High Power Laser Science and Engineering, Volume. 4, Issue 4, 04000e37(2016)
Deleterious processes of a diode-pumped cesium vapor hollow-core photonic-crystal fiber laser
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Fig. 2. (a) Transverse view of an HC-PCF and (b) the schematic diagram of the diode-pumped cesium vapor HC-PCF laser system.
Fig. 4. Absorbed power, output power, and optical-to-optical efficiency versus pump power in (a) Case 1 and (b) Case 5.
Fig. 5. Absorbed power, output power, and population density (
Table 1. Summary of critical parameters in our model.
View tableView in ArticleTable 1. Summary of critical parameters in our model.
Parameter description Value Reference Partial pressure of He 478.8 Torr This work Partial pressure of $\text{C}_{2}\text{H}_{6}$ 100 Torr This work Cell length $L$ 2 m This work Cell radius $R$ $50~\unicode[STIX]{x03BC}\text{m}$ This work Transverse section of the $D_{2}$ $\unicode[STIX]{x1D70E}_{D_{2}}$ $1.53\times 10^{-9}~\text{cm}^{2}$ [ 13 ]Transverse section of the $D_{1}$ $\unicode[STIX]{x1D70E}_{D_{1}}$ $2.31\times 10^{-9}~\text{cm}^{2}$ [ 13 ]Photo-ionization cross section $\unicode[STIX]{x1D70E}_{\text{photo-ionization}}$ $2.00\times 10^{-17}~\text{cm}^{2}$ [ 14 ]$D_{1}$ $\unicode[STIX]{x1D70F}_{D_{1}}$ 34.9 ns [ 13 ]$D_{2}$ $\unicode[STIX]{x1D70F}_{D_{2}}$ 30.5 ns [ 13 ]Lifetime of $6^{2}D_{5/2,3/2}$ $8^{2}S_{1/2}$ $\unicode[STIX]{x1D70F}_{4}$ 60 ns [ 14 ]Energy pooling rate constant $k_{EP2}$ $7.1\times 10^{-10}~\text{cm}^{3}~\text{s}^{-1}$ [ 15 ]Energy pooling rate constant $k_{EP3}$ $2.8\times 10^{-10}~\text{cm}^{3}~\text{s}^{-1}$ [ 15 ]Penning ionization rate constant $k_{PI}$ $1.0\times 10^{-8}~\text{cm}^{3}~\text{s}^{-1}$ [ 16 ]Recombination rate constant $k_{\text{recombination}}$ $7.124\times 10^{-21}~\text{cm}^{6}~\text{s}^{-1}$ [ 17 ]
Table 2. Different cases investigated in the model.
View tableView in ArticleTable 2. Different cases investigated in the model.
No. Energy pooling Penning ionization Photo-ionization Case 1 $\times$ $\times$ $\times$ Case 2 $\surd$ $\times$ $\times$ Case 3 $\surd$ $\surd$ $\times$ Case 4 $\surd$ $\times$ $\surd$ Case 5 $\surd$ $\surd$ $\surd$
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Guofei An, You Wang, Juhong Han, He Cai, Zhigang Jiang, Ming Gao, Shunyan Wang, Wei Zhang, Hongyuan Wang, Liangping Xue, Jie Zhou. Deleterious processes of a diode-pumped cesium vapor hollow-core photonic-crystal fiber laser[J]. High Power Laser Science and Engineering, 2016, 4(4): 04000e37
Paper Information
Special Issue: HIGH ENERGY DENSITY PHYSICS AND HIGH POWER LASER
Received: Apr. 29, 2016
Accepted: Jun. 27, 2016
Published Online: Jan. 19, 2017
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