Generation of femtosecond laser pulses at 263 nm by K3B6O10Cl crysta<xref rid="cpb_26_6_064208_fn1" ref-type="fn">*</xref><fn id="cpb_26_6_064208_fn1"> <label>*</label> Project supported by the National Key Basic Research Program of China (Grant No. 2013CB922402), the Key Program of the National Natural Science Foundation of China (Grant Nos. 11434016 and 61575219), and the International Joint Research Program of the National Natural Science Foundation of China (Grant No. 61210017). </fn>

Generation of femtosecond laser pulses at 263 nm by K₃B₆O₁₀Cl crysta^* *

Project supported by the National Key Basic Research Program of China (Grant No. 2013CB922402), the Key Program of the National Natural Science Foundation of China (Grant Nos. 11434016 and 61575219), and the International Joint Research Program of the National Natural Science Foundation of China (Grant No. 61210017).

Zhang Ning-Hua¹, Fang Shao-Bo², He Peng¹, Huang Hang-Dong¹, Zhu Jiang-Feng¹, Tian Wen-Long¹, Wu Hong-Ping³, Pan Shi-Lie^{3, †}, Teng Hao², Wei Zhi-Yi^{2, ‡}

(color online) Schematic diagram of the experimental setup. 5:1 and 2:1: Galilean telescopes, DM: dichroic mirror, HR1 and HR2: 45° high reflection-coated mirrors for FF light, HR3-HR6: 45° high reflection-coated mirrors for SH light, HWP: half-wave plate, DL: delay line for FF-SH temporal overlap. Inset shows the crystals used in the experiment.