Interferometric optical fiber sensor for simultaneous humidity and
This paper presents a SCTCS symmetric structure interferometric fiber sensor coated with polyvinyl alcohol (PVA)/polyacrylic acid (PAA) composite hydrogel for simultaneous measurement of
Optical Fiber Interferometric Humidity Sensor by Using Hollow Core
In this paper, an optical fiber interferometric humidity sensor by using a short hollow core fiber (HCF) interacting with a gelatin film is demonstrated.
FP Interferometric Optic Fiber Humidity Sensor Based
Aiming at the problems of complex fabrication and high process requirements in traditional optical fiber humidity sensors, this paper focuses on
High sensitivity Mach-Zehnder interferometric fiber-optic humidity
Here, a high sensitivity fiber-optic relative humidity (RH) sensor based on Mach-Zender interferometer (MZI) is proposed and demonstrated. The humidity sensor consists of single-mode fiber (SMF),
Low-Coherence Interferometric Fiber Optic Sensor for
The main aim of this work was the design and development simple fiber optic Fabry-Perot interferometer (FPI) sensor devices for relative humidity (RH) sensing with
Fiber optic interferometric humidity sensor by using gelatin
A fiber optic interferometric humidity sensor based on hollow core fiber (HCF) and gelatin humidity sensing film was studied. It was formed by fusion splicing a short length of HCF to the end of a single
Optical Fiber Humidity Sensor With Enhanced Sensitivity by Double
A highly sensitive humidity sensor based on open cavity fiber Fabry-Perot interferometer (FPI) with double-sided contact film is proposed. The sensor is fabricated by ins...
Sensitive Fiber-Optic Interferometric Sensor Arrays
Wada, A.; Tanaka, S.; Takahashi, N. 2018: Fast interrogation using sinusoidally current modulated laser diodes for fiber Fabry–Perot interferometric sensor consisting of fiber Bragg gratings Optical Review
Liquid crystal-embedded fiber optic fabry perot temperature sensor
This paper proposes and demonstrates a method to enhance the measurement range of the LC temperature sensor. A miniature LC temperature sensor was made by using an optical fiber
Vernier-effect-enhanced PMMA-filled optical fiber dual-FPI for
Abstract We propose a high-sensitivity optical fiber humidity sensor leveraging the vernier effect within a PMMA-filled dual-FPI structure. The device comprises two single-mode fibers, one end
Fiber Bragg Grating Sensors: Design, Applications, and
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including structural health, aerospace, biochemical,
CHAPTER 09 FIBER OPTIC SENSORS
communication system via using fiber optics there was a great demand to measure and sense the rate of data transmission, change in phase, intensity, and wavelength and in the case of incentive
Eachwave WSLS Series DFB Laser Diodes with ITU-T Aligned
Gas spectroscopy targeting absorption lines near 1530 nm, 1570 nm, or 1600 nm windows Interferometric fiber optic gyroscopes (FOGs) and Michelson/Mach-Zehnder sensor heads
All-fiber Mach–Zehnder interferometric comb filter based on
The wavelength selection and switching techniques are based on the whispering gallery mode (WGM) effect in a Mach–Zehnder interferometric comb-filter formed by bending a standard
A High-Speed Demodulation Technology of Fiber Optic Extrinsic
A fast real-time demodulation method based on the coarsely sampled spectrum is proposed for transient signals of fiber optic extrinsic Fabry-Perot interferometers (EFPI) sensors. The feasibility of phase
Extrinsic F-P interferometric fiber ultrasonic sensor using two-photon
Highlights • Fiber end-face optical resonator devices have smaller size and better performance than piezoelectric transducers, which make it potential for photoacoustic endoscopy
Analysis and Suppression of Aliased Noises in Time-Division
Aliased noises elevate the ultimate noise level of a pulse-triggered time-division-multiplexing (TDM) interferometric fiber-optic sensor array. Here we for the first time present an
Compact FPI-Based Fiber Optic Humidity Sensors Functionalized with
Humidity sensitive materials of polymethyl methacrylate (PMMA), polyvinyl alcohol (PVA), and polyethylene glycol (PEG) film have been elaborated via a dip-coating and withdrawal technique,
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