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Broadband second-harmonic-generation (SHG) in GdCOB crystals was demonstrated for the first time. Theoretical calculation and experiments for the type-I frequency doubling of GdCOB crystal was performed. The result revealed that… Click to show full abstract
Broadband second-harmonic-generation (SHG) in GdCOB crystals was demonstrated for the first time. Theoretical calculation and experiments for the type-I frequency doubling of GdCOB crystal was performed. The result revealed that the spectral retracing point of phase-matching angle was at around 1.65 µm. For broadband fundamental laser source tuning in the range of 1.55-1.7 µm, efficient SHG was realized, the highest conversion efficiency was 56%, and the output bandwidth reached 16 nm.
Keywords:
broadband second;
harmonic generation;
second harmonic;
gdcob crystals
Journal Title: Optics express
Year Published: 2022
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Journal Title: Optics express
Year Published: 2022
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!