A comparison of the sensing characteristics of long period gratings written in three different types of fiber
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Laser-sculpted hybrid photonic magnetometer with nanoscale magnetostrictive interaction
2018, Sensors and Actuators, A: PhysicalCitation Excerpt :The period of the LPG was chosen so that the attenuation bands coincided with the bandwidth of the available light sources. This involved calculating the propagation constants for the core and cladding modes [24] (the optical fiber is commercial grade SMF-28 from Dow Corning Inc.) over a range of wavelengths and producing phase matching curves, leading to a suitable period of 430 μm. For this period, there are several attenuation bands present from 1300 nm to 1700 nm (Fig. 1 a).
Long period fiber grating transverse load effect-based sensor for asphalt pavement pressure field measurements
2011, Sensors and Actuators, A: PhysicalCitation Excerpt :But its anti-electromagnetic interference ability and durability are poor, and it is difficult to achieve absolute and distributed measurement. Compared with the traditional electrical measurement methods, fiber grating have some advantages of good stability, corrosion resistance, anti-electromagnetic interference, excellent multiplexing capability, absolute measurement, light and small sensor head, etc., and long period fiber grating (LPFG) [10,11] has a high degree of sensitivity and measurement precision on various physical quantities. In this paper, long period fiber grating is used in the internal strain monitoring field of asphalt pavement structure.
Refractive index sensitivity of fibre-optic long period gratings coated with SiO<inf>2</inf> nanoparticle mesoporous thin films
2011, Measurement Science and TechnologyComparative study of long-period gratings written in a boron co-doped fiber by an electric arc and UV irradiation
2010, Measurement Science and Technology