Efpiセンサー
WebTo perform high temperature strain measurements, the sapphire extrinsic Fabry-Perot interferometer (EFPI) sensor head was attached to a silicon carbide rod and placed in a RF induction heater mounted on an MTS load frame. The high-temperature ceramic adhesive is designed to withstand temperatures up to 4000 degree (s)F. WebMay 6, 2015 · A method is provided that includes receiving, by first and second Extrinsic Fabry-Perot Interferometer (EFPI) sensors, respective portions of interrogation light. The first EFPI sensor is responsive to a measurement stimulus and both the first EFPI sensor and the second EFPI sensor are responsive to a common mode stimulus. The method …
Efpiセンサー
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WebA highly sensitive temperature sensor based on a polymer cavity of a Fabry-Perot interferometer (FPI) is experimentally demonstrated. ファブリペロー干渉計(FPI)のポ … WebMEMS-FPI分光センサ C14272は、印加電圧により透過波長を可変できるMEMS-FPI (Fabry-Perot Interferometer: ファブリペロー干渉計)チューナブルフィルタとInGaAs PINフォト …
Webinterferometer (EFPI) sensor. Using a wavelength modulated source and a novel extended-gap EFPI, some of the limitations of interferometric signal demodulation are overcome. By scanning the output wavelength of a multilongitudinal mode laser diode through current modulation, the EFPI sensor signal is scanned through multiple fringes. Gap ... Web基于非本征法布里-帕罗干涉 (extrinsic Fabry-Perot interferometer, EFPI)原理的超声传感器采用光纤作为传感器载体,利用光的干涉原理,对局部放电产生的超声波信号进行检测。 该传感器相较于传统的压电陶瓷传感器,具有灵敏度高、抗干扰能力强、电绝缘性良好等诸多优点 [ 10 - 12] 。 近些年来,不少专家学者开展了应用EFPI传感器检测高压电气设备局部放电 …
WebFeb 15, 2003 · The EFPI sensor is made using a single-mode optical fiber and a multi-mode fiber as the two reflectors. The two fibers were inserted and fused into a quartz capillary tube with a larger diameter. To avoid weak fusion points, a two-part epoxy has been used to lock the end of the capillary to reinforce the join points. The EFPI sensor is based on ... WebMar 18, 2024 · The demodulation technique provides a robust and accurate solution to measure dynamic signals for EFPI sensors and has the properties of high frequency, a large dynamic range, and high sensitivity. A three-wavelength passive demodulation technique to interrogate extrinsic Fabry-Perot interferometric (EFPI) sensors with arbitrary cavity …
WebJul 1, 2016 · We report on phase interrogation of extrinsic Fabry-Perot interferometric (EFPI) sensors through a wavelength-switched unit with a polarization-maintaining fiber Bragg …
WebIllustration of a MMF EFPI sensor with a wedge between the two reflection surfaces R 1 and R 2 . Fiber F is the mirror image of fiber F with respect to surface plane R 2 . is not significantly ... gist odyssey webWebJun 1, 2024 · The experimental results of the enclosed EFPI were fitted with good linearity of R-square of about 0.9965 and the normal temperature-dependent sensitivity of enclosed … gist netherlandsWebEFPI: Education for Practice Institute (Charles Sturt University; Australia) EFPI: Extrinsic Fabry-Perot Interferometric: EFPI: Equation-Free Projective Integration: EFPI: Entreprise … gist mutation analysisWebFeb 19, 2024 · The EFPI provides pressure measurements … A miniature sensor for accurate measurement of pressure (depth) with temperature compensation in the ocean … gist notes chapter 19 percy jackson lightninggist of acrWeb能な埋め込みefpi センサの開発を試みた. 2. 実験方法 2.1 efpi光ファイバセンサ 図1 に示すように,efpi センサはガラス成分のキャピラ リ内で入射用と反射用の2 本の光ファ … gis todd county mnWebEFPI センサを中央層,表面層に埋め込み,内部のひず み分布変化から層間はく離を検出する手法8)などが検討 されている.また,センサの高機能なひずみ測定機能を 利用し … gist of action doctrine