A monolithic optical sensor based on whispering-gallery modes in polystyrene microspheres
Julie Lutti, Wolfgang Langbein, and Paola Borri
We experimentally demonstrate a monolithic sensor based on sharp whispering-gallery optical resonances of polystyrene microspheres in water attached onto an optical coupler via a solid separation layer index matched to water. A Q-factor of 0.9 x 10 is measured on a microsphere of 44 [mu]m diameter ... [Appl. Phys. Lett. 93, 151103 (2008)] published Mon Oct 13, 2008.
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We experimentally demonstrate a monolithic sensor based on sharp whispering-gallery optical resonances of polystyrene microspheres in water attached onto an optical coupler via a solid separation layer index matched to water. A Q-factor of 0.9 x 10 is measured on a microsphere of 44 [mu]m diameter ... [Appl. Phys. Lett. 93, 151103 (2008)] published Mon Oct 13, 2008.
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