Optical properties of dye-doped zirconia films by spectroscopic ellipsometry |
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Authors: | Lei Shi Jacklynn Chan Jung Wang Xiao lei Zhu |
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Affiliation: | a Physics Department, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong b Shanghai Institute of Optics and Fine Mechanics, The Chinese Academy of Sciences, Shanghai 201800, China |
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Abstract: | The optical properties of zirconia films doped with rhodamine 6G and oxazine 725 by the sol-gel process were investigated using spectroscopic ellipsometry (SE). Accurate refractive index n and the extinction coefficient k were determined using a three-oscillator classical Lorentz model in the wavelength range of 300-800 nm. The derived refractive index of dye-doped films exhibited anomalous dispersion in the absorption region. Wavelength tunable output lasing action yellow and near-infrared wavelength region was achieved by DFB configuration using zirconia films doped with R6G and oxazine 725. |
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Keywords: | 68.55.Jk 42.55.Mv 42.79.Gn 42.70.Hj |
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