https://doi.org/10.1140/epjd/s10053-023-00635-3
Regular Article – Optical Phenomena and Photonics
Optical switching in molybdenum trioxide (MoO3)-doped vanadium pentaoxide (V2O5) thin films using Fabry–Perot cavity
1
Laser Laboratory, Department of Physics, Guru Jambheshwar University of Science and Technology, 125001, Hisar, Haryana, India
2
Department of Physics, IKGPTU, Jalandhar, Punjab, India
Received:
22
August
2022
Accepted:
14
March
2023
Published online:
4
April
2023
During the present work, molybdenum trioxide (MoO3)-doped vanadium pentaoxide (V2O5) thin films of different concentrations (4 wt%, 6 wt%, and 8 wt%) at two different thicknesses are deposited by standard thermal evaporation method on a glass substrate. Fourier transform infrared study and field-emission scanning electron microscopy are employed for structural and surface morphology characterization. The effects of thickness and concentration on the surface morphology and optical switching properties of the films are studied comprehensively. The optical switching behavior of molybdenum trioxide-doped vanadium pentaoxide (MoO3:V2O5) thin films is reported by using a Fabry–Perot cavity at the second harmonic wavelength (532 nm) of nanosecond Nd:YAG laser. The optical nonlinear parameters, viz. nonlinear refractive index (n2) and cubic susceptibility (χ3), of the material are obtained from optical switching characteristics. Optical switching action based on Kerr effect with a minimum recovery time of 5 ms is reported.
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