Abstract

Oscillation at 5.5μm wavelength has been investigated in the low-phonon, moisture-resistant RbPb2Cl5:Dy3+ crystal in free-running mode at room temperature. In line with our knowledge this is the longest laser wavelength for a rare-earth doped crystal that does not require any special precautions for survival. Spectra and kinetics of luminescence of the new laser crystal were investigated under pumping to 1.3μm absorption band, corresponding to lasing experiments. Emission cross sections were determined for mid-IR transitions. It was found that emission cross section on the H926+F1126H1126 laser transition at 5.5μm wavelength is as high as 0.6×1020cm2.

© 2007 Optical Society of America

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References

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  1. M. C. Nostrand, R. H. Page, S. A. Payne, L. I. Isaenko, and A. P. Yelisseyev, "Optical of properties of Dy3+- and Nd3+-doped KPb2Cl5," J. Opt. Soc. Am. B 18, 264-276 (2001).
    [CrossRef]
  2. K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
    [CrossRef]
  3. A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
    [CrossRef]
  4. N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
    [CrossRef]
  5. K. Rademaker, W. F. Krupke, R. H. Page, and S. A. Payne, "Optical properties of Nd3+- and Tb3+-doped KPb2Br5 and RbPb2Br5 with low nonradiative decay," J. Opt. Soc. Am. B 21, 2117-2129 (2004).
    [CrossRef]
  6. A. A. Kaminskii, Crystalline Lasers: Physical Progresses and Operating Schemes (CRC Press, 1996).

2006 (2)

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

2004 (1)

2001 (1)

1995 (1)

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Butvina, L. N.

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

Dianov, E. M.

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

Dusek, M.

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Isaenko, L. I.

Kaminskii, A. A.

A. A. Kaminskii, Crystalline Lasers: Physical Progresses and Operating Schemes (CRC Press, 1996).

Krupke, W. F.

Lichkova, N. V.

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

Nikl, M.

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Nitsch, K.

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Nostrand, M. C.

Okhrimchuk, A. G.

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

Page, R. H.

Payne, S. A.

Polak, K.

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Rademaker, K.

Rodova, M.

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Shestakov, A. V.

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

Yelisseyev, A. P.

Zagorodnev, V. N.

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

Inorg. Mater. (1)

N. V. Lichkova, V. N. Zagorodnev, L. N. Butvina, A. G. Okhrimchuk, and A. V. Shestakov, "Preparation and optical properties of rare-earth-activated akali metal lead chloride crystals," Inorg. Mater. 42, 81-88 (2006).
[CrossRef]

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

Prog. Cryst. Growth Charact. Mater. (1)

K. Nitsch, M. Dusek, M. Nikl, K. Polak, and M. Rodova, "Ternary alkali lead chlorides: crystal growth, crystal structure, absorption and emission properties," Prog. Cryst. Growth Charact. Mater. 30, 1-22 (1995).
[CrossRef]

Quantum Electron. (1)

A. G. Okhrimchuk, L. N. Butvina, E. M. Dianov, N. V. Lichkova, V. N. Zagorodnev, and A. V. Shestakov, "New laser transition in the RbPb2Cl5:Pr3+ crystal in the 2.3-2.5μm wavelength range," Quantum Electron. 36, 41-44 (2006).
[CrossRef]

Other (1)

A. A. Kaminskii, Crystalline Lasers: Physical Progresses and Operating Schemes (CRC Press, 1996).

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Figures (8)

Fig. 1
Fig. 1

Unpolarized absorption spectra: (a) comparison of f f transition bands in KPC : Dy 3 + (thin curve) and RPC : Dy 3 + (thick curve) crystals; (b) an entire absorption cross-section spectrum of RPC : Dy 3 + ; near-IR region is shown in details at the inset.

Fig. 2
Fig. 2

Energy-level diagram of Dy 3 + ion in RPC crystals with luminescent transitions under excitation to the H 9 2 6 + F 11 2 6 multiplet. Energy positions in cm 1 are depicted to the left of the multiplet notations.

Fig. 3
Fig. 3

Unpolarized luminescence spectra of RPC : Dy 3 + crystals under pumping at 1.3 μ m . Solid curves, luminescence with 0.51 ms lifetime; dashed curves, 5.6 ms lifetime; dotted curve, 13 ms lifetime. Relative intensities within bands with the same lifetime are corrected for apparatus sensitivity. The spectral resolution for 1.32 μ m and 2.44 μ m bands is 15 nm ; for 1.75 μ m and 2.9 μ m bands, 50 nm ; and for 4.3 μ m and 5.5 μ m bands, 100 nm .

Fig. 4
Fig. 4

Setup for measurement of the luminescence kinetics: 1, sample; 2, diaphragm; 3, pump beam; 4, lens, collecting luminescence; 5, spectrometer with a detector; 6, absorber of the pump beam.

Fig. 5
Fig. 5

The spectrally resolved kinetics of the RPC : Dy 3 + luminescence. Detection wavelengths, 1.32 μ m (solid curve), 1.75 μ m (dash curve), 2.9 μ m (dotted curve).

Fig. 6
Fig. 6

Cross-section spectra of the unpolarized emission. The spectral resolution for 1.32 μ m and 2.44 μ m bands is 15 nm ; for 1.75 μ m and 2.9 μ m bands, 50 nm ; for 4.3 μ m and 5.5 μ m bands 100 nm .

Fig. 7
Fig. 7

Oscillogram of the 5.5 μ m oscillation.

Fig. 8
Fig. 8

Dependence of the output oscillation pulse energy upon the pump pulse energy.

Tables (2)

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Table 1 Basic Properties of the KPb 2 Cl 5 and RbPb 2 Cl 5 Crystals

Tables Icon

Table 2 Relaxation Characteristics of Three Least Excited Multiplets of Dy 3 + in RPC Crystals

Equations (7)

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n = ( 1 + ( 1 T 2 ) 0.5 ) T .
β i = F i ( λ ) d λ i = 1 N F i ( λ ) d λ ,
η 1 = 1 1 β 12 + β 1 g F 2 g d λ β 2 g F 1 g d λ ,
W m p 1 = 1 η 1 τ l u m .
W m p = B exp ( α Δ E ) [ 1 exp ( h v max k T ) ] ( Δ E h v max ) ,
q = τ l u m 1 W m p τ l u m 1 .
σ e m ( λ ) = η t h β i λ 4 8 π c n 2 τ l u m F i ( λ ) 0 F i ( λ ) d λ .

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