Abstract

A diode-laser end-pumped cw rotating Nd:glass disk laser that operates in the TEM00 mode with a slope efficiency of 37% has been demonstrated to have an output power dependent on both the pumping rate and the rotation rate. As the rotation rate increases, the power increases from zero to an optimum and thereafter decreases. The initial increase is due to the lessening of the effect of medium heating on laser operation, while the decrease is due to decreased laser gain caused by sweeping of the excited-state population out of the laser cavity. At the optimum rotation rate of 2.5 Hz we obtained a cw output power of 0.55 W with 2 W of absorbed pump power; the output power was limited by the available pump power as opposed to thermal damage or thermo-optic distortion.

© 1991 Optical Society of America

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References

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  1. W. J. Kozlovsky, T. Y. Fan, R. L. Byer, Opt. Lett. 11, 788 (1986).
    [Crossref] [PubMed]
  2. T. Dimmick, Opt. Lett. 15, 177 (1990).
    [Crossref] [PubMed]
  3. F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
    [Crossref]
  4. D. W. Hughes, J. R. M. Barr, D. C. Hanna, Opt. Lett. 16, 147 (1991).
    [PubMed]
  5. J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.
  6. Since the submission of this Letter, 415 mW of average power from a diode-pumped Nd:glass laser was reported by D. W. Hughes, J. R. M. Barr, D. C. Hanna, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1991), p. 38.
  7. W. S. Martin, J. P. Chernoch, U.S. patent3,633,126 (January1972).
  8. W. B. Jones, L. M. Goldman, J. C. Almasi, Tech. Rep. AFAL-TR-72-233 (GE Research and Development, Schenectedy, N.Y., 1972).
  9. G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).
  10. T. J. Kane, R. L. Byer, J. Opt. Soc. Am. 72, 1755 (1982).
  11. S. Basu, R. L. Byer, Opt. Lett. 11, 617 (1986).
    [Crossref] [PubMed]
  12. V. P. Gapontsev, I. E. Samartsev, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), p. 127.
  13. D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
    [Crossref]
  14. S. Basu, R. L. Byer, Appl. Opt. 12, 1765 (1990).
    [Crossref]
  15. J. Korn, T. H. Jeys, T. Y. Fan, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), p. 188.
  16. T. Y. Fan, A. Sanchez, W. E. DeFeo, Opt. Lett. 14, 1057 (1989).
    [Crossref] [PubMed]
  17. Since the operating point of the maximum absorbed power was 3.2 times above threshold, τ is calculated to be 108 μs.
  18. T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
    [Crossref]

1991 (1)

1990 (4)

T. Dimmick, Opt. Lett. 15, 177 (1990).
[Crossref] [PubMed]

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

S. Basu, R. L. Byer, Appl. Opt. 12, 1765 (1990).
[Crossref]

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[Crossref]

1989 (1)

1986 (2)

1982 (1)

T. J. Kane, R. L. Byer, J. Opt. Soc. Am. 72, 1755 (1982).

1975 (1)

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

1972 (1)

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

Almasi, J. C.

W. B. Jones, L. M. Goldman, J. C. Almasi, Tech. Rep. AFAL-TR-72-233 (GE Research and Development, Schenectedy, N.Y., 1972).

Barr, J. R. M.

D. W. Hughes, J. R. M. Barr, D. C. Hanna, Opt. Lett. 16, 147 (1991).
[PubMed]

Since the submission of this Letter, 415 mW of average power from a diode-pumped Nd:glass laser was reported by D. W. Hughes, J. R. M. Barr, D. C. Hanna, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1991), p. 38.

Basu, S.

Bond, W. L.

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

Byer, R. L.

S. Basu, R. L. Byer, Appl. Opt. 12, 1765 (1990).
[Crossref]

S. Basu, R. L. Byer, Opt. Lett. 11, 617 (1986).
[Crossref] [PubMed]

W. J. Kozlovsky, T. Y. Fan, R. L. Byer, Opt. Lett. 11, 788 (1986).
[Crossref] [PubMed]

T. J. Kane, R. L. Byer, J. Opt. Soc. Am. 72, 1755 (1982).

Chernoch, J. P.

W. S. Martin, J. P. Chernoch, U.S. patent3,633,126 (January1972).

DeFeo, W. E.

Dienes, A.

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

Dimmick, T.

Fan, T. Y.

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[Crossref]

T. Y. Fan, A. Sanchez, W. E. DeFeo, Opt. Lett. 14, 1057 (1989).
[Crossref] [PubMed]

W. J. Kozlovsky, T. Y. Fan, R. L. Byer, Opt. Lett. 11, 788 (1986).
[Crossref] [PubMed]

J. Korn, T. H. Jeys, T. Y. Fan, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), p. 188.

Gapontsev, V. P.

V. P. Gapontsev, I. E. Samartsev, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), p. 127.

Goldman, L. M.

W. B. Jones, L. M. Goldman, J. C. Almasi, Tech. Rep. AFAL-TR-72-233 (GE Research and Development, Schenectedy, N.Y., 1972).

