Size-dependent optical forces on dielectric microspheres in hollow core photonic crystal fibers
Year: 2022
Authors: Kincaid P.S.; Porcelli A.; Neves A.A.R.; Arimondo E.; Camposeo A.; Pisignano D.; Ciampini D.
Autors Affiliation: Dipartimento di Fisica “E. Fermi”, University di Pisa, Largo B. Pontecorvo 3, Pisa, I- 56127, Italy; NEST, Istituto Nanoscienze-CNR, Scuola Normale Superiore, Piazza S. Silvestro 12, Pisa, I- 56127, Italy; Universidade Federal do ABC, Av. dos Estados 5001 Santo Andry, SP, CEP 09210-580, Brazil; INO-CNR, Via G. Moruzzi 1, Pisa, I- 56124, INO-CNR, Via G. Moruzzi 1, I- 56124 Pisa, Italy
Abstract: Optical forces on microspheres inside hollow core photonic crystal fibers (HC-PCFs) are often predicted using a ray optics model, which constrains its validity based on wavelength and microsphere sizes. Here, we introduce a rigorous treatment of the electromagnetic forces based on the Lorenz-Mie theory, which involves analytical determination of beam shape coefficients for the optical modes of a HC-PCF. The method is more practicable than numerical approaches and, in contrast with ray optics models, it is not limited by system size parameters. Time of flight measurements of microspheres flying through the HC-PCF lead to results consistent with the Lorenz-Mie predictions.
Journal/Review: OPTICS EXPRESS
Volume: 30 (14) Pages from: 24407 to: 24420
More Information: H2020 Marie Sklodowska-Curie Actions (813367).KeyWords: WHISPERING-GALLERY MODES; PARTICLE; LIGHT; SCATTERING; GUIDANCE; SENSORS; SPHEREDOI: 10.1364/OE.458674Citations: 3data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2024-04-28References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here