Optical Inclinometer Based on a LPG-Taper Series Configuration
Renato Luiz Faraco Filho,Alexandre Bessa dos Santos,Andrés Pablo López Barbero,Vinicius N. H. Silva +3 more
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In this paper, the authors presented the development of an inclinometer device based on a Mach-Zehnder interferometer considering the effects caused by temperature variations, and demonstrated the operation of a LPG-taper system for angle measurements.Abstract:
This article presents the development of an inclinometer device based on a Mach-Zehnder interferometer considering the effects caused by temperature variations. It was demonstrated the operation of a LPG-taper system for angle measurements. The practical results satisfactorily show reliable inclination measures, even with the cross sensibility effect caused by variable temperature.read more
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Fibre-optic sensing applications of a pair of long-period fibre gratings
TL;DR: In this paper, a pair of long-period fiber gratings (LPFGs) characterized by a fine interference fringe pattern and a narrow bandwidth were used for fiber-optic sensing applications.
Sensor óptico lpfg para avaliação de forças bidirecionais
TL;DR: In this paper, an estudo sobre a aplicacao da birrefringencia induzida pela deformacao lateral em sensores LPFG no sensoriamento da intensidade/direcao de forcas is presented.
References
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Fiber grating spectra
TL;DR: In this paper, the spectral properties of fiber reflection and transmission gratings are described and examples are given to illustrate the wide variety of optical properties that are possible in fiber gratings.
Long-period fiber grating as band-rejection filters
TL;DR: In this paper, a new class of long-period fiber gratings that can be used as in-fiber, low-loss, band-rejection filters is presented.
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Long-period fiber gratings as band-rejection filters
Ashish Madhukar Vengsarkar,Paul Joseph Lemaire,J. B. Judkins,Vikram Bhatia,Turan Erdogan,John E. Sipe +5 more
TL;DR: In this paper, a new class of long-period fiber gratings that can be used as in-fiber, low-loss, band-rejection filters is presented.
Journal ArticleDOI
Sensitivity characteristics of long-period fiber gratings
Xuewen Shu,Lin Zhang,Ian Bennion +2 more
TL;DR: In this paper, the sensitivity of long-period fiber gratings (LPFGs) is investigated as a function of temperature, strain, and surrounding refractive index, with particular attention to the higher order cladding modes and the possibilities for ultrasensitive sensors.
Journal ArticleDOI
Interferometric Fiber Optic Sensors
Byeong Ha Lee,Youngho Kim,Kwan Seob Park,Joo Beom Eom,Myoung Jin Kim,Byung Sup Rho,Hae Young Choi +6 more
TL;DR: Each type of interferometric sensor is reviewed in terms of operating principles, fabrication methods, and application fields and some specific examples of recently reported interferometeric sensor technologies are presented in detail to show their large potential in practical applications.