Sep 19, 2025
Initially, the fundamental principles of U-type fiber optic sensors are introduced. Subsequently, the chapter delves into the structure and operation of recently researched and
Sep 02, 2025
This study describes the fabrication of an electrospun, U-shaped optical fiber sensor for temperature measurements. The sensor is based on single mode fibers and was fabricated into a U-shaped
Jan 08, 2026
Fiber-optic sensors are used in electrical switchgear to transmit light from an electrical arc flash to a digital protective relay to enable fast tripping of a breaker to reduce the energy in the arc blast.
Apr 24, 2026
While U-shaped fiber optic sensors offer a promising approach for milk adulteration detection, there are some challenges to be addressed as follows: Interference: The sensor may be
Aug 07, 2025
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Jun 30, 2026
This work presents an evanescent wave-based U-shaped plastic optical fiber sensor. The effect of bend-induced material deformation on numerical aperture (N.A) and V-number has
May 29, 2026
Abstract In this paper, we proposed a D-shaped fiber optic uranyl ion (238 UO 22+) sensor based on amidoxime (AO) functionalized UiO-66-NH 2 (that is, UiO-66-AO) with both crosstalk
Jan 09, 2026
In this work, U-shaped fiber optic sensors for scale formation are reported. The sensors were easily fabricated by bending the exposed core of a multimode fiber optic.
Mar 24, 2026
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Mar 30, 2026
A U-shaped optical fiber sensing structure with Au/ITO film layers was designed, utilizing a multimode fiber–single-mode fiber–multimode fiber
Dec 12, 2025
Advances in fiber technology have enabled the integration of plastic optical fibers (POFs) with light-emitting diodes (LEDs) for the development of simple, cost-effective, and sensitive sensing
May 29, 2026
Surface plasmon resonance (SPR) has many applications in optical fiber sensing. Herein, a single-mode optical fiber refractive index sensor based on the SPR is designed and analyzed. The sensor
Feb 17, 2026
Due to the benefits of the high sensitivity, real-time response, no labeling requirement, and good selectivity, fiber optic sensors based on surface
Jul 11, 2026
Label-free and in situ cytosensing based on U-shaped fiber optic LSPR was constructed. The cytosensing offers ability for evaluation of N -glycan expression on cell surface. The cytosensing
Dec 21, 2025
This paper is the second part of a review on U-shaped FOSs and discusses the sensing mechanisms, applications, possible improvements, and future scope of the U-shaped FOSs.
Dec 13, 2025
Abstract A taper-enhanced U-shaped probe-type hybrid fiber optic sensor, integrating surface plasmon resonance (SPR) with Mach-Zehnder interference (MZI) mechanisms, is developed
Aug 21, 2025
Abstract: In this article, sensitivity enhancement in U-shaped evanescent wave fiber optic sensor (EWFS) has been reported. The overall effect of surface roughness, material deformation,
Feb 10, 2026
In order to improve the performance of optical fiber sensing and expand its application, a photonic crystal fiber (PCF) plasmonic sensor with a U-shaped channel based on surface plasmon
Aug 30, 2025
We have also compared the proposed sensors with similar optical-fiber-based angular sensors reported in the literature. Table 3 summarizes key characteristics such as geometry, angular
Mar 02, 2026
This review outlines the theoretical model and design considerations along with the fabrication process of U-shaped FOSs.
Jun 03, 2026
This paper proposes a high-sensitivity U-shaped optical fiber sensor based on indium tin oxide (ITO) for surface plasmon resonance (SPR) sensing.
May 27, 2026
A fiber/Ag-Cu films surface plasmon resonance (SPR) refractive index (RI) sensor composed of multimode fiber-no-core-fiber-multimode fiber
Feb 25, 2026
In view of their significant benefits, U-shaped FOSs deserve a thorough investigation. This review outlines the theoretical model and design considerations along with the fabrication
Feb 14, 2026
Request PDF | U-shape Fiber Optic-Based SPR Sensor | This chapter provides an in-depth exploration of U-type fiber optic sensors and their applications in SPR sensing. Initially, the
Sep 26, 2025
A fiber-optic sensor is a sensor that uses optical fiber either as the sensing element ("intrinsic sensors"), or as a means of relaying signals from a remote sensor to the electronics that process the signals
Nov 27, 2025
The distribution of nanoparticles on optical fiber significantly affects the optical fiber LSPR sensing performance. In this work, a robust and effective
Apr 01, 2026
In this paper, sensitivity enhancement in U-shaped evanescent wave fiber optic sensor has been reported. The overall effect of surface roughness,
Dec 30, 2025
In this paper, a U-shaped SPR sensor coated with GeS nanosheets on the basis of a conventional gold film is proposed, as depicted in Fig. 1.
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