All-optical tunable fiber filter based on a few-mode optical fiber mode interferometer coated with graphene epoxy resin composite material

Chen, Enqing; Dong, Bo; Li, Yang; Li, Ziwan; Wang, Xiaoli; Zhao, Yudi; Xu, Wei; Zhao, Wei; Wang, Yishan

doi:10.1016/j.optcom.2021.127140

Cited by 7 publications

(3 citation statements)

References 18 publications

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“…In both scenarios (high and low temperatures), the OFS were already employed, where the stability of material properties at low temperatures already shows the possibility of using such fibers even in cryogenic applications [ 65 ]. Considering the low temperatures obtained on in-flight conditions, conventional OFS, such as interferometers [ 66 ], distributed temperature sensing [ 67 ], and FBGs [ 68 ], can be used using their intrinsic sensitivity to temperature variations along the fiber. In addition, the embedment of the optical fibers in different materials (with high thermal expansion coefficient) can extend the temperature sensor performance, especially in terms of sensitivity and resolution [ 69 ].…”

Section: Flight Environment Sensingmentioning

confidence: 99%

Multifunctional Integration of Optical Fibers and Nanomaterials for Aircraft Systems

2023

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Smart sensing for aeronautical applications is a multidisciplinary process that involves the development of various sensor elements and advancements in the nanomaterials field. The expansion of research has fueled the development of commercial and military aircrafts in the aeronautical field. Optical technology is one of the supporting pillars for this, as well as the fact that the unique high-tech qualities of aircrafts align with sustainability criteria. In this study, a multidisciplinary investigation of airplane monitoring systems employing optical technologies based on optical fiber and nanomaterials that are incorporated into essential systems is presented. This manuscript reports the multifunctional integration of optical fibers and nanomaterials for aircraft sector discussing topics, such as airframe monitoring, flight environment sensing (from temperature and humidity to pressure sensing), sensors for navigation (such as gyroscopes and displacement or position sensors), pilot vital health monitoring, and novel nanomaterials for aerospace applications. The primary objective of this review is to provide researchers with direction and motivation to design and fabricate the future of the aeronautical industry, based on the actual state of the art of such vital technology, thereby aiding their future research.

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Section: Flight Environment Sensingmentioning

confidence: 99%

Multifunctional Integration of Optical Fibers and Nanomaterials for Aircraft Systems

2023

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Section: Introductionmentioning

confidence: 99%

“…Therare several techniques for optical filters [13][14][15][16][17][18][19][20][21]. Fiber filters have been widely used to achieve dynamic wavelength filtering in the fields of optical communication [16]. Fiber-optic filter is an optical fiber instrument used for wavelength selection, which can select desired wavelengths to pass and reject the others.…”

Section: Introductionmentioning

confidence: 99%

Optical Demultiplexer by Using In-Line Fiber Filter

Zaghloul

Eldin

2023

Delta University Scientific Journal

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The signal pulses will be broadened through the fiber and so we need a very sharp cutoff filters with demultiplexers. The in-line fiber filter becomes the appropriate filters. Most of these demultiplexers used after erbium-doped fiber amplifier (EDFA) which need a sharp wavelength bandpass filter (BPF) to filter out wavelengths other than the signal wavelength Exact analysis of in-line fiber filter is occurred by derive a polynomial expression for the dopant ratios of GeO2 and P2O5. The refractive index of silica doped either GeO2 or P2O5 is defined as a function of both the wavelength and the dopant ratio. The calculations of the dopant ratios of the pair materials (GeO2 and P2O5) are done at a specific filter cutoff wavelength (λc) for both high pass filter (HPF) and low pass filter (LPF). Two in-line fiber filters (HPF and LPF) are cascaded to make a sharp bandpass filter (BPF). The length of in-line fiber filter must be very short to overcome the weak of the propagation constsnt throuh it. The normalized frequency is discused. A theoritical 8-channels demultiplexer is done. The design of demultiplexer becomes very easy.

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Band Offsets, Dielectric Dispersion, Optical Conduction and Impedance Spectroscopy Analyses of WO3/Ga2S3 Heterojunctions

Qasrawi

Alrub

2022

Braz J Phys

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All-optical tunable fiber filter based on a few-mode optical fiber mode interferometer coated with graphene epoxy resin composite material

Cited by 7 publications

References 18 publications

Multifunctional Integration of Optical Fibers and Nanomaterials for Aircraft Systems

Multifunctional Integration of Optical Fibers and Nanomaterials for Aircraft Systems

Optical Demultiplexer by Using In-Line Fiber Filter

Band Offsets, Dielectric Dispersion, Optical Conduction and Impedance Spectroscopy Analyses of WO3/Ga2S3 Heterojunctions

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