Longitudinal Lorentz force on a subwavelength-diameter optical fiber
2011 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 83, no 5, 053830- p.Article in journal (Refereed) Published
We analyze the longitudinal Lorentz forces that a propagating continuous-wave light exerts on a subwavelength-diameter optical fiber. Our theoretical results show that, during the propagating process, the guided light exerts no net time-averaged force on the fiber. Via numerical simulation, we find a significant overall pull force of 0.4 pN/mW acting on a 450-nm-diam fiber tip at a wavelength of 980 nm due to the scattering of the end face and a calculated force distribution reveals the feature of a near-field accumulation. Our results may be helpful to the configuration of optomechanical components or devices based on these fibers.
Place, publisher, year, edition, pages
2011. Vol. 83, no 5, 053830- p.
Atom and Molecular Physics and Optics Atom and Molecular Physics and Optics
IdentifiersURN: urn:nbn:se:kth:diva-34362DOI: 10.1103/PhysRevA.83.053830ISI: 000290860000015ScopusID: 2-s2.0-79961045206OAI: oai:DiVA.org:kth-34362DiVA: diva2:429874
QC 201107062011-07-062011-06-072011-07-06Bibliographically approved