Investigation of Cr:YAG passive mode-locking in a pulsed Nd:YAG laser |
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| Authors: | Wang Jiaxian Zhang Wenzhen Xing Qirong Wang Qingyue |
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| Institution: | aDepartment of Physics, Huaqiao University, Quanzhou 362011, Fujian, People’s Republic of China;bUltrafast Laser Laboratory, Tianjin University, Tianjin 300072, People’s Republic of China |
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| Abstract: | Passive mode-locking of a pulsed Nd:YAG laser using a Cr4+:YAG saturable absorber was realized for the first time in a nearly critical stable resonator containing an antiresonant ring structure. The output energy and pulse duration are 13.5 mJ and 180 ps, respectively. The recovery time and saturable intensity for excited-state absorption of Cr4+:YAG under the action of strong laser pulses were calculated from rate equations. |
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| Keywords: | Cr4+:YAG Passive mode-locking Excited state absorption CPM Nd:YAG laser Recovery time |
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