Recent developments in modulation spectroscopy for methane detection based on tunable diode laser

F Wang, S Jia, Y Wang, Z Tang - Applied sciences, 2019 - mdpi.com
In this review, methane absorption characteristics mainly in the near-infrared region and
typical types of currently available semiconductor lasers are described. Wavelength …

Antiresonant hollow-core fiber-based dual gas sensor for detection of methane and carbon dioxide in the near-and mid-infrared regions

P Jaworski, P Kozioł, K Krzempek, D Wu, F Yu, P Bojęś… - Sensors, 2020 - mdpi.com
In this work, we present for the first time a laser-based dual gas sensor utilizing a silica-
based Antiresonant Hollow-Core Fiber (ARHCF) operating in the Near-and Mid-Infrared …

Dissipative soliton resonances in all-fiber Er-Yb double clad figure-8 laser

K Krzempek - Optics Express, 2015 - opg.optica.org
First demonstration of exploiting Dissipative Soliton Resonance (DSR) effects for generating
high energy square-shaped pulses in an all-fiber mode-locked Double Clad (DC) erbium …

Difference-frequency generation of random fiber lasers for broadly tunable mid-infrared continuous-wave random lasing generation

H Wu, W Wang, Y Li, C Li, J Yao… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Random fiber lasers (RFLs) can generate flexible near-infrared lasing wavelengths with
high power/high efficiency in simple configurations, which could be excellent candidates to …

[HTML][HTML] Sub parts-per-billion detection of ethane in a 30-meters long mid-IR Antiresonant Hollow-Core Fiber

P Jaworski, K Krzempek, P Kozioł, D Wu, F Yu… - Optics & Laser …, 2022 - Elsevier
In this work, we present the first demonstration of a gas sensor utilizing the Wavelength
Modulation Spectroscopy technique and a mid-IR guiding Antiresonant Hollow-Core Fiber …

Mid-infrared transmitter and receiver modules for free-space optical communication

Q Hao, G Zhu, S Yang, K Yang, T Duan, X Xie… - Applied …, 2017 - opg.optica.org
We report on the experimental implementation of single-frequency fiber-laser pumped mid-
infrared (mid-IR) transmitter and receiver modules for free-space communications. These …

[HTML][HTML] Experimental and numerical analysis of gas flow in nodeless antiresonant hollow-core fibers for optimization of laser gas spectroscopy sensors

P Bojęś, P Jaworski, K Krzempek, Z Malecha… - Optics & Laser …, 2022 - Elsevier
In this paper, we present the pressure-driven gas flow studies in nodeless antiresonant
hollow-core fibers (ARHCFs) for laser absorption spectroscopy (LAS) applications. The …

Stabilized all-fiber source for generation of tunable broadband fCEO-free mid-IR frequency comb in the 7–9 µm range

K Krzempek, D Tomaszewska, A Głuszek… - Optics …, 2019 - opg.optica.org
A compact and robust all-fiber difference frequency generation-based source of broadband
mid-infrared radiation is presented. The source emits tunable radiation in the range between …

Continuous-wave 3.1–3.6 μm difference-frequency generation of dual wavelength-tunable fiber sources in PPMgLN-based rapid-tuning design

J Zhao, F Jia, Y Feng, J Nilsson - IEEE Journal of Selected …, 2017 - ieeexplore.ieee.org
We report on a single-frequency continuous wave (CW) difference-frequency generation
(DFG) source based on single-frequency wavelength-tunable polarization-maintaining …

Tunable spacing dual-wavelength Q-switched fiber laser based on tunable FBG device

NM Radzi, AA Latif, MF Ismail, JYC Liew, NA Awang… - Photonics, 2021 - mdpi.com
A tunable spacing dual-wavelength Q-switched fiber laser is experimentally demonstrated
based on a fiber Bragg grating tunable device incorporated in an erbium-doped fiber laser …