| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A 52-mJ Ho:YAG Master Oscillator and Power Amplifier with Kilohertz Pulse Repetition Frequency |
| QIAN Chuan-Peng, YAO Bao-Quan, DUAN Xiao-Ming**, JU You-Lun, YU Kuai-Kuai, 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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QIAN Chuan-Peng, YAO Bao-Quan, DUAN Xiao-Ming et al 2014 Chin. Phys. Lett. 31 094201 |
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Abstract We report on a high energy, high repetition rate Ho:YAG master oscillator and power amplifier (MOPA), resonantly dual-end-pumped by Tm:YLF lasers at room temperature. At the pulse repetition frequency of 1 kHz, we demonstrate a maximum energy of 30 mJ per pulse with a 28.2 ns pulse width in a Ho:YAG oscillator system resonantly double-end-pumped by Tm:YLF lasers. A maximum energy of 52 mJ per pulse with a 30.5 ns pulse width is achieved in the Ho:YAG amplifier, corresponding to a peak power of approximately 1.7 MW. The output wavelength is at 2090.6 nm and 2096.9 nm, and a beam quality factor of M2～2.1 is achieved.
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Published: 22 August 2014
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| PACS: |
42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.Gd
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(Q-switching)
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42.55.Xi
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(Diode-pumped lasers)
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