11 June 2003 Whispering gallery modes in glass microspheres made by simple technology
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A simple technique to form glass microresonators is proposed and used to make microresonators of samarium-doped phosphate glass. Measured in the vicinity of 4G5/2 - 6H7/2 transition of Sm3+ ion photoluminescence spectra of the microresonators gave the value of Q-factor approximately 6000. This exceeds the Q-factor of glass microspeherts made with conventional flyway technique.
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D. V. Gaikov, Elene V. Kolobkova, A. A. Lipovskii, V. G. Melehin, Vladimir G. Petrikov, "Whispering gallery modes in glass microspheres made by simple technology", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); doi: 10.1117/12.511772; https://doi.org/10.1117/12.511772

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