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23 January 2006 Whispering gallery mode resonators for microlasers and microsensors
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Proceedings Volume 6029, ICO20: Materials and Nanostructures; 602903 (2006) https://doi.org/10.1117/12.667660
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
In dielectric spheres light can be guided through high-Q whispering- gallery-modes (WGMs) with an unique combination of strong temporal and spatial confinement of light. Glass microspheres are then of interest for a large number of applications including compact lasers sources and biological sensing. Here we first review some basics of spherical resonators and we then focus our attention on these two applications. We describe the fabrication of both the microspheres and the tapered fibers and we demonstrate efficient coupling of light from the tapered fiber to the microspheres. We report some results on WGM microlasers in different types of erbium-doped glasses and finally a brief overview of the state of the art of microspherical biological sensors is presented.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G. C. Righini, M. Brenci, A. Chiasera, P. Feron, M. Ferrari, G. Nunzi Conti, and S. Pelli "Whispering gallery mode resonators for microlasers and microsensors", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 602903 (23 January 2006); https://doi.org/10.1117/12.667660
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