Ning Wen, Nan Wang, Nan Zong, Xue-Chun Lin, Hong-Wei Gao, Yong Bo, Qin-Jun Peng, Da-Fu Cui, Zu-Yan Xu. High-energy, hundred-picosecond pulsed 266 nm mid-ultraviolet generation by a barium borate crystal[J]. High Power Laser Science and Engineering, 2023, 11(2): 02000e31
- High Power Laser Science and Engineering
- Vol. 11, Issue 2, 02000e31 (2023)
Fig. 1. Schematic diagram of the BBO-SHG setup. Inset: photograph of a BBO crystal with cross-section of 21 mm × 21 mm.
Fig. 2. Calculated mid-UV output energy at 266 nm versus BBO crystal length under a 700 mJ, 532 nm pump with beam radius of 10 mm.
Fig. 3. Mid-UV 266 nm output pulse energy versus input green pump energy at 532 nm.
Fig. 4. (a) Measured 532 nm and (b) simulated 266 nm pulse temporal profiles.
Fig. 5. Spectrum of mid-UV radiation measured by a spectrometer. Inset: far-field (FF) and near-field (NF) 2D beam spatial profiles of the 266 nm mid-UV output.
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