文档介绍
We experimentally verify that surface plasmon (SP) enhances the photoluminescence (PL) of visible lightfrom Tb3+-doped 60SiO2-20Al2O320CaF2:0.3Tb3+, 20Yb3+glass ceramics by using electron beam lithog-raphy to fabricate silver nanoparticles on the surface of the glassceramics. Numerical calculation for theSP enhancement spectroscopy is achieved by using the finite-difference time-domain algorithm. A PLenhancement of Tb3+by as much as 1.6 times is observed. The PL enhancement is mainly due to thecoupling of excitation fromF6to5D4transition dipole of Tb3+ion with SP mode induced from the silvernanoparticles.
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光学
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