Wavelength Shift Measurement With Resonance Characteristic Prediction Algorithm Using Intensities at Discrete Wavelengths

Kim, Eudum; Jeon, Su-Jin; Kim, Sun-Ho; Kim, Dohyun; Lee, Jae-Sang; Choi, Young‐Wan

doi:10.1109/tim.2019.2962564

Cited by 3 publications

(1 citation statement)

References 21 publications

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“…The large FSR derived from the envelope of the short silicon cavity provides a larger dynamic range, while the long silicon cavity's dense stripes provide a high resolution. Additionally, in order to lower the cost of the measurement system, a peak tracking technique based on discrete wavelengths is proposed 31 . The resonance characteristics are analyzed based on the intensities at discrete wavelength points.…”

Section: Fast Interrogation Techniquesmentioning

confidence: 99%

Fast interrogation of dynamic low‐finesse Fabry‐Perot interferometers: A review

Liu

Peng

2021

Micro & Optical Tech Letters

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Low‐finesse fiber‐optic Fabry–Perot (F‐P) interferometric sensor has the advantages of high sensitivity, anti‐electromagnetic interference, and compact size, and is one of the most widely used optical fiber sensors. With the development of sensor design and demodulation algorithms, F‐P sensing technique plays an increasingly important role in high‐speed dynamic measurement, such as dynamic temperature or pressure, acoustic vibration, dynamic displacement, and distance. Signal demodulation methods largely determine the performance of the entire sensing system. Compared with quasi‐static measurement, high‐precision measurement of dynamic F‐P cavity is more challenging. The advancement of fast tunable laser technology in telecommunication field provides novel perspectives for demodulation methods and dynamic applications based on F‐P sensors. This article reviews the latest developments in fast interrogation techniques for dynamic low‐finesse F‐P sensors, including intensity demodulation, quadrature phase demodulation and absolute cavity length demodulation. In addition, array multiplexing and multi‐parameter measurement techniques are also involved.

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Section: Fast Interrogation Techniquesmentioning

confidence: 99%

Fast interrogation of dynamic low‐finesse Fabry‐Perot interferometers: A review

Liu

Peng

2021

Micro & Optical Tech Letters

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Spectral Interferometric Detection of NIR Optical Resonances of Rectangular Microcapillaries for Refractive Index Sensing

Bello

Simoni

Merlo

2021

IEEE Trans. Instrum. Meas.

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Microfabricated sensor device for CW and pulsed laser power measurements

Xie

Liu

et al. 2023

Opt. Express

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On-line measurement is a trend of development toward laser-based applications. We present a fiber-integrated force sensor device for laser power measurement with both CW mode and pulse mode based on laser radiometric heat and radiation force sensing simultaneously. The sensor device is fabricated using a standard microfabrication process. Laser intensity is determined through the displacement of a movable mirror measured by an integrated Fabry-Perot interferometer. Compared with the performance of the device in the ambient condition, a non-linearity error of 0.02% and measurement uncertainty of 2.06% is observed in the quasi-vacuum condition for CW laser illumination. This device can measure a CW laser power with a 46.4 μW/Hz1/2 noise floor and a minimum detection limit of 0.125 mW. For a pulsed laser, a non-linearity error of 0.37% and measurement uncertainty of 2.08% is achieved with a noise floor of 1.3 μJ/Hz1/2 and a minimum detection limit of 3 μJ.

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Wavelength Shift Measurement With Resonance Characteristic Prediction Algorithm Using Intensities at Discrete Wavelengths

Cited by 3 publications

References 21 publications

Fast interrogation of dynamic low‐finesse Fabry‐Perot interferometers: A review

Fast interrogation of dynamic low‐finesse Fabry‐Perot interferometers: A review

Spectral Interferometric Detection of NIR Optical Resonances of Rectangular Microcapillaries for Refractive Index Sensing

Microfabricated sensor device for CW and pulsed laser power measurements

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