By monitoring the whispering gallery mode resonances, which are excited in an optical fiber by a moving microfiber, we determine the optical fiber effective diameter variation with angstrom accuracy and sensor the residuals and defects on the fiber surface.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(230.0230) Optical devices : Optical devices
(230.5750) Optical devices : Resonators
M. Sumetsky and Y. Dulashko, " Sensing an Optical Fiber Surface by a Microfiber with Angstrom Accuracy," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OTuL6.
References are not available for this paper.