title: All-fiber, long-active-length Fabry-Perot strain sensor.
abstract: This paper presents a high-sensitivity, all-silica, all-fiber Fabry-Perot strain-sensor. The proposed sensor provides a long active length, arbitrary length of Fabry-Perot cavity, and low intrinsic temperature sensitivity. The sensor was micro-machined from purposely-developed sensor-forming fiber that is etched and directly spliced to the lead-in fiber. This manufacturing process has good potential for cost-effective, high-volume production. Its measurement range of over 3000 µε, and strain-resolution better than 1 µε were demonstrated by the application of a commercial, multimode fiber-based signal processor.
authors.affiliation: University of Maribor, Faculty of EE & Computer Science, Smetanova 17, SI-2000 Maribor, Slovenia.
authors.forename: Simon
authors.initials: S
authors.lastname: Pevec
authors.forename: Denis
authors.initials: D
authors.lastname: Donlagic
mesh_terms: D004867:Equipment Design; D005336:Fiber Optic Technology / Q000379:methods*; D007368:Interferometry / Q000295:instrumentation; D008422:Materials Testing; D008853:Microscopy / Q000379:methods*; D055100:Optical Fibers; D055095:Optics and Photonics / Q000379:methods; D019904:Polymethyl Methacrylate / Q000737:chemistry; D012822:Silicon Dioxide / Q000737:chemistry
chemical_list: D012822:Silicon Dioxide; D019904:Polymethyl Methacrylate