Recent Advances in High-Birefringence Fiber Loop Mirror Sensors
Recent advances in devices and applications of high-birefringence fiber loop mirror sensors are addressed. In optical sensing, these devices may be used as strain and temperature sensors, in a
Non-Contact Optical Respiratory Rate and Heart Rate Monitoring
In this paper, an optical respiratory and heart rate non-invasive monitoring sensor is set up and proven to work well. The core part of this sensor is an optical fiber Sagnac interferometer (SI),
High-Sensitivity Transverse Load and Liquid Level Fiber Optic Sensor
We present a numerical and experimental demonstration of a high-sensitivity fiber optic transverse load and liquid level sensor based on bend-induced linear birefringence in a single-mode fiber.
High-sensitivity temperature sensing system based on frequency
This sensor achieves high-sensitivity temperature sensing solely through polarization-maintaining fibers, demonstrating significant advantages such as high sensitivity, low cost, simple
Enhanced sensitivity of temperature sensor by a novel birefringent
The high sensitivity fiber-optic temperature sensor was realized by taking advantage of the high thermo-optic effect of PDMS-filled PCF. The results showed that the sensitivity of the
Sensitivity amplification of high birefringence fiber loop mirror
A fiber optic temperature sensor consisting of two cascaded high birefringence fiber loop mirrors (Hi-Bi FLMs) was proposed and experimentally demonstrated to enhance the temperature
Sagnac ring and photonic crystal fiber structure refractive
The refractive index sensing capability and temperature stability of the two structures are analyzed experimentally. Simulation results show that the structure has high birefringence effect.
Point-by-Point Induced High Birefringence Polymer
In this paper, the first- and fourth-order fiber Bragg grating (FBG)-based axial strain sensors are proposed. The FBGs are inscribed in step-index
A highly birefringent and compact nonlinear photonic crystal fiber for
Birefringence is a critical aspect in fiber optic-based applications, particularly in preserving polarization and achieving nonlinear-based phase matching conditions. This study proposes a new
Polarization-maintaining Fibers – Buyer''s Guide & Suppliers
Polarization-maintaining (PM) fibers are single-mode optical fibers that possess a high built-in birefringence, distinguishing them from standard single-mode fibers where birefringence is minimized
Fiber Grating
2.3 Fiber grating-based sensor Fiber grating is widely used in biochemical sensor measurement with the advantages of stable sensing structure and high resolution. Fiber grating is a diffraction grating with
(PDF) Dual polarization fiber grating laser hydrophone
A compact fiber-optic magnetic field sensor is proposed by packaging an orthogonal dual-frequency fiber grating laser and a copper wire with alternating electrical current together inside
Adaptive PMD compensation using high-birefringence linearly
Article: Adaptive PMD compensation using high-birefringence linearly chirped FBG based on a cantilever structure
Dual-Wavelength Differential Detection of Fiber Bragg Grating Sensors
We discuss how the dual-wavelength differential detection (DWDD) of fiber Bragg grating sensors can be used to build standardized high-resolution, high-accuracy, large-measurement
Optical Fiber Sensors and Sensing Networks: Overview of the Main
Optical fiber sensors present several advantages in relation to other types of sensors. These advantages are essentially related to the optical fiber properties, i.e., small, lightweight,
Optical Fiber Technology | Vol 95, December 2025
Compact high-sensitive Mach-Zehnder-based optical fiber sensor for monitoring gaseous acetone concentrations Yosra Hussain Kadhum, Ansam M. Salman, Abdulhadi Al-Janabi
Tuberculosis detection using a low-loss and highly sensitive photonic
This paper represents a Photonic Crystal Fiber (PCF) based sensor structure with concurrently high sensitivity, high birefringence and low confinement loss for liquid sensing applications.
All-fiber fully controlled Lyot filter based on bend-induced linear
Abstract In this work, we present a single-mode fiber fully controlled Lyot filter based on bend-induced linear birefringence with tension.
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