Abstract

We report a laser cavity measurement of stimulated-emission cross sections for both the 5F15I5 (0.93-μm) and 5F15I6 (1.1-μm) laser transitions of Pm3+ ions in a lead–indium–phosphate glass host. The measured cross sections for these two transitions are 1.8 × 10−20 (±11%) and 2.8 × 10−20 cm2 (±22%), respectively. These values agree with previously reported values based on a Judd–Ofelt-type analysis of spectroscopic data.

© 1989 Optical Society of America

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References

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  1. W. F. Krupke, IEEE J. Quantum Electron. QE-8, 725 (1972).
    [CrossRef]
  2. B. R. Judd, Phys. Rev. 127, 750 (1962).
    [CrossRef]
  3. G. S. Ofelt, J. Chem. Phys. 37, 511 (1962).
    [CrossRef]
  4. W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
    [CrossRef]
  5. M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).
  6. D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
    [CrossRef]
  7. R. A. Brandewic, C. L. Telk, J. Opt. Soc. Am. 57, 1221 (1967).
    [CrossRef]

1988 (1)

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

1987 (1)

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

1972 (1)

W. F. Krupke, IEEE J. Quantum Electron. QE-8, 725 (1972).
[CrossRef]

1967 (1)

1966 (1)

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

1962 (2)

B. R. Judd, Phys. Rev. 127, 750 (1962).
[CrossRef]

G. S. Ofelt, J. Chem. Phys. 37, 511 (1962).
[CrossRef]

Boatner, L. A.

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

Brandewic, R. A.

Clay, R. A.

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Finch, C. B.

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

Findlay, D.

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Judd, B. R.

B. R. Judd, Phys. Rev. 127, 750 (1962).
[CrossRef]

Kirchoff, T. A.

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

Krupke, W. F.

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

W. F. Krupke, IEEE J. Quantum Electron. QE-8, 725 (1972).
[CrossRef]

Ofelt, G. S.

G. S. Ofelt, J. Chem. Phys. 37, 511 (1962).
[CrossRef]

Shinn, M. D.

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

Solarz, R. W.

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

Telk, C. L.

Appl. Phys. Lett. (1)

W. F. Krupke, M. D. Shinn, T. A. Kirchoff, C. B. Finch, L. A. Boatner, Appl. Phys. Lett. 51, 2186 (1987).
[CrossRef]

IEEE J. Quantum Electron. (2)

M. D. Shinn, W. F. Krupke, R. W. Solarz, T. A. Kirchoff, IEEE J. Quantum Electron. QE-24, 6, 1100 (1988).

W. F. Krupke, IEEE J. Quantum Electron. QE-8, 725 (1972).
[CrossRef]

J. Chem. Phys. (1)

G. S. Ofelt, J. Chem. Phys. 37, 511 (1962).
[CrossRef]

J. Opt. Soc. Am. (1)

Phys. Lett. (1)

D. Findlay, R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Phys. Rev. (1)

B. R. Judd, Phys. Rev. 127, 750 (1962).
[CrossRef]

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Figures (2)

Fig. 1
Fig. 1

Laser-pumped laser data for the 5F15I5 transition at 0.93 μm. The plots are the measured output pulse energy versus the laser pump pulse energy for an output coupling of 0.5% (top) and 15% (bottom). The straight lines are least-squares fits to the data, and threshold and slope efficiencies are extracted from the fit. (Top) Threshold, 229 mJ; slope efficiency, 4.4 × 10−4. (Bottom) Threshold, 335 mJ; slope efficiency, 2.7 × 10−3.

Fig. 2
Fig. 2

Plots of the measured pump laser power at the lasing threshold of the 147Pm3+:PIP laser versus the natural log of the effective output coupler reflectivity for the 5F15I5 and 5F15I6 transitions. The slope, the uncertainty in slope, the y intercept, and the uncertainty in the y intercept are extracted from the least-squares fit to the data. (Top) y slope, −1100 mJ (±11%); y intercept, 230 mJ (±2%). (Bottom) y slope, −700 mJ (±22%); y intercept, 211 mJ (±3%).

Equations (7)

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R eff = ( R F + R OC 1 + R F R OC ) 2 ,
exp [ 2 ( n 5 F 1 g 5 F 1 g 5 I 5 n 5 I 5 ) σ 5 F 1 5 I 5 L ] ( 1 δ c ) R eff = 1 ,
n 5 F 1 = E Th h ν p 1 π 2 ω p 2 L F Ξ ,
Ξ = g 5 F 1 g 5 F 1 + g 5 F 2 exp ( Δ E 5 F 1 5 F 2 / k B T ) .
E Th = h ν p 2 σ 5 F 1 5 l 5 1 π 2 ω p 2 [ ln ( 1 δ c ) + ln ( R eff ) ] .
σ 5 F 1 5 I 5 = h ν p 2 ( y slope ) 1 π 2 ω p 2 ,
ln ( 1 δ c ) = y intercept y slope ,

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