Abstract

We describe 20-kW operation of a Q-switched Nd:YLF laser end pumped by a 5-mJ, 25-W quasi-cw diode-laser bar. A fiber coupler was used to adapt the 1-cm-wide active area of the diode-laser bar to the circular shape of the TEM00 mode. The maximum 1047-nm TEM00 output energy was 0.5 mJ in a 22-nsec Q-switched pulse. This corresponds to a peak power in excess of 20 kW and was obtained at an optical slope efficiency of 13%.

© 1990 Optical Society of America

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References

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  1. T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.
  2. S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.
  3. A. D. Hays, R. Burnham, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD9.
  4. K. Chan, Appl. Opt. 27, 1227 (1988).
    [CrossRef] [PubMed]
  5. T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
    [CrossRef]
  6. O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989); R. Scheps, Appl. Opt. 28, 89 (1989).
    [CrossRef] [PubMed]
  7. K. Kubodera, K. Otsuka, S. Miyazawa, Appl. Opt. 18, 884 (1979).
    [CrossRef] [PubMed]
  8. T. M. Baer, D. F. Head, P. Gooding, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuB1.
  9. W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

1988 (1)

1982 (1)

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

1979 (1)

Baer, T. M.

T. M. Baer, D. F. Head, P. Gooding, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuB1.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

Burnham, R.

A. D. Hays, R. Burnham, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD9.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

Chan, K.

Chicklis, E. P.

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

DiBiase, D.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

Gooding, P.

T. M. Baer, D. F. Head, P. Gooding, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuB1.

Grasso, R. J.

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

Hays, A.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

Hays, A. D.

A. D. Hays, R. Burnham, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD9.

Head, D. F.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

T. M. Baer, D. F. Head, P. Gooding, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuB1.

Hughes, W.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

Jenssen, H. P.

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

Kasinski, J.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

Kubodera, K.

Kudo, S.

S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.

Miyazawa, S.

Otsuka, K.

Pollack, T. M.

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

Sakamoto, M.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

Svelto, O.

O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989); R. Scheps, Appl. Opt. 28, 89 (1989).
[CrossRef] [PubMed]

Washio, K.

S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.

Watanabe, S.

S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.

Wing, W. F.

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

Yamane, T.

S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.

Appl. Opt. (2)

IEEE J. Quantum Electron. (1)

T. M. Pollack, W. F. Wing, R. J. Grasso, E. P. Chicklis, H. P. Jenssen, IEEE J. Quantum Electron. QE-18, 159 (1982).
[CrossRef]

Other (6)

O. Svelto, Principles of Lasers, 3rd ed. (Plenum, New York, 1989); R. Scheps, Appl. Opt. 28, 89 (1989).
[CrossRef] [PubMed]

T. M. Baer, D. F. Head, P. Gooding, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuB1.

W. Hughes, A. Hays, D. DiBiase, J. Kasinski, R. Burnham, in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), paper TuA1.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

S. Watanabe, S. Kudo, T. Yamane, K. Washio, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD8.

A. D. Hays, R. Burnham, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper PD9.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup.

Fig. 2
Fig. 2

TEM00 output energy for free-running (squares) and Q-switched (triangles) operation and the pulse duration (circles) versus diode-laser pump energy.

Fig. 3
Fig. 3

Superposition of 20 Q-switched pulses.

Equations (1)

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η s = ( T / L ) ( λ p / λ ) ( A / A p ) η t η a η q ,

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