Highly sensitive methane detection using a mid-infrared interband cascade laser and an anti-resonant hollow-core fiber

G Gomółka, G Stępniewski, D Pysz, R Buczyński… - Optics …, 2023 - opg.optica.org
For over a decade hollow-core fibers have been used in optical gas sensors in the role of
gas cells. However, very few examples of actual real-life applications of those sensors have …

Direct performance comparison of antiresonant and Kagome hollow-core fibers in mid-IR wavelength modulation spectroscopy of ethane

P Jaworski, D Wu, F Yu, K Krzempek - Optics Express, 2023 - opg.optica.org
In this paper, we experimentally asses the performance of wavelength modulation
spectroscopy-based spectrometers incorporating 1.3 m-long gas absorption cells formed by …

Quartz-Enhanced Photothermal Spectroscopy-Based Methane Detection in an Anti-Resonant Hollow-Core Fiber

P Bojęś, P Pokryszka, P Jaworski, F Yu, D Wu… - Sensors, 2022 - mdpi.com
In this paper, the combination of using an anti-resonant hollow-core fiber (ARHCF), working
as a gas absorption cell, and an inexpensive, commercially available watch quartz tuning …

Fundamental thermal noise in antiresonant hollow-core fibers

V Michaud-Belleau, ER Numkam Fokoua, P Horak… - Physical Review A, 2022 - APS
Fluctuations of the optical length induced by fundamental thermal noise are known to set the
ultimate phase resolution of fiber-based interferometers. Although this noise has been …

High-efficiency 6-hole structure anti-resonant hollow-core fiber 2.79 μm Cr, Er: YSGG high-energy pulse laser transmission system

L Huang, Y Wang, Y Zhang, T Cheng, L Wang… - Optics & Laser …, 2024 - Elsevier
Using anti-resonant hollow-core fibers instead of light guide arms for laser energy
transmission can greatly improve the flexibility of medical laser devices, reduce system …

Transient gas-induced differential refractive index effects in as-drawn hollow core optical fibers

TW Kelly, S Rikimi, IA Davidson, Y Chen, S Bawn… - Optics …, 2024 - opg.optica.org
When a hollow core fiber is drawn, the core and cladding holes within the internal cane
geometry are pressurized with an inert gas to enable precise control over the internal …

Hollow optical fiber based spectroscopy gas sensing

C Wang, Z Zhang, Y Tang, W Jin, T Yang - Optical Fiber Technology, 2024 - Elsevier
In recent years, the advantages of HCF as a gas analysis platform have been continuously
explored. Gas sensing technology based on HCF spectroscopy has also developed rapidly …

Enhancing Gas Diffusion in Antiresonant Hollow-Core Fiber Gas Sensors Using Microchannels

P Kozioł, P Bojęś, P Jaworski, D Wu, F Yu… - Photonic Sensors, 2025 - Springer
In this paper, we analyze the performance of diffusion-based gas distribution in antiresonant
hollow-core fiber-based gas absorption cells. Performed theoretical analysis was based on …

Modeling Heat Mitigation in Hollow-Core Gas Fiber Lasers With Gas Flow

W Zhang, RA Lane, CR Menyuk… - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
We carry out a computational study to evaluate the temperature reduction by using gas flow
in hollow-core gas fiber lasers. We first use the Navier-Stokes equations to study the gas …

Dual-band light-induced thermoelastic spectroscopy utilizing an antiresonant hollow-core fiber-based gas absorption cell

P Bojęś, P Jaworski, P Pokryszka, W Belardi… - Applied Physics B, 2023 - Springer
In this paper, dual-band gas detection using a combination of the light-induced
thermoelastic spectroscopy (LITES) and an antiresonant hollow-core fiber-based (ARHCF) …