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Type: Journal article
Title: Tellurite microspheres for nanoparticle sensing and novel light sources
Author: Ruan, Y.
Boyd, K.
Ji, H.
Ebendorff-Heidepriem, H.
Munch, J.
Monro, T.
Citation: Optics Express, 2014; 22(10):11995-12006
Publisher: Optical Society of America
Issue Date: 2014
ISSN: 1094-4087
Organisation: Institute for Photonics & Advanced Sensing (IPAS)
Statement of
Yinlan Ruan, Keiron Boyd, Hong Ji, Alexandre Francois, Heike Ebendorff-Heidepriem, Jesper Munch, and Tanya M. Monro
Abstract: High index Er-Yb codoped tellurite spheres with diameter of 9 μm and good sphericity were fabricated using a CO(2) laser. Upconversion modulated whispering gallery modes with a quality factor of 45,000 were observed in the sphere dipped in methanol. Refractometric sensing with detection sensitivity of 7.7 nm/RIU was demonstrated using a 9 μm diameter sphere. Such high index spheres have the potential to be used for nanoparticle sensing and mid-IR frequency conversion.
Rights: © 2014 Optical Society of America
RMID: 0030000045
DOI: 10.1364/OE.22.011995
Grant ID:
Appears in Collections:IPAS publications

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