Low threshold narrow pulse width eye-safe intracavity optical parametric oscillator at 1573 nm |
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| Authors: | Jieguang Miao Huiming Tan Baoshan Wang Jiying Peng |
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| Institution: | a Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun Jilin 130033, China
b Graduate School of Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | We demonstrate a low threshold operation of a KTP-based intracavity optical parametric oscillator, emitting at 1573 nm, driven by a cw diode-end-pumped actively Q-switched Nd:YVO4 laser. Diode-pump threshold around 0.86 W is achieved, which, to the best of our knowledge, is the lowest one under the similar experimental conditions. Owning to the efficient cavity-dumping effect, a signal pulse width as short as 1.4 ns and peak power higher than 3 kW is obtained, at the incident diode-pump power of 1.3 W and A-O modulating frequency of 9 kHz. Moreover, threshold characteristic for the IOPO is also studied, which is in well agreement with the experimental results. |
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| Keywords: | 42 65 Yj 42 55 Xi 42 60 Gd |
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