Chin. Phys. Lett.  2019, Vol. 36 Issue (3): 034201    DOI: 10.1088/0256-307X/36/3/034201
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Laser-Diode Pumped Passive Q-Switched Laser with Quick Tunable Pulse-Width Capability
Teng Sun, Jian-Guo Xin**, Yu-Chen Song
School of Information and Electronics, Beijing Institute of Technology, Beijing 100081
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Teng Sun, Jian-Guo Xin, Yu-Chen Song 2019 Chin. Phys. Lett. 36 034201
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Abstract A laser-diode pumped passive Q-switched Nd:YAG/Cr$^{4+}$:YAG laser with quick tunable pulse-width capability is studied and experimentally demonstrated. By focusing the auxiliary controlling laser beam onto a Cr$^{4+}$:YAG crystal and thereby changing the initial transmission of the Cr$^{4+}$:YAG crystal, laser pulses with different pulse widths can be achieved. The obtained laser pulse width is tunable in the range of 550–1492 ps with a fixed cavity length of 7 mm. The laser can be used to achieve different pulse widths between two pulses in the range of sub-nanosecond to a few tens of nanoseconds.
Received: 15 November 2018      Published: 24 February 2019
PACS:  42.60.By (Design of specific laser systems)  
  42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)  
  42.60.Gd (Q-switching)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/36/3/034201       OR      https://cpl.iphy.ac.cn/Y2019/V36/I3/034201
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Teng Sun
Jian-Guo Xin
Yu-Chen Song
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