Intrinsic Sapphire Fiber Scattering Array Interferometer Based on Point-by-Point Laser Inscription for High-Temperature Sensing

We present a multiplexable intrinsic sapphire fiber interferometric sensor using an array of scattering points with longitudinal periodicity to generate spectral interference with coherent scattering. The sensor, a scattering array interferometer (SAI), is fabricated by femtosecond (fs) laser point-...

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Veröffentlicht in:	IEEE sensors journal 2023-11, Vol.23 (22), p.27390-27396
Hauptverfasser:	Shi, Guannan, Thomas, Joseph G., Pickrell, Gary, Wang, Anbo, Zhu, Yizheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Charge coupled devices Coherent scattering Fabry–Perot interferometers (FPIs) Fiber lasers Fibers Gratings (spectra) High temperature Higher harmonics Inscriptions Interference Interferometers Optical fiber sensors optical interferometry Sapphire Scattering Sensor arrays Sensors Signal to noise ratio Temperature sensors
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