Title :
Cross-sectional geometry control of low-loss biconical fiber tapers using hydrofluoric acid flow etching
Author :
Zhang, Eric J. ; Mikkelsen, Jared ; Poon, Joyce K S
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada
Abstract :
We present an etch method for fabricating low-loss biconical fiber tapers. Surface tension driven flows of hydrofluoric acid etch the fibers to sub-micron diameters. Varying the immersion depth controls the taper cross-section shape and ellipticity.
Keywords :
etching; optical fibre fabrication; optical fibre losses; surface tension; cross sectional geometry control; ellipticity; fiber taper fabrication; hydrofluoric acid flow etching; immersion depth controls; low loss biconical fiber tapers; surface tension driven flows; taper cross-section shape; Hafnium; Optical device fabrication; Optical fiber amplifiers; Optical fiber couplers; Optical fiber devices;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4