| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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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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| Cite this article: |
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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.
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Received: 15 November 2018
Published: 24 February 2019
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| PACS: |
42.60.By
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(Design of specific laser systems)
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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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