Linewidth Measurement of a Narrow-Linewidth Laser: Principles, Methods, and Systems

JQ Chen, C Chen, JJ Sun, JW Zhang, ZH Liu, L Qin… - Sensors, 2024 - mdpi.com
Narrow-linewidth lasers mainly depend on the development of advanced laser linewidth
measurement methods for related technological progress as key devices in satellite laser …

Design of a tunable Fabry–Perot filter based on a silicon wafer for gas sensing applications in the infrared

DA Ramos-Gonzalez, E Gallegos-Arellano… - Infrared Physics & …, 2024 - Elsevier
Abstract Tunable optical Fabry–Perot Interferometers (FPIs) have been designed as filters
on sensors for gas detection in the mid infrared range where their radiation absorption is at …

Fiber laser tuning by means of nonthermal plasma as a temperature regulator

HJ Tung, RK Raja Ibrahim, AI Azmi… - Microwave and …, 2024 - Wiley Online Library
This work presents a technique to obtain wavelength tuning for a fiber laser with a
nonthermal plasma‐based temperature regulator system and a fiber Bragg grating (FBG) …

All single-mode-fiber supercontinuum source setup for monitoring of multiple gases applications

JA Martin-Vela, E Gallegos-Arellano… - Sensors, 2020 - mdpi.com
In this paper, a gas sensing system based on a conventional absorption technique using a
single-mode-fiber supercontinuum source (SMF-SC) is presented. The SC source was …

Gas sensor design based on a line locked tunable fiber laser and the dual path correlation spectroscopy method

E Vargas-Rodriguez, AD Guzman-Chavez… - Applied Sciences, 2017 - mdpi.com
In this work a hybrid gas sensor based on a tunable fiber laser and a correlation
spectroscopy technique is presented. The laser is tuned by varying the temperature of a bulk …

[HTML][HTML] Detection of C2H2 using a segmented HC-PCF gas cell

JO Trevisanutto, JK Valiunas, G Das - Measurement: Sensors, 2023 - Elsevier
This article demonstrates a fiber laser system that can detect acetylene gas (C 2 H 2) at parts
per million (ppmv) levels. The authors investigated the use of off-resonance laser …

Enhanced thermally tunable optical filter and its applications in Erbium-doped fiber lasers

AD Guzman-Chavez… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
In this letter, an enhanced thermally tunable filter design based on a stack of three layers
and a long external sleeve at the tip of a single mode fiber is presented. Here, two of these …

Continuously tunable wideband semiconductor fiber-ring laser

X Mao, S Zhao, S Yuan, X Wang, P Zheng - Laser Physics, 2017 - iopscience.iop.org
We demonstrate a wideband tunable semiconductor fiber-ring laser that can be continuously
tuned from 1498 nm to 1623 nm. The proposed laser uses a semiconductor optical amplifier …

Узкополосный волоконный отражатель на основе отражательного интерферометра с волоконной брэгговской решеткой

ВС Терентьев, АА Власов, СР Абдуллина… - Квантовая …, 2018 - mathnet.ru
Впервые продемонстрирован метод узкополосной фильтрации излучения в
отраженном свете на основе отражательного интерферометра с волоконной …

Tailored Algorithm for Sensitivity Enhancement of Gas Concentration Sensors Based on Tunable Laser Absorption Spectroscopy

E Vargas-Rodriguez, AD Guzman-Chavez… - Sensors, 2018 - mdpi.com
In this work, a novel tailored algorithm to enhance the overall sensitivity of gas concentration
sensors based on the Direct Absorption Tunable Laser Absorption Spectroscopy (DA …