Abstract

Efficient 2-μm lasers are needed for many eye-safe laser radar applications. Pumping of a Tm:YAG crystal with the output from a 3-W diode laser has resulted in a cw output power of 0.5 W and Q-switched pulse energies in excess of 1 mJ/pulse at 100 Hz. Improved pump absorption with a near-circular pump beam could result in 2-mJ pulse energies.

© 1991 Optical Society of America

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References

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  1. S. W. Henderson, C. P. Hale, J. R. Magee, M. J. Kavaya, A. V. Huffaker, Opt. Lett. 16, 773 (1991).
    [CrossRef] [PubMed]
  2. G. Kintz, R. Allen, L. Esterowitz, Conference on Lasers and Electro-Optics, Vol. 7 of 1988 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1988), paper FB2.
  3. P. J. Suni, S. W. Henderson, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.1/ThL1.
  4. R. C. Stoneman, L. Esterowitz, G. Rosenblatt, in Conference on Lasers and Electro-Optics, Vol. 11 of 1989 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1989), paper TUE1.
  5. T. J. Kane, T. S. Kubo, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.3/ThL3.
  6. T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
    [CrossRef]
  7. T. J. Kane, T. S. Kubo, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper WA2.
  8. T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.
  9. W. Koechner, Solid-State Laser Engineering, 2nd ed. (Springer-Verlag, New York, 1988).

1991 (1)

1988 (1)

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

Allen, R.

G. Kintz, R. Allen, L. Esterowitz, Conference on Lasers and Electro-Optics, Vol. 7 of 1988 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1988), paper FB2.

Becker, T.

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

Byer, R. L.

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

Clausen, R.

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

Duczynski, E. W.

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

Esterowitz, L.

G. Kintz, R. Allen, L. Esterowitz, Conference on Lasers and Electro-Optics, Vol. 7 of 1988 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1988), paper FB2.

R. C. Stoneman, L. Esterowitz, G. Rosenblatt, in Conference on Lasers and Electro-Optics, Vol. 11 of 1989 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1989), paper TUE1.

Fan, T. Y.

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

Hale, C. P.

Henderson, S. W.

S. W. Henderson, C. P. Hale, J. R. Magee, M. J. Kavaya, A. V. Huffaker, Opt. Lett. 16, 773 (1991).
[CrossRef] [PubMed]

P. J. Suni, S. W. Henderson, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.1/ThL1.

Huber, G.

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

Huffaker, A. V.

Kane, T. J.

T. J. Kane, T. S. Kubo, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.3/ThL3.

T. J. Kane, T. S. Kubo, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper WA2.

Kavaya, M. J.

Kintz, G.

G. Kintz, R. Allen, L. Esterowitz, Conference on Lasers and Electro-Optics, Vol. 7 of 1988 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1988), paper FB2.

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 2nd ed. (Springer-Verlag, New York, 1988).

Kubo, T. S.

T. J. Kane, T. S. Kubo, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper WA2.

T. J. Kane, T. S. Kubo, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.3/ThL3.

Magee, J. R.

Mitzscherlich, P.

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

Rosenblatt, G.

R. C. Stoneman, L. Esterowitz, G. Rosenblatt, in Conference on Lasers and Electro-Optics, Vol. 11 of 1989 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1989), paper TUE1.

Stoneman, R. C.

R. C. Stoneman, L. Esterowitz, G. Rosenblatt, in Conference on Lasers and Electro-Optics, Vol. 11 of 1989 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1989), paper TUE1.

Suni, P. J.

P. J. Suni, S. W. Henderson, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.1/ThL1.

IEEE J. Quantum Electron. (1)

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherlich, IEEE J. Quantum Electron. 24, 924 (1988).
[CrossRef]

Opt. Lett. (1)

Other (7)

T. J. Kane, T. S. Kubo, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper WA2.

T. Becker, R. Clausen, G. Huber, E. W. Duczynski, P. Mitzscherlich, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1989), p. 150.

W. Koechner, Solid-State Laser Engineering, 2nd ed. (Springer-Verlag, New York, 1988).

G. Kintz, R. Allen, L. Esterowitz, Conference on Lasers and Electro-Optics, Vol. 7 of 1988 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1988), paper FB2.

P. J. Suni, S. W. Henderson, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.1/ThL1.

R. C. Stoneman, L. Esterowitz, G. Rosenblatt, in Conference on Lasers and Electro-Optics, Vol. 11 of 1989 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1989), paper TUE1.

T. J. Kane, T. S. Kubo, in Digest of IEEE/LEOS Annual Meeting (Lasers and Electro-Optics Society of the Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1990), paper SSL1.3/ThL3.

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Figures (4)

Fig. 1
Fig. 1

Experimental setups used to assess cw (top) and Q-switched (bottom) performance.

Fig. 2
Fig. 2

Output–input data for the cw laser. The slope efficiency with respect to power into the crystal is 49%, and the peak conversion efficiency (output power/input power) is 39%.

Fig. 3
Fig. 3

Measured pulse energy versus pulse spacing (1/PRF) for the Q-switched laser (squares). The average power at high PRF (dashed line), in conjunction with the maximum pulse energy, indicates a storage time of approximately 3.0 ms.

Fig. 4
Fig. 4

Pulse energy versus PRF for a short cavity. The PRF was decreased from an initial value of 2 kHz. Points at which damage occurred are indicated by arrows. Note the small drop in pulse energy resulting from this damage.

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