Radial order dependence of the gas sensing sensitivity of whispering gallery mode microspheres (CROSBI ID 310826)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Zhivotkov, Daniil ; Ristić, Davor ; Thalakkal, Snigdha Thekke ; Gašparić, Vlatko ; Romanova, Elena ; Ivanda, Mile
engleski
Radial order dependence of the gas sensing sensitivity of whispering gallery mode microspheres
Silica microspheres were coated with a porous silica layer. The wavelength shift of the whispering gallery modes of the coated microsphere was used to detect small traces of ammonia vapors. The sensing sensitivities of different modes of the same microsphere were found to differ greatly, which is attributed to the modes having different radial indices. This effect was found to be more pronounced in the microspheres coated with thicker coatings.
Gas sensing ; Microresonators ; Optics ; Whispering gallery modes
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