Hanna, D. C.

D. W. Hughes, J. R. M. Barr, D. C. Hanna, Opt. Lett. 16, 147 (1991).
[PubMed]

Since the submission of this Letter, 415 mW of average power from a diode-pumped Nd:glass laser was reported by D. W. Hughes, J. R. M. Barr, D. C. Hanna, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1991), p. 38.

Hecht, D. L.

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

Hughes, D. W.

D. W. Hughes, J. R. M. Barr, D. C. Hanna, Opt. Lett. 16, 147 (1991).
[PubMed]

Since the submission of this Letter, 415 mW of average power from a diode-pumped Nd:glass laser was reported by D. W. Hughes, J. R. M. Barr, D. C. Hanna, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1991), p. 38.

Hulme, G. J.

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Jeys, T. H.

J. Korn, T. H. Jeys, T. Y. Fan, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), p. 188.

Jones, W. B.

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

W. B. Jones, L. M. Goldman, J. C. Almasi, Tech. Rep. AFAL-TR-72-233 (GE Research and Development, Schenectedy, N.Y., 1972).

Kane, T. J.

T. J. Kane, R. L. Byer, J. Opt. Soc. Am. 72, 1755 (1982).

Korn, J.

J. Korn, T. H. Jeys, T. Y. Fan, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), p. 188.

Kozlovsky, W. J.

Krausz, F.

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

Lee, C. H.

J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.

Ling, J. D.

J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.

Martin, W. S.

W. S. Martin, J. P. Chernoch, U.S. patent3,633,126 (January1972).

Pantell, R. H.

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

Puthoff, H. E.

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

Samartsev, I. E.

V. P. Gapontsev, I. E. Samartsev, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), p. 127.

Sanchez, A.

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[Crossref]

T. Y. Fan, A. Sanchez, W. E. DeFeo, Opt. Lett. 14, 1057 (1989).
[Crossref] [PubMed]

Schmidt, A.

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

Soos, J. I.

J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.

Winter, E.

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

Yan, L.

J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.

Appl. Opt. (1)

S. Basu, R. L. Byer, Appl. Opt. 12, 1765 (1990).
[Crossref]

IEEE J. Quantum Electron. (3)

D. L. Hecht, W. L. Bond, R. H. Pantell, H. E. Puthoff, IEEE J. Quantum Electron. QE-8, 15 (1972).
[Crossref]

T. Y. Fan, A. Sanchez, IEEE J. Quantum Electron. 26, 311 (1990).
[Crossref]

F. Krausz, E. Winter, A. Schmidt, A. Dienes, IEEE J. Quantum Electron. 26, 158 (1990).
[Crossref]

J. Opt. Soc. Am. (1)

T. J. Kane, R. L. Byer, J. Opt. Soc. Am. 72, 1755 (1982).

Opt. Lett. (5)

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

G. J. Hulme, W. B. Jones, Proc. Soc. Photo-Opt. Instrum. Eng. 69, 38 (1975).

Other (7)

J. Korn, T. H. Jeys, T. Y. Fan, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1991), p. 188.

Since the operating point of the maximum absorbed power was 3.2 times above threshold, τ is calculated to be 108 μs.

J. D. Ling, L. Yan, C. H. Lee, J. I. Soos, in Digest of Optical Society of America Annual Meeting (Optical Society of America, Washington, D. C., 1990), p. 140.

Since the submission of this Letter, 415 mW of average power from a diode-pumped Nd:glass laser was reported by D. W. Hughes, J. R. M. Barr, D. C. Hanna, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1991), p. 38.

W. S. Martin, J. P. Chernoch, U.S. patent3,633,126 (January1972).

W. B. Jones, L. M. Goldman, J. C. Almasi, Tech. Rep. AFAL-TR-72-233 (GE Research and Development, Schenectedy, N.Y., 1972).

V. P. Gapontsev, I. E. Samartsev, in Digest of Meeting on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1990), p. 127.

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Figures (4)

Fig. 1
Fig. 1

Experimental arrangement of the rotating Nd:glass disk laser shown in the plane perpendicular to the junction of the laser-diode arrays. The diode arrays are separated by 5.2 mm. L1 are gradient-index lenses, L2 is a cylindrical lens of 10-cm focal length, L3 is an asphere with an 8-cm focal length, M1 is a high reflector at 1.054 μm with a 5-cm radius of curvature, and M2 is a 1% output coupler with a 10-cm radius of curvature.

Fig. 2
Fig. 2

Effect of (a) disk wedge and (b) wobble, where α is the wedge angle and Δd is the displacement of the optic axis caused by the wobble.

Fig. 3
Fig. 3

Rotating Nd:glass laser output power versus rotation rate and linear velocity, with absorbed pump power as a parameter.

Fig. 4
Fig. 4

Output power of the rotating-disk laser versus pump power at the rotation rate of 2.5 Hz, which is optimized for 2-W pumping.

Equations (1)

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f w π r τ = 21 Hz .

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