| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Linearly Polarized Ho:YAG Laser at 2.09 μm with Corner Cube Cavity Pumped by Tm:YLF Laser |
| WU Jing, JU You-Lun, DAI Tong-Yu**, LIU Wei, YAO Bao-Quan, WANG Yue-Zhu |
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
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| Cite this article: |
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WU Jing, JU You-Lun, DAI Tong-Yu et al 2015 Chin. Phys. Lett. 32 074207 |
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Abstract A linearly polarized operation Ho:YAG laser at 2090.5 nm with a corner cube cavity is demonstrated. A polarizer with high reflectivity for the s-polarized light at the laser wavelength is employed to achieve a linearly polarized laser. In the same case of resonator length, the corner cube can be used to cut the volume of the Ho:YAG laser and to enhance the stability of the system. The maximum linearly polarized output power of 5.8 W is achieved at the absorbed pump power of 23.3 W, corresponding to a slope efficiency of 29.7%, and the optical-optical conversion efficiency is around 24.9%. The M2 factors of the 2.09 μm laser are 2.4 and 1.2 along the horizontal and vertical directions, respectively.
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Received: 09 March 2015
Published: 30 July 2015
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| PACS: |
42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.60.Pk
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(Continuous operation)
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42.60.Lh
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(Efficiency, stability, gain, and other operational parameters)
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