We report the observation of whispering-gallery modes in 2 lm-sized SiO2/ZrO2 core/shell beads utilized as all-dielectric Raman enhancers. This allows us to achieve simultaneous optical and Raman ultrasensitive detection with a single spectral analysis. This opportunity opens exciting perspectives for the multimodal chemical sensing and fabrication of optical fiber devices.
ZORRO: Zirconium oxide resonators for all-in-one Raman and whispering-gallery-mode optical sensing
Bontempi, N.Membro del Collaboration Group
;Vassalini, I.;DANESI, STEFANOMembro del Collaboration Group
;Alessandri, I.
2017-01-01
Abstract
We report the observation of whispering-gallery modes in 2 lm-sized SiO2/ZrO2 core/shell beads utilized as all-dielectric Raman enhancers. This allows us to achieve simultaneous optical and Raman ultrasensitive detection with a single spectral analysis. This opportunity opens exciting perspectives for the multimodal chemical sensing and fabrication of optical fiber devices.File in questo prodotto:
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