Abstract
An ultrasonic method of line-focus-beam acoustic microscopy is applied to an analysis of the mechanical properties of silica-based optical fiber preforms. A first-deposition-stage optical fiber preform with GeO2 and F dopants and 80-mm outer diameter, fabricated by the vapor phase axial deposition (VAD) method, is used in the experiments. The leaky surface acoustic wave (LSAW) velocity profile along the radial direction is measured at 225 MHz and compared with that calculated from the chemical composition obtained by electron probe microanalysis. It is found that the LSAW velocity profile corresponds mainly to the dopant distribution, and the difference between the measured and calculated velocity distributions suggests that a residual stress distribution in the preform is detected in the measured profile
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
