In-line fiber étalon for strain measurement

Sirkis, James S.; Brennan, Denise; Putman, M A; Berkoff, Timothy A.; Kersey, Alan D.; Friebele, E. J.

doi:10.1364/ol.18.001973

Cited by 93 publications

(4 citation statements)

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“…In this way, binding of the receptor protein onto to the surface was monitored. Signals that were recorded and measured as a result of chemical changes due to interactions were in good agreement with the standard and established kinetics of the receptor [18][19][20][21][22][23].…”

Section: Fabry-perot Interferometerssupporting

confidence: 58%

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Trypsin detection using chitosan based fiber optic interferometric sensor

Aroor¹

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There has been remarkable developments in the field of fiber optic sensing technologies for bio-sensing applications. In this study, a novel fiber optic biosensor has been fabricated for sensing trypsin, a protease that helps in degradation of proteins to peptides. A 2 cm long No core sensor was functionalized with Nickel-Chitosan film. Chitosan, a moisture sensitive polymer acted as the chelating agent or the linker polymer which facilitated the binding of the nickel ions to trypsin. The sensor was immersed in different concentrations of trypsin sample and the spectral responses were recorded. The wavelength dips in the transmission spectrum shifted towards lower wavelengths for different concentrations of trypsin. A sensitivity of-0.09 nm μg-1 ml-1 was observed for concentrations of the trypsin sample ranging from 0-200 μg ml-1 .

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Section: Fabry-perot Interferometerssupporting

confidence: 58%

“…Also, it is comparatively much cheaper than other configurations and uses low cost equipment in its design. However, it has its own drawbacks of low coupling efficiency, packaging problem and careful alignment [20]. The intrinsic type sensors have their reflecting modes within the fiber.…”

Section: Fabry-perot Interferometersmentioning

confidence: 99%

Trypsin detection using chitosan based fiber optic interferometric sensor

Aroor¹

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“…There are expensive efforts put in improving other performances apart from the sensitivity. Someone tried to perform multi-axis detection in one accelerometer [109][110][111][112]127…”

Section: V-beam Amplifiermentioning

confidence: 99%

Review of micromachined optical accelerometers: from m<i>g</i> to sub-μ<i>g</i>

Wang

et al. 2021

OEA

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Micro-Opto-Electro-Mechanical Systems (MOEMS) accelerometer is a new type of accelerometer which combines the merits of optical measurement and Micro-Electro-Mechanical Systems (MEMS) to enable high precision, small volume and anti-electromagnetic disturbance measurement of acceleration. In recent years, with the in-depth research and development of MOEMS accelerometers, the community is flourishing with the possible applications in seismic monitoring, inertial navigation, aerospace and other industrial and military fields. There have been a variety of schemes of MOEMS accelerometers, whereas the performances differ greatly due to different measurement principles and corresponding application requirements. This paper aims to address the pressing issue of the current lack of systematic review of MOEMS accelerometers. According to the optical measurement principle, we divide the MOEMS accelerometers into three categories: the geometric optics based, the wave optics based, and the new optomechanical accelerometers. Regarding the most widely studied category, the wave optics based accelerometers are further divided into four sub-categories, which is based on grating interferometric cavity, Fiber Bragg Grating (FBG), Fabry-Perot cavity, and photonic crystal, respectively. Following a brief introduction to the measurement principles, the typical performances, advantages and disadvantages as well as the potential application scenarios of all kinds of MOEMS accelerometers are discussed on the basis of typical demonstrations. This paper also presents the status and development tendency of MOEMS accelerometers to meet the ever-increasing demand for high-precision acceleration measurement.

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“…[32][33][34][35] An FPI is generally composed of two parallel reflecting surfaces separated by a certain distance (called an etalon). 36 Two reflected beams form an interference fringe. Two categories of FPI sensors, extrinsic FPI (EFPI) and intrinsic FPI (IFPI), are shown in Fig.…”

Section: Fiber-optic Interferometermentioning

confidence: 99%

Review on fiber-optic sensing in health monitoring of power grids

et al. 2019

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Fiber-optic sensing technology is best adapted to health monitoring and evaluation of power grids because of its immunity of electromagnetic interference, capabilities of multiplexing and distributed sensing, and tolerance to harsh environments. We review key fiber-optic sensing technologies, including fiber Bragg gratings, fiber-optic interferometers, optical time domain reflectometries, and their applications in three main parts of power grids, transformers, power towers, and overhead transmission lines, during the past 20 years. In particular, optical fiber composite overhead ground wire and optical phase conductor applied in power grids are the areas of great potential to go further. The perspectives of an intelligent fault diagnosis subsystem for power grids based on a fiber-optic sensing network are discussed, and related on-going work is described. The review shall be of benefit to both engineers and researchers in power grids and fiber-optic sensing.

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In-line fiber étalon for strain measurement

Cited by 93 publications

References 1 publication

Trypsin detection using chitosan based fiber optic interferometric sensor

Trypsin detection using chitosan based fiber optic interferometric sensor

Review of micromachined optical accelerometers: from m<i>g</i> to sub-μ<i>g</i>

Review on fiber-optic sensing in health monitoring of power grids

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