基于LGSe晶体且泵浦波长为1.6μm的中红外光学参量放大器。
Mid-infrared optical parametric amplifier based on a LGSe crystal and pumped at 1.6 μm.
作者信息
Pelletier Etienne, Sell Alexander, Leitenstorfer Alfred, Miller R J Dwayne
机构信息
Department of Chemistry, University of Toronto, Toronto, Ontario, Canada.
出版信息
Opt Express. 2012 Dec 3;20(25):27456-64. doi: 10.1364/OE.20.027456.
We demonstrate the generation of 22.6 μJ of combined energy at 3 μm for sub-300fs pulses at a repetition rate of 1 kHz using a LGSe optical parametric amplifier (OPA). The LGSe OPA is pumped by the 140-fs 1.6 μm pulses from a 300-mW KTA optical parametric chirped pulse amplifier (OPCPA) based on an all-optical synchronization scheme. By using a highly-nonlinear fiber, the output of an erbium-doped fiber laser operating at 1560 nm is shifted to 1050 nm in order to coherently seed a Nd:YLF regenerative amplifier. The LGSe OPA is seeded using the MIR coming from the amplification of the 1.6 μm in the OPCPA.
我们展示了使用LGSe光学参量放大器（OPA），以1kHz的重复频率，为亚300fs脉冲在3μm波长处产生22.6μJ的组合能量。LGSe OPA由基于全光同步方案的300mW KTA光学参量啁啾脉冲放大器（OPCPA）产生的140fs、1.6μm脉冲泵浦。通过使用高非线性光纤，将工作在1560nm的掺铒光纤激光器的输出波长转换至1050nm，以便相干地注入Nd:YLF再生放大器。LGSe OPA使用来自OPCPA中1.6μm光放大产生的中红外光（MIR）进行注入。
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