Nonlinear transmission of V2 O3 films under the influence of IR laser irradiation
2020 International Conference Laser Optics (ICLO)（2020）
Abstract
Nonlinear optical structures based on V
2
O
3
films on Al
2
O
3
substrate were synthesized by laser ablation. Sample placed in the nitrogen filling cryostat with optical windows have operated in temperature T=70-300 K. It was irradiated by nanosecond laser pulses at wavelength of 4.8 mkm. Reduction pulse energy of 350 mkJ obtained experimentally at T=140 K have exceeded 22 times.
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Key words
vanadium trioxide,thin film,phase transition,radiation limiting
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