Optical fiber gas pressure sensor based on polydimethylsiloxane microcavity

X Wei, X Song, C Li, L Hou, Z Li, Y Li… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
We experimentally demonstrated a high sensitive gas pressure sensor, which also has more
concise processing steps and lower cost. The sensor was fabricated by splicing the single …

[HTML][HTML] Highly sensitive refractive index sensor based on polymer bragg grating: A case study on extracellular vesicles detection

N Saha, G Brunetti, A Kumar, MN Armenise, C Ciminelli - Biosensors, 2022 - mdpi.com
The measurement of small changes in the refractive index (RI) leads to a comprehensive
analysis of different biochemical substances, paving the way to non-invasive and cost …

EDF laser displacement sensor based on bending characteristics of polarization-independent double-pass cascaded-chirped long-period fiber grating

K Fukushima, M Okano, A Wada, S Tanaka… - IEICE Electronics …, 2023 - jstage.jst.go.jp
In this study, we propose an Erbium-doped fiber (EDF) laser displacement sensor using
bending characteristics of a cascaded-chirped long-period fiber grating (C-CLPG), in which …

Switchable multi-wavelength thulium-doped fiber laser using a two-taper fiber filter

T Li, F Yan, P Wang, X Wang, Y Suo, H Zhou - Infrared Physics & …, 2022 - Elsevier
An individually switchable and tunable multiwavelength thulium-doped fiber laser (TDFL) is
proposed and experimentally demonstrated. The key component of the laser is a comb filter …

[HTML][HTML] Sequential Dual Coating with Thermosensitive Polymers for Advanced Fiber Optic Temperature Sensors

TT Salunkhe, IT Kim - Sensors, 2023 - mdpi.com
We systematically designed dual polymer Fabry–Perrot interferometer (DPFPI) sensors,
which were used to achieve highly sensitive temperature sensors. The designed and …

A highly-sensitive temperature sensor based on GeO2–SiO2 long period fiber grating

M Lotfi, M Noori - Physica Scripta, 2020 - iopscience.iop.org
A highly-sensitive long period grating temperature sensor has been introduced here, which
is composed of GeO 2 in the core and SiO 2 in the cladding. Due to high thermo-optic …

Mode-Coupling-Driven Frequency Stabilization in Semiconductor Lasers with Bragg Grating Waveguide

MR Mahani, IA Nechepurenko, Y Rahimof… - arXiv preprint arXiv …, 2024 - arxiv.org
Precisely stabilizing laser frequency is crucial for advancing laser technology and unlocking
the full potential of various quantum technologies. Here, we propose a compact device for …

Photosensitive polymer-based micro-nano chirped long-period fiber gratings for temperature sensing

Y Zhang, X Wang, XY Tang, Y Zhang, Z Liu… - Sensors and Actuators A …, 2023 - Elsevier
We report a photosensitive polymer-based micro-nano chirped long-period fiber grating
(PPMN-CLPFG) for temperature sensing. We configure the cladding modulated CLPFG …

[HTML][HTML] High sensitivity temperature sensing of long-period fiber grating for the ocean

J Qu, H Zhang, X Shi, C Li, D Jia, T Liu, R Su - Sensors, 2023 - mdpi.com
In this study, a new temperature sensor with high sensitivity was achieved by four-layer Ge
and B co-doped long-period fiber grating (LPFG) based on the mode coupling principle. By …

[HTML][HTML] Mode transition induced enhanced temperature sensitivity in long period waveguide gratings near dispersion turning point

N Saha, A Kumar, A Sharma - Results in Optics, 2021 - Elsevier
We propose a highly sensitive temperature sensor based on long period grating inscribed
high index coated ridge waveguide in which the unique feature of mode transition (MT) …