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|Title:||Suspended core fibers for the transmission of cylindrical vector modes|
Afshar Vahid, S.
|Citation:||Journal of Lightwave Technology, 2016; 34(24):5620-5626|
|Hong Ji, Yinlan Ruan, Shahraam Afshar Vahid, Heike Ebendorff-Heidepriem, and Tanya M. Monro|
|Abstract:||This paper presents a study of propagation of radially and azimuthally polarized cylindrical vector modes in six-strut suspended core fibers based on finite element simulations. The study shows large effective index differences in order of 10-⁻³-10⁻² of these modes can be achieved in the suspended core fibers with core diameter of less than 2 μm, material index 1.45 of silica to 2.0 of tellurite and wavelength of 750 nm, allowing the stable propagation of the first higher order modes in doughnut shape within these fibers. The effective index difference and the field intensity of these cylindrical vector modes can be tuned by selecting appropriate fiber material and core size. The study shows that the suspended core fiber can be a competitive candidate for fiber-based highresolution stimulated emission depletion (STED) nanoscopy application.|
|Keywords:||Fiber optics; fibers polarization maintaining; fiber fluorescence microscopy; laser beam shaping; optical vortices; optical fiber device; polarization-selective devices|
|Description:||Date of Publication: 28 October 2016|
|Rights:||Copyright © 2016 IEEE|
|Appears in Collections:||IPAS publications|
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