Abstract
The fabrication of optical fibre long period gratings (LPGs) displaying 2nd order resonant bands operating at the phase matching turning point (PMTP) is explored. Previous reports that exploited 2nd order attenuation bands in sensing schemes did not access the highly sensitive PMTP region. To overcome this limitation, LPGs with periods between 167–177 μm were fabricated using UV irradiation. The spectra acquired were subsequently analyzed and the development of the 2nd order PMTP was identified utilizing peak tracking software. This work has provided the platform for LPG design focused on the prospect of sensitive multi-parameter discrimination.
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.
