Slow-Light Enhanced Liquid and Gas Sensing Using 2-D Photonic Crystal Line Waveguides—A Review
A Singhal, I Paprotny - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Photonic crystals (PhCs) are periodically structured dielectric materials that have attracted
significant research interest in the last two decades for their ability to slow down the group …
significant research interest in the last two decades for their ability to slow down the group …
Environmental mid-infrared gas sensing using MEMS FTIR spectrometer
In this work, we report carbon dioxide gas sensing in the ambient air in the mid-infrared
range around 4250 nm using MEMS FTIR spectrometer. The core engine of the …
range around 4250 nm using MEMS FTIR spectrometer. The core engine of the …
MEMS FTIR optical spectrometer enables detection of volatile organic compounds (VOCs) in part-per-billion (ppb) range for air quality monitoring
Air pollution is used to refer to the release of pollutants into the air, where these pollutants
are harmful to the human health and our planet. The main source of these pollutants comes …
are harmful to the human health and our planet. The main source of these pollutants comes …
Silicon photonic mid-infrared grating coupler based on silicon-on-insulator technology
A novel vertical grating coupler design and optimization is presented to enable coupling of
mid-infrared light into silicon-on-insulator integrated optical gas sensor circuit. The target …
mid-infrared light into silicon-on-insulator integrated optical gas sensor circuit. The target …
MEMS FTIR spectrometer with enhanced resolution for low cost gas sensing in the NIR
In this work, we report the detection of C 2 H 2 and CO 2 in the NIR range using a MEMS
Fourier Transform Infrared (FTIR) spectrometer. For this purpose, a super resolution …
Fourier Transform Infrared (FTIR) spectrometer. For this purpose, a super resolution …
On the detection of volatile organic compounds (VOCs) using machine learning and FTIR spectroscopy for air quality monitoring
Air pollution refers to the release of pollutants into the air that is due to energy production
and consumption that release VOCs such as the BTEX group. Real-time monitoring of these …
and consumption that release VOCs such as the BTEX group. Real-time monitoring of these …
Combining MEMS FTIR spectrometer and widened-spectrum mode-locked fiber laser for gas-sensing
Mode-locked fiber lasers are characterized by having high peak power and brightness, in
addition to a high spatial coherence with output confined in the small diameter of a single …
addition to a high spatial coherence with output confined in the small diameter of a single …
Optical MEMS-scale multipass white cell for onchip gas sensing
Spectroscopy-based gas sensing has become a major concern for scientists in different
domains due to its diverse applications in environmental monitoring, industrial productions …
domains due to its diverse applications in environmental monitoring, industrial productions …
[HTML][HTML] Basic and Advanced Logical Concept Derived from Surface Enhanced Infrared Spectroscopy (SEIRS) as Sensing Probe for Analysis of Chemical Species: A …
The worldwide concern for environmental pollution, climate change and health hazards
caused by various pollutants has significantly increased in the recent past. Various …
caused by various pollutants has significantly increased in the recent past. Various …
Cavity enhanced spectroscopy using multi-longitudinal mode laser RF beating
Gas weak absorption in near-infrared is considered as inherent limit hinder the achievement
of the miniaturized gas sensor. Thus, cavity enhanced absorption spectroscopy (CEAS) …
of the miniaturized gas sensor. Thus, cavity enhanced absorption spectroscopy (CEAS) …