, 100, (37, 100); for LD they are (19, 100, 3), (39, 100, 27), (11, 100, 92), (66, 100), (100, 89). Note that these data do not permit comparison of intensities at different temperatures.

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