Abstract

Broadly tunable cw laser emission is reported in Tm:YAG and Tm:YSGG at room temperature with Ti:sapphire laser pumping. The Tm3+3F43H6 transition is tuned continuously over the ranges 1.87–2.16 μm in YAG and 1.85–2.14 μm in YSGG. Smooth tuning results from overlapping transitions between phonon-broadened crystal field Stark levels.

© 1990 Optical Society of America

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References

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  1. P. F. Moulton, in Laser Handbook, M. Bass, M. L. Stitch, eds. (North-Holland, Amsterdam, 1985), Vol. 5, p. 203.
  2. J. C. Walling, in Tunable Lasers, L. F. Mollenauer, J. C. White, eds. (Springer-Verlag, Berlin, 1987), p. 331.
  3. A. A. Kaminskii, Laser Crystals (Springer-Verlag, Berlin, 1981).
  4. W. Koechner, Solid State Laser Engineering, 2nd ed. (Springer-Verlag, Berlin, 1988), p. 50.
  5. G. J. Kintz, R. Allen, L. Esterowitz, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper FB2.
  6. R. C. Stoneman, L. Esterowitz, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings SeriesM. L. Shand, H. P. Jenssen, eds. (Optical Society of America, Washington, D.C., 1989), p. 157.
  7. J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
    [CrossRef]
  8. L. F. Johnson, H. J. Guggenheim, IEEE J. Quantum Electron. QE-10, 442 (1974).
    [CrossRef]
  9. J. A. Curcio, C. C. Petty, J. Opt. Am. 41, 302 (1951).
    [CrossRef]

1989 (1)

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

1974 (1)

L. F. Johnson, H. J. Guggenheim, IEEE J. Quantum Electron. QE-10, 442 (1974).
[CrossRef]

1951 (1)

J. A. Curcio, C. C. Petty, J. Opt. Am. 41, 302 (1951).
[CrossRef]

Allen, R.

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

Curcio, J. A.

J. A. Curcio, C. C. Petty, J. Opt. Am. 41, 302 (1951).
[CrossRef]

Esterowitz, L.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

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

R. C. Stoneman, L. Esterowitz, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings SeriesM. L. Shand, H. P. Jenssen, eds. (Optical Society of America, Washington, D.C., 1989), p. 157.

Gruber, J. B.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Guggenheim, H. J.

L. F. Johnson, H. J. Guggenheim, IEEE J. Quantum Electron. QE-10, 442 (1974).
[CrossRef]

Hills, M. E.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Johnson, L. F.

L. F. Johnson, H. J. Guggenheim, IEEE J. Quantum Electron. QE-10, 442 (1974).
[CrossRef]

Kaminskii, A. A.

A. A. Kaminskii, Laser Crystals (Springer-Verlag, Berlin, 1981).

Kintz, G. J.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

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

Koechner, W.

W. Koechner, Solid State Laser Engineering, 2nd ed. (Springer-Verlag, Berlin, 1988), p. 50.

Macfarlane, R. M.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Morrison, C. A.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Moulton, P. F.

P. F. Moulton, in Laser Handbook, M. Bass, M. L. Stitch, eds. (North-Holland, Amsterdam, 1985), Vol. 5, p. 203.

Petty, C. C.

J. A. Curcio, C. C. Petty, J. Opt. Am. 41, 302 (1951).
[CrossRef]

Quarles, G. J.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Stoneman, R. C.

R. C. Stoneman, L. Esterowitz, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings SeriesM. L. Shand, H. P. Jenssen, eds. (Optical Society of America, Washington, D.C., 1989), p. 157.

Turner, G. A.

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Walling, J. C.

J. C. Walling, in Tunable Lasers, L. F. Mollenauer, J. C. White, eds. (Springer-Verlag, Berlin, 1987), p. 331.

IEEE J. Quantum Electron. (1)

L. F. Johnson, H. J. Guggenheim, IEEE J. Quantum Electron. QE-10, 442 (1974).
[CrossRef]

J. Opt. Am. (1)

J. A. Curcio, C. C. Petty, J. Opt. Am. 41, 302 (1951).
[CrossRef]

Phys. Rev. B (1)

J. B. Gruber, M. E. Hills, R. M. Macfarlane, C. A. Morrison, G. A. Turner, G. J. Quarles, G. J. Kintz, L. Esterowitz, Phys. Rev. B 40, 9464 (1989).
[CrossRef]

Other (6)

P. F. Moulton, in Laser Handbook, M. Bass, M. L. Stitch, eds. (North-Holland, Amsterdam, 1985), Vol. 5, p. 203.

J. C. Walling, in Tunable Lasers, L. F. Mollenauer, J. C. White, eds. (Springer-Verlag, Berlin, 1987), p. 331.

A. A. Kaminskii, Laser Crystals (Springer-Verlag, Berlin, 1981).

W. Koechner, Solid State Laser Engineering, 2nd ed. (Springer-Verlag, Berlin, 1988), p. 50.

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

R. C. Stoneman, L. Esterowitz, in Tunable Solid State Lasers, Vol. 5 of OSA Proceedings SeriesM. L. Shand, H. P. Jenssen, eds. (Optical Society of America, Washington, D.C., 1989), p. 157.

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Figures (6)

Fig. 1
Fig. 1

Spectrum of fluorescence from the Tm3+3F4 level in YAG.

Fig. 2
Fig. 2

Resonant pumping diagram for the 2-μm Tm3+ laser.

Fig. 3
Fig. 3

Absorption spectrum of 12% Tm:YAG.

Fig. 4
Fig. 4

Tm:YSGG laser output power versus the wavelength for three values of the absorbed pump power Pabs, with T = 0.5% output coupling.

Fig. 5
Fig. 5

Tm:YAG laser output power versus the wavelength for four values of Pabs with (a) T = 0.5% and (b) T = 2.5% output coupling.

Fig. 6
Fig. 6

Output power versus Pabs at several wavelengths for the Tm:YAG laser, with the indicated slope efficiencies η.

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