In this work we present a liquid-level sensor system based on laser feedback interferometry. Considering that the index of refraction of liquid hydrocarbons is in the range from 1.45 to 1.55, and the air reflectivity varies between 3.37% and 4.65%, we could demonstrate that it is possible to...
•Proposed a liquid level sensor with core-offset multimode interference structure.•The proposed laser sensing system has 30dB optical signal-to-noise ratio and 0.15nm 3-dB bandwidth.•The sensor has a highest sensitivity of 86.27pm/nm in liquid with refractive index of 1.393.关键词: Fibe...
of the measured liquids. So the sensor can be used in the mea- surements of the temperature, the refractive index and the liquid level of the measured liquids. 3. Experimental result and discussion Fig. 3 shows the schematic of the proposed fiber laser sensor. A ...
laser level transmitter FD86E Level range: 0 m - 1 mProcess temperature: -10 °C - 60 °C ... exquisite appearance FD86E/F series liquid level transmitter use high performance pressure sensor as measuring element.Through the pressure sensor, the liquid level is proportional ... Compare thi...
Image 1: New PM10K+ Laser Power Sensor for High kW Applications COHERENT Corp. (NYSE: COHR), a pioneer in laser test and measurement instruments, proudly announces the launch of its next-generation high-power laser sensor designed to support the expanding high-power applications market and ...
Guangdong, China Last Login Date:Jan 17, 2025 Business Type:Manufacturer/Factory Main Products:Liquid Level Sensor, Mechanical Guages, Plastic Injection Mold, Prototyping &3D Printing, CNC Machining, Stamping &Die Casting Learn More Related Categories...
Their developed system has allowed them to measure the flank wear to an accuracy level of 40 μm. However, the accuracy of the measurement system has a great dependency on the sensor distance resolution and striking angle of the laser beam, and thus was very prone to get some error in ...
A novel optical liquid level sensor based on polar S Zhang,H Gong,X Dong,... - 《Sensors & Actuators A Physical》 被引量: 23发表: 2014年 Tunable dual-wavelength fiber laser based on an MMI filter in a cascaded Sagnac loop interferometer A widely tunable dual-wavelength erbium-doped fiber...
Sensor Materials, Technologies and Applications A.B.Azouz, ...D.Brabazon, inComprehensive Materials Processing, 2014 13.17.4.1.3Femtosecond Lasers With the development of high-energy-density femtosecond pulse lasers in the last few years, significant research effort has been focused on implementation of...
Microfluidic sensor for dynamic surface tension measurement A novel microfluidic sensor for measuring dynamic gas-liquid interfacial tension is reported. The device consists of a microfluidic chip with a microchanne... NT Nguyen,S Lassemono,FA Chollet,... - 《Iee Proceedings Nanobiotechnology》 被引...