Abstract

Studies of the spectroscopic and lasing properties of Nd3+-doped LuPO4 are reported. LuPO4 permits incorporation of lanthanide dopants in high concentration. We report the absorption and luminescence properties of Nd3+ ions doped at 10% in this host. Promising laser performance with diode laser pumping is also described.

© 1999 Optical Society of America

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References

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  1. J. J. Zayhowski and A. Mooradian, “Single-frequency microchip Nd lasers,” Opt. Lett. 14, 24–26 (1989).
    [CrossRef] [PubMed]
  2. J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
    [CrossRef]
  3. M. H. Grimsditch and A. K. Ramdas, “Elastic and elasto-optic constants of rutile from a Brillouin scattering study,” Phys. Rev. B 14, 1670–1682 (1976).
    [CrossRef]
  4. H. G. Danielmeyer and H. P. Weber, “Fluorescence in neodymium ultraphosphate,” IEEE J. Quantum Electron. QD-8, 805–808 (1972).
    [CrossRef]
  5. W. F. Krupke, M. D. Shinn, J. E. Marion, J. A. Caird, and S. E. Stokowski, “Spectroscopic, optical, and thermomechanical properties of neodymium- and chromium-doped gadolinium scandium gallium garnet,” J. Opt. Soc. Am. B 3, 102–113 (1986).
    [CrossRef]
  6. P. F. Moulton, “Spectroscopic and laser characteristics of Ti:Al2O3,” J. Opt. Soc. Am. B 3, 125–132 (1986).
    [CrossRef]
  7. W. F. Krupke, “Induced-emission cross sections in neodymium laser glasses,” IEEE J. Quantum Electron. QE-10, 450–457 (1974).
    [CrossRef]
  8. T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
    [CrossRef]
  9. P. R. Norton, “Photodetectors,” in Handbook of Optics, 2nd ed., M. Bass, ed. (McGraw-Hill, New York, 1995), Vol. 1, Chap. 15.
  10. A. Rapaport and M. Bass, “The role of stimulated emission in luminescence dynamics,” presented at the Optical Society of America Annual Meeting, Baltimore, Maryland, October 4–9, 1998, Paper FQ3.
  11. T. Y. Fan and R. L. Byer, “Diode laser-pumped solid-state lasers,” IEEE J. Quantum Electron. 24, 895–912 (1988).
    [CrossRef]

1996 (1)

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

1989 (1)

1988 (1)

T. Y. Fan and R. L. Byer, “Diode laser-pumped solid-state lasers,” IEEE J. Quantum Electron. 24, 895–912 (1988).
[CrossRef]

1986 (2)

1982 (1)

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

1976 (1)

M. H. Grimsditch and A. K. Ramdas, “Elastic and elasto-optic constants of rutile from a Brillouin scattering study,” Phys. Rev. B 14, 1670–1682 (1976).
[CrossRef]

1974 (1)

W. F. Krupke, “Induced-emission cross sections in neodymium laser glasses,” IEEE J. Quantum Electron. QE-10, 450–457 (1974).
[CrossRef]

1972 (1)

H. G. Danielmeyer and H. P. Weber, “Fluorescence in neodymium ultraphosphate,” IEEE J. Quantum Electron. QD-8, 805–808 (1972).
[CrossRef]

Abraham, M. M.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Boatner, L. A.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Byer, R. L.

T. Y. Fan and R. L. Byer, “Diode laser-pumped solid-state lasers,” IEEE J. Quantum Electron. 24, 895–912 (1988).
[CrossRef]

Caird, J. A.

Conway, J. G.

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Danielmeyer, H. G.

H. G. Danielmeyer and H. P. Weber, “Fluorescence in neodymium ultraphosphate,” IEEE J. Quantum Electron. QD-8, 805–808 (1972).
[CrossRef]

Edelstein, N.

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Fan, T. Y.

T. Y. Fan and R. L. Byer, “Diode laser-pumped solid-state lasers,” IEEE J. Quantum Electron. 24, 895–912 (1988).
[CrossRef]

Grimsditch, M.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

Grimsditch, M. H.

M. H. Grimsditch and A. K. Ramdas, “Elastic and elasto-optic constants of rutile from a Brillouin scattering study,” Phys. Rev. B 14, 1670–1682 (1976).
[CrossRef]

Hayhurst, T.

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Kern, S.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

Krupke, W. F.

Loong, C. K.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

Marion, J. E.

Mooradian, A.

Moulton, P. F.

Nipko, J.

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

Ramdas, A. K.

