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Hollow-Core Photonic Crystal Fiber Gas Sensing [PDF]

open access: yesSensors, 2020
Fiber gas sensing techniques have been applied for a wide range of industrial applications. In this paper, the basic fiber gas sensing principles and the development of different fibers have been introduced.
Ruowei Yu   +3 more
doaj   +5 more sources

Microfluidic Raman Sensing Using a Single Ring Negative Curvature Hollow Core Fiber [PDF]

open access: yesBiosensors, 2021
A compact microfluidic Raman detection system based on a single-ring negative-curvature hollow-core fiber is presented. The system can be used for in-line qualitative and quantitative analysis of biochemicals. Both efficient light coupling and continuous
Xinyu Wang   +6 more
doaj   +2 more sources

Facile Cell-Friendly Hollow-Core Fiber Diffusion-Limited Photofabrication [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Bioprinting emerges as a powerful flexible approach for tissue engineering with prospective capability to produce tissue on demand, including biomimetic hollow-core fiber structures. In spite of significance for tissue engineering, hollow-core structures
Alexander G. Savelyev   +20 more
doaj   +2 more sources

Fabricating Air Pressure Sensors in Hollow-Core Fiber Using Femtosecond Laser Pulse [PDF]

open access: yesMicromachines, 2022
In this paper, a hollow core fiber was spliced with standard single-mode fibers to form a fiber optic gas pressure sensor, and its sensing characteristics with single hole or multi-holes punched on the hollow core fiber with femtosecond laser pulses were
Changning Liu   +3 more
doaj   +2 more sources

Hollow-core fiber gas lasers [Invited] [PDF]

open access: yesLight: Science & Applications
Recent years have witnessed significant advancements in hollow-core fiber gas lasers (HCFGLs), driven by developments in hollow-core fiber (HCF) design and fabrication. These novel lasers are characterized by hollow-core structure, providing an ultralong
Zefeng Wang   +17 more
doaj   +2 more sources

Kagome Hollow Core Fiber-Based Mid-Infrared Dispersion Spectroscopy of Methane at Sub-ppm Levels [PDF]

open access: yesSensors, 2019
In this paper, we demonstrate the laser-based gas sensing of methane near 3.3 µm inside hollow-core photonic crystal fibers. We exploit a novel anti-resonant Kagome-type hollow-core fiber with a large core diameter (more than 100 µm) which ...
Karol Krzempek   +2 more
doaj   +2 more sources

All-fiber highly efficient delivery of 2 kW laser over 2.45 km hollow-core fiber [PDF]

open access: yesNature Communications
Anti-resonant hollow-core fibers have emerged as an important medium for high-power laser delivery due to their low optical nonlinearity and high damage threshold.
Jing Shi   +18 more
doaj   +2 more sources

Ultrahigh Extinction Ratio Leaky-Guided Hollow Core Fiber Mach–Zehnder Interferometer Assisted by a Large Core Hollow Fiber Beam Splitter [PDF]

open access: yesNanomaterials
We proposed a novel fiber Mach–Zehnder interferometer (FMZI) that can perform an ultrahigh extinction ratio (ER), ultracompact, and ultra-broadband interference characteristics.
Yan-Han Lu   +2 more
doaj   +2 more sources

Double-Cavity Fabry–Perot Interferometer Sensor Based on Polymer-Filled Hollow Core Fiber for Simultaneous Measurement of Temperature and Gas Pressure [PDF]

open access: yesSensors
A double-cavity Fabry-Perot (F-P) interferometer sensor based on a polymer-filled hollow core fiber (HCF) has been proposed and experimentally verified. The double cavity of the sensor is formed by filling the hollow core fiber with two kinds of polymer ...
Yixin Zhu   +9 more
doaj   +2 more sources

Application of Negative Curvature Hollow-Core Fiber in an Optical Fiber Sensor Setup for Multiphoton Spectroscopy [PDF]

open access: yesSensors, 2017
In this paper, an application of negative curvature hollow core fiber (NCHCF) in an all-fiber, multiphoton fluorescence sensor setup is presented. The dispersion parameter (D) of this fiber does not exceed the value of 5 ps/nm × km across the optical ...
Maciej Andrzej Popenda   +6 more
doaj   +2 more sources

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