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Cadmium sulfide (CdS) nanoparticles (NPs) were successfully incorporated in three kinds of CTAB-templated mesoporous silica materials: mesoporous silica spheres (MSS) suspended in ethanol solution, MSS spin-coated on glass slide and dip-coated mesoporous silica thin film (MSTF). The optical nonlinearities of these three composites as well as CdS NPs loaded in P123-templated MSTF were measured with...
Due to the noninvasive and functional natures of higher-harmonics generation, harmonics optical microscopy provides an excellent tool to study the early developmental dynamics of vertebrate nervous system without any extrinsic or intrinsic fluorophores.
Functional third-harmonic-generation (THG) microscopy is proposed/demonstrated by labeling the samples with silver nanoparticles. Over 100-fold THG enhancement can be observed by coinciding the signal frequency with the surface-plasmon-resonance frequency of <50-nm silver nanoparticles.
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