IR tunable narrow-band nanosecond converter with a microchip pump source and periodically-poled Lithium Niobate

IR tunable narrow-band nanosecond converter with a microchip pump source and periodically-poled Lithium Niobate
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DOI：
10.1002/lapl.200710126
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发表时间：
2008-04
期刊：
Laser Physics Letters
影响因子：
1.7
通讯作者：
A. Kir'yanov;S. Klimentov;P. Powers;I. Mel'nikov;Y. Korkishko
A. Kir'yanov;S. Klimentov;P. Powers;I. Mel'nikov;Y. Korkishko
中科院分区：
物理与天体物理4区
文献类型：
--
作者：
A. Kir'yanov;S. Klimentov;P. Powers;I. Mel'nikov;Y. Korkishko

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报道了一种基于光学参量产生的紧凑型纳秒光源，该光源采用Nd ~（3+）：YAG/Cr ~（4+）：YAG微片激光器抽运，在1.064 μm波长下，在中红外波段产生可调谐的衍射极限光束，在较低的抽运脉冲能量（μJs）下，器件效率可达30%，利用DFB激光器提供的低功率连续波种子，其光谱可窄至0.2nm。
We report a compact nanosecond source based on optical parametric generation in a periodically-poled Lithium Niobate slab pumped with a Nd3+:YAG/Cr4+:YAG microchip laser at the wavelength 1.064 μm and capable of generating a diffraction-limited beam widely tunable through the mid-IR. The device efficiency is shown to reach 30% at relatively low (units of μJs) pump pulse energy and its spectrum to be narrowed down to 0.2 nm using low-power CW seed provided by a DFB laser.