In this paper, we present a polymer optical fiber (POF) Bragg grating (FBG) to measure liquid level based on Archimides'' law of buoyancy. The sensor consists of polymer 3D-printed rods
In this paper, a novel liquid level sensing system is proposed to enhance the capacity of the sensing system, as well as reduce the cost and increase the sensing accuracy. The proposed sensing
A fiber optic liquid level sensor system comprising multiple multiplexed probes has been successfully demonstrated. Optical time domain reflectometer (OTDR) is the primary tool for installing and
This article presents a portable optical fiber sensor (OFS) design for continuous liquid level measurement, fabricated using two pieces of bare polymer optical fibers (POFs). The proposed
A fiber-optic liquid level sensor based on multimode interference (MMI) effects is proposed and demonstrated. We show that MMI and self-image effects can be effectively applied for
Fiber optic liquid level sensors are designed to withstand a wide range of temperatures, ensuring their reliability in various industrial processes. They can operate in extreme temperatures,
In this letter, we develop a novel fiber-optic sensor based on a hollow-core Bragg fiber (HCBF) for high-precision detection of liquid level. The intensity responses of anti-resonance reflecting optical
In this work, a novel optical fiber sensor capable of measuring both the liquid level and its refractive index is designed, manufactured and demonstrated through simulations and...
Abstract Liquid-level sensors are required in modern industrial and medical fields. Optical liquid-level sensors can solve the safety problems of traditional electrical sensors, which have attracted
Wireless Ultrasonic Fill-Level Sensor - Clean CAP Plus Clean CAP Wireless Ultrasonic Fill-Level Sensor Can be attached to any type of bin, container, or
A new type optic fiber pressure sensor is designed by using the mechanism of optical fiber macro-bend loss, which is used in the airplane fuel measurement system to obtain fuel level and
The WaterSens solution for monitoring liquid levels can be applied to almost any environment, while delivering reliable results for decades. Its “Plug & Forget”
Abstract The article deals with the use of intensity-based fiber optic sensors for the level measurement. Two types of optical fiber sensors have been
An intensity-based fiber-optic liquid-level gauge for continuous measurement is described. The sensing principle is based on the total internal reflection of light within the fiber optic,
This paper presents a portable dual-point optical fiber sensor system for continuous liquid level measurement using polymer optical fibers (POFs). The system contains sensor design and
An innovative fiber optic liquid level sensor based on a peanut-shaped fiber structure has been designed and fabricated for use in micro-buoy systems. This sensor features two cascaded peanut-shaped
In this context, this paper presents three specific optical fiber sensor technologies that show considerable potential for liquid-level monitoring: the Mach-Zehnder and Fabry-Perot
Fiber-optic sensors can be designed in many different forms to exploit reflection and transmission of light to measure liquid levels. Most of them are based on the effects of the indices of
Commercial accounting for petroleum products requires more precise measurements and more stable operation of the liquid level gauges set up for factory conditions and spark-explosion
An intensity-based fiber-optic liquid-level sensor for point measurement is described. The sensing principle is based on the total internal reflection of light, which is disturbed by contact with a
In circumstances that needed contactless liquid level sensing, radio frequency radar-based sensors were considered as a solution. Nevertheless, the
This work reports an optical fiber–based continuous liquid level sensor for cryogenic propellant mass gauging, which has significant advantages over the existing liquid level sensors in terms of accuracy,
A liquid accumulation prevention structure is used for all liquid level contact type models. Multi step tip design prevents accumulation of liquid at the tip of the sensor head.
At the same time, we can measure the refractive index of the liquid based on the maximum peak wavelength shift. We can also use the sensor for continuous and discrete liquid level sensing
This paper reports a preliminary experimental investigation and characterization of an optical fiber based liquid level detection system for applications in aerospace industry. The sensor
The fiber-optic level measurement systems from Opsens Solutions are based on pressure measurement using white-light interferometry technology. The
This study presents a fiber optic liquid level sensor (FOLLS) by acquiring information from the amplitude of spectral fast Fourier transform (FFT) in a specified narrow wavelength range.
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