scholarly journals A Broadband Mid-Infrared Trace Gas Sensor Using Supercontinuum Light Source: Applications for Real-Time Quality Control for Fruit Storage

Sensors ◽  
2019 ◽  
Vol 19 (10) ◽  
pp. 2334 ◽  
Author(s):  
Khalil Eslami Jahromi ◽  
Qing Pan ◽  
Amir Khodabakhsh ◽  
Cor Sikkens ◽  
Paul Assman ◽  
...  
Keyword(s):  
Quality Control ◽  
Real Time ◽  
Gas Sensor ◽  
Light Source ◽  
Simultaneous Detection ◽  
Trace Gas ◽  
Small Scale ◽  
Detection Scheme ◽  
Mid Infrared ◽  
Supercontinuum Light Source

We present a fully integrated and transportable multi-species trace gas sensor based on a mid-infrared (MIR) supercontinuum light source. The high brightness (surpassing synchrotron) and ultra-broad spectral bandwidth (2–4 μm) of this light source allows simultaneous detection of multiple broadband absorbing gas species. High sensitivity in the sub-ppmv level has been achieved by utilizing an astigmatic multipass cell. A grating-based spectrometer at a scanning rate of 20 Hz is developed employing a balanced detection scheme. A multi-component global fitting algorithm is implemented into a central LabVIEW program to perform real-time data analysis. The obtained concentration values are validated by the standard gas chromatography mass spectrometry (GC-MS) method. Field application of the sensor for quality control of stored fruits at a small scale is demonstrated, involving the detection of ethylene, ethanol, ethyl acetate, acetaldehyde, methanol, acetone, and water simultaneously. The sensor also shows promising potentials for other applications, such as environmental monitoring and biomedical research.

scholarly journals Antiresonant Hollow-Core Fiber-Based Dual Gas Sensor for Detection of Methane and Carbon Dioxide in the Near- and Mid-Infrared Regions

Sensors ◽  
2020 ◽  
Vol 20 (14) ◽  
pp. 3813 ◽  
Author(s):  
Piotr Jaworski ◽  
Paweł Kozioł ◽  
Karol Krzempek ◽  
Dakun Wu ◽  
Fei Yu ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Gas Sensor ◽  
Gas Sensing ◽  
Simultaneous Detection ◽  
Hollow Core ◽  
Mid Infrared ◽  
Sensing Applications ◽  
Core Fiber ◽  
Sensor Configuration ◽  
Carbon Dioxide Co2

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 spectral region. A 1-m-long fiber with an 84-µm diameter air-core was implemented as a low-volume absorption cell in a sensor configuration utilizing the simple and well-known Wavelength Modulation Spectroscopy (WMS) method. The fiber was filled with a mixture of methane (CH4) and carbon dioxide (CO2), and a simultaneous detection of both gases was demonstrated targeting their transitions at 3.334 µm and 1.574 µm, respectively. Due to excellent guidance properties of the fiber and low background noise, the proposed sensor reached a detection limit down to 24 parts-per-billion by volume for CH4 and 144 parts-per-million by volume for CO2. The obtained results confirm the suitability of ARHCF for efficient use in gas sensing applications for over a broad spectral range. Thanks to the demonstrated low loss, such fibers with lengths of over one meter can be used for increasing the laser-gas molecules interaction path, substituting bulk optics-based multipass cells, while delivering required flexibility, compactness, reliability and enhancement in the sensor’s sensitivity.

scholarly journals Mid-Infrared semiconductor laser based trace gas sensor technologies: recent advances and applications

2012 ◽  
Author(s):  
Frank K. Tittel ◽  
Rafal Lewicki ◽  
Mohammad Jahjah ◽  
Yufei Ma ◽  
Przemyslaw Stefanski
Keyword(s):  
Semiconductor Laser ◽  
Gas Sensor ◽  
Trace Gas ◽  
Mid Infrared ◽  
Recent Advances

scholarly journals Hollow Waveguide Gas Sensor for Mid-Infrared Trace Gas Analysis

2007 ◽  
Author(s):  
Seong-Soo Kim ◽  
Christina Young ◽  
James Chan ◽  
Chance Carter ◽  
Boris Mizaikoff
Keyword(s):  
Gas Sensor ◽  
Gas Analysis ◽  
Trace Gas ◽  
Hollow Waveguide ◽  
Mid Infrared ◽  
Trace Gas Analysis

Recent advances and applications of mid-infrared semiconductor based trace gas sensor technologies

2016 ◽  
Author(s):  
F. K. Tittel ◽  
P. Patimisco ◽  
A. Sampaolo ◽  
V. Spagnolo ◽  
A. Gluszek ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Trace Gas ◽  
Mid Infrared ◽  
Recent Advances

scholarly journals Real-Time Monitoring of 13C- and 18O-Isotopes of Human Breath CO2 Using a Mid-Infrared Hollow Waveguide Gas Sensor

2020 ◽  
Vol 92 (19) ◽  
pp. 12943-12949
Author(s):  
Tao Zhou ◽  
Tao Wu ◽  
Qiang Wu ◽  
Weidong Chen ◽  
Mingwei Wu ◽  
...  
Keyword(s):  
Real Time ◽  
Gas Sensor ◽  
Hollow Waveguide ◽  
Real Time Monitoring ◽  
Human Breath ◽  
Mid Infrared ◽  
Breath Co2

Compact and robust mid-infrared laser-based gas sensor for portable and real-time measurements

2021 ◽  
Author(s):  
Kyoji Shibuya ◽  
Shota Hamauchi ◽  
Keegan Mcwilliams-Ward ◽  
Junichi Aoyama ◽  
Shigeru Nakatani
Keyword(s):  
Real Time ◽  
Gas Sensor ◽  
Infrared Laser ◽  
Mid Infrared

Recent advances and applications of mid-infrared based trace gas sensor technology

2008 ◽  
Author(s):  
F. K. Tittel ◽  
Y. Bakhirkin ◽  
A. Kosterev ◽  
R. Lewicki ◽  
S. So ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Trace Gas ◽  
Sensor Technology ◽  
Mid Infrared ◽  
Recent Advances

scholarly journals Mid-infrared dual-gas sensor for simultaneous detection of methane and ethane using a single continuous-wave interband cascade laser

2016 ◽  
Vol 24 (15) ◽  
pp. 16973 ◽  
Author(s):  
Weilin Ye ◽  
Chunguang Li ◽  
Chuantao Zheng ◽  
Nancy P. Sanchez ◽  
Aleksander K. Gluszek ◽  
...  
Keyword(s):  
Gas Sensor ◽  
Continuous Wave ◽  
Simultaneous Detection ◽  
Mid Infrared ◽  
Interband Cascade Laser
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