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25 October 2000 Transient relaxation of optical transmissivity of composite thin films with different nanoscale Ag particles
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Abstract
The development of photon devices requires the materials with high optical response speed. A type of composite thin films composed of nano-scale Ag particles and barium oxide medium was fabricated. There were two methods in the formation of the thin films: single metallic layer method and triple metallic layer method. The thickness of the thin films in different formation methods was approximately 150 nm or 300 nm, while, Ag particles had an average diameter of 20 nm or 15 nm. A pump-probe method was used for measuring the transient change of optical transmissivity of thin films which were stimulated by ultrashort laser pulses of duration 150 fs and wavelength 647 nm. The Ag-BaO thin films presented that the transmissivity increased rapidly.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
JinLei Wu, ChuanMin Wang, QiFeng Zhang, BeiXue Xu, and YingHua Zou "Transient relaxation of optical transmissivity of composite thin films with different nanoscale Ag particles", Proc. SPIE 4102, Inorganic Optical Materials II, (25 October 2000); https://doi.org/10.1117/12.405297
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