Abstract
Tens-of-µJ-level, narrowband difference-frequency generation at discrete wavelengths of 4.6, 5.4, 7.5, and 9.2 µm in LiGaS2 or LiGaSe2 crystals under 20 ps Nd:YAG laser pumping and various crystalline (CaCO3, BaWO4, diamond) Raman laser seeding is presented.
© 2020 The Author(s)
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