Simultaneous measurement of refractive-index and temperature with high sensitivity by combined use of long-period grating and defect cavity in photonic crystal fibers
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1162-9
Abstract: A dual-parameter sensor for measuring refractive-index and temperature is designed based on a magnetic fluids infiltrated photonic crystal fiber. By inserting a defective cavity in the cladding layer and inscribing a long-period grating on the… read more here.
Keywords: period grating; photonic crystal; index temperature; long period ... See more keywords
A chiral long-period grating fabrication method based on axis-offset rotating optical fiber
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-1841-9
Abstract: We propose a method to fabricate chiral long-period grating (CLPG) by rotating the standard single mode fiber which is fixed on two fiber holders but with an axis-offset. We show that, compared with traditional fabrication… read more here.
Keywords: axis offset; long period; method; chiral long ... See more keywords
Twist Sensor Based on Long Period Grating and Tilted Bragg Grating Written in Few-Mode Fibers
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2824331
Abstract: A twist sensor based on a few-mode long period grating (LPG) and a tilted fiber Bragg grating (TFBG) is proposed and demonstrated. The LPG, inscribed in a step index few-mode fiber by a CO2 laser,… read more here.
Keywords: twist sensor; period grating; sub sub; sensor based ... See more keywords
Analysis of optical propagation characteristics of the ultra-long period grating using RCWA.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.483184
Abstract: There have been significant research and analyses on the diffraction efficiency and characteristics of spectral grating with a wavelength-scale period. However, thus far an analysis on a diffraction grating with an ultra-long pitch over several… read more here.
Keywords: period grating; period; long period; ultra long ... See more keywords
Helical long-period grating manufactured with a CO2 laser on multicore fiber.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.010405
Abstract: We have demonstrated a helical long-period grating (HLPG) manufactured from multicore fiber (MCF) combined with twist and CO2-laser heating technology. The MCF we used behaves as a kind of single mode fiber. The nineteen cores… read more here.
Keywords: period grating; co2 laser; period; multicore fiber ... See more keywords
Long Period Grating Mach–Zehnder Interferometer Based Immunosensor with Temperature and Bulk Refractive Index Compensation
Sign Up to like & getrecommendations! Published in 2022 at "Biosensors"
DOI: 10.3390/bios12121099
Abstract: A long period grating Mach–Zehnder interferometer (LPGMZI) that consists of two identical long period gratings (LPGs) in a single fibre was developed to measure immunoglobulin M (IgM). The measured spectrum has fringes due to the… read more here.
Keywords: period grating; grating mach; long period; temperature ... See more keywords