Using third-harmonic microscopy to measure ultrafast phase transition in vanadium dioxide
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The measurement of ultrafast phase transition in vanadium dioxide was investigated using third-harmonic microscopy. A long cavity Cr 4+:forsterite femtosecond oscillator generating pulses ∼50 fs in duration with the output energy >10 nJ, was used for the investigation. The density dependence of the third harmonic amplitude as a function of the intensity of the incident radiation was measured. the temperature-dependent measurements show evidence of hysteresis behavior of the phase transformation on a microscopic scale.
author list (cited authors)
Petrov, G., Yakovlev, V., & Squier, J.
complete list of authors
Petrov, G||Yakovlev, V||Squier, J