M. H. Grimsditch and A. K. Ramdas, “Elastic and elasto-optic constants of rutile from a Brillouin scattering study,” Phys. Rev. B 14, 1670–1682 (1976).
[CrossRef]

Shalimoff, G.

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

Shinn, M. D.

Stokowski, S. E.

Weber, H. P.

H. G. Danielmeyer and H. P. Weber, “Fluorescence in neodymium ultraphosphate,” IEEE J. Quantum Electron. QD-8, 805–808 (1972).
[CrossRef]

Zayhowski, J. J.

IEEE J. Quantum Electron. (3)

H. G. Danielmeyer and H. P. Weber, “Fluorescence in neodymium ultraphosphate,” IEEE J. Quantum Electron. QD-8, 805–808 (1972).
[CrossRef]

W. F. Krupke, “Induced-emission cross sections in neodymium laser glasses,” IEEE J. Quantum Electron. QE-10, 450–457 (1974).
[CrossRef]

T. Y. Fan and R. L. Byer, “Diode laser-pumped solid-state lasers,” IEEE J. Quantum Electron. 24, 895–912 (1988).
[CrossRef]

J. Chem. Phys. (1)

T. Hayhurst, G. Shalimoff, J. G. Conway, N. Edelstein, L. A. Boatner, and M. M. Abraham, “Optical spectra and Zeeman effect for Pr3+ and Nd3+ in LuPO4 and YPO4,” J. Chem. Phys. 76, 3960–3966 (1982).
[CrossRef]

J. Opt. Soc. Am. B (2)

Opt. Lett. (1)

Phys. Rev. B (2)

J. Nipko, M. Grimsditch, C. K. Loong, S. Kern, M. M. Abraham, and L. A. Boatner, “Elastic-constant anomalies in YbPO4,” Phys. Rev. B 53, 2286–2290 (1996).
[CrossRef]

M. H. Grimsditch and A. K. Ramdas, “Elastic and elasto-optic constants of rutile from a Brillouin scattering study,” Phys. Rev. B 14, 1670–1682 (1976).
[CrossRef]

Other (2)

P. R. Norton, “Photodetectors,” in Handbook of Optics, 2nd ed., M. Bass, ed. (McGraw-Hill, New York, 1995), Vol. 1, Chap. 15.

A. Rapaport and M. Bass, “The role of stimulated emission in luminescence dynamics,” presented at the Optical Society of America Annual Meeting, Baltimore, Maryland, October 4–9, 1998, Paper FQ3.

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Figures (7)

Fig. 1
Fig. 1

Absorption cross sections of 10% Nd3+:LuPO4 at room temperature: π polarization (top curve); σ polarization (bottom curve).

Fig. 2
Fig. 2

Emission cross section of the transitions originating from the  4F3/2 level in 10% Nd3+:LuPO4 at room temperature: π polarization (top curves); σ polarization (bottom curves).

Fig. 3
Fig. 3

Energy-level diagram of Nd3+ in LuPO4. Also indicated are the strongest transitions for ground-state absorption and for emission in the 1.06- and 1.33-µm regions.

Fig. 4
Fig. 4

Absorption in the visible of 10% Nd3+:LuPO4 at room temperature. The arrows indicate the energy reached by reabsorption of the potential lasing wavelengths by ions in the excited state  4F3/2: π polarization (thick curve); σ polarization (thin curve).

Fig. 5
Fig. 5

Sketch of the diode-pumped laser optical system. BFL, back focal length.

Fig. 6
Fig. 6

Output power versus absorbed input power curve for a 1-mm-long crystal of 10% Nd3+:LuPO4. The back mirror was highly reflective at 1.064 µm and antireflective at the diode-laser pumping wavelength 804.4 nm. Its radius of curvature was 5 cm. The front mirror was flat and 90% reflective at 1.064 µm.

Fig. 7
Fig. 7

Absorbed power at lasing threshold for 10% Nd3+:LuPO4 versus -ln(R), where R is the reflectivity of the output mirror.

Tables (1)

Tables Icon

Table 1 Emission from the  4F3/2 Level of Nd3+:LuPO4

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

σ=ODln(10)LN,
σ(IK, λ)=38πλ5β(IK)n2cτI(λ)IK[Iπ(λ)+2Iσ(λ)]λdλ,
A(IK)=8πcn23λIK2IK[σπ(IK, ν˜)+2σσ(IK, ν˜)]dν˜,
Pth=πhνpδ4σeηpτ(w02+wp2),
δ=-ln(R)+L,
Pth=πhνp4σeηpτ(w02+wp2)L-ln(R)πhνp4σeηpτ(w02+wp2).

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