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Generation of high-energy narrowband 2.05  μm pulses for seeding a Ho:YLF

Yanchun Yin, Xiaoming Ren, Yang Wang, Fengjiang Zhuang, Jie Li, and Zenghu Chang

Photonics Research Vol. 6, Issue 1, pp. 1-5 (2018) •https://doi.org/10.1364/PRJ.6.000001


We experimentally demonstrate efficient generation of high-energy (82 μJ) narrowband 2.05 μm pulses pumped with 1 mJ broadband Ti:sapphire laser pulses, utilizing dual-chirped optical parametric amplification (DC-OPA) in a BBO crystal. The narrowband 2.05 μm pulses will be primarily used for seeding an Ho:YLF laser, which solves the synchronization issue when Ti:sapphire and Ho:YLF lasers are needed for developing midinfrared lasers. The narrowband 2.05 μm pulse from the unique DC-OPA design can seed the Ho:YLF laser much more efficiently than the broadband 2.05 μm pulse from traditional OPA technology.


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