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Evaluation of Optical Properties of Self-Frequency-Doubling Crystal Yb:GdYAl3(BO3)4 for Laser Applications |
| LI Jing1,2;LI Qiang1;WANG Ji-Yang2;ZHAO Hong-Yang2 |
| 1Department of Chemistry, Tsinghua University, Beijing 1000842The State Key Lab of Crystal Materials, Shandong University, Jinan 250100 |
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| Cite this article: |
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LI Jing, LI Qiang, WANG Ji-Yang et al 2007 Chin. Phys. Lett. 24 2249-2251 |
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Abstract Yb:GdYAl3(BO3)4(Yb:GdYAB) is investigated as a new laser crystal for potential applications in self-frequency doubling. The emission and absorption properties of Yb:GdYAB crystal are studied, and the emission decay times of the upper laser level are measured. The emission cross sections are evaluated using the absorption cross section and principle of reciprocity. The other laser performance parameters, such as the minimum inversion fraction βmin, pump saturation intensity Isat and minimum pump intensity Imin, are also calculated. The results are discussed in the framework of requirements for an effective diode-pumped Yb3+ laser system. Yb:GdYAB is expected to exhibit the most useful laser properties and to be superior to Yb:YAB crystal
that has been excellent self-frequency-doubling crystal at present in many key spectroscopic parameter values.
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| Keywords:
42.70.-a
74.25.Gz
78.20.-e
71.70.Ch
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Received: 21 March 2007
Published: 25 July 2007
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| PACS: |
42.70.-a
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(Optical materials)
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74.25.Gz
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(Optical properties)
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78.20.-e
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(Optical properties of bulk materials and thin films)
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71.70.Ch
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(Crystal and ligand fields)
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