Ramya Selvaraj

National Institute of Technology Raipur — India

Chemistry · Physical Sciences

9h-index348citations40works0.82yr avg
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Research Topics

Spectroscopy and Laser Applications(30), Gas Sensing Nanomaterials and Sensors(15), Atmospheric and Environmental Gas Dynamics(11), Advanced Chemical Sensor Technologies(11), Atmospheric Ozone and Climate(8)

Publications40 total

Hydrogen Sensors: A Review
Communications in computer and information science·2026
Review of a Sensor-Based Method for Monitoring Exhaled Methane for Gut Health Assessment
Communications in computer and information science·2026
Sensing and Measurement of Acetone Using Quartz-Enhanced Photoacoustic Spectroscopy in the Mid-IR Region from Human Exhaled Breath
2025
Quartz-Enhanced Photoacoustic Spectroscopy-Based Acetone and Ammonia Measurements from Human Breath Near 8 μm Wavelength Band
ACS Sensors·2025· 9 cited
Ethane Detection Using Super Continuum Laser Based Broadband Photoacoustic Spectroscopy
2025
Hollow Core Fiber-Based Broadband Absorption Spectroscopy for Enhanced Sensitivity in the NIR Region Using Cumulative Absorbance
2025
Laser-Assisted Techniques for Trace Gas Sensing and Measurements
Lecture notes in civil engineering·2025
Multigas Monitoring Using Hollow Core Waveguide
Lecture notes in civil engineering·2025
Quartz Enhanced Photoacoustic Spectroscopy Based Measurement of Acetone, Ammonia and Methane in 8 μm band
2024
Hollow-Core Fiber-Based Broadband Absorption Spectroscopy With Dual-Wavelength Measurements to Remove the Effect of Multigas Interference
IEEE Sensors Letters·2024· 1 cited
Dissolved Gas Analysis-Based Internal Fault Classification in Transformers Using Support Vector Machine
2024· 1 cited
Broadband Absorption Spectroscopy for Multigas Sensing using Hollow Core Waveguide
2024
Broadband Absorption Spectroscopy for Carbon Dioxide Gas Sensing Using Hollow Core Fibre
2024
Detailed analysis of the R<sub>1f</sub>/ΔI<sub>1</sub> WMS technique and demonstration of significantly higher detection sensitivity compared to 2f WMS for calibration-free trace gas sensing
Applied Optics·2023· 6 cited
Dual Absorption Broadband Photoacoustic Technique to Eliminate Interference in Gas Mixtures
IEEE Sensors Journal·2023· 15 cited
Low Volume Gas Sensing using Hollow-core Fiber for Detection of Methane and Ammonia with Supercontinuum Source
2023· 1 cited
Measurement of Atmospheric Carbon dioxide using Hollow-core Absorption and Photoacoustic Spectroscopy with a Broadband Laser Source
2023
Hollow Core Waveguide assisted Broadband Methane Sensing
2023
Broadband Photoacoustic Spectroscopy Technique in $2\mu \mathrm{m}$ Wavelength Range for Sensing of Moisture and Carbon Dioxide
2022
Broadband Photoacoustic Spectroscopy Technique in 2µm Wavelength Range for Sensing of Moisture and Carbon dioxide
2022· 1 cited
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Frequent Co-authors

Nilesh J. Vasa(24), S. M. Shiva Nagendra(11), Saran Kumar K(9), S Satyanarayanan(7), J. F. McDonald(4), K. Saran Kumar(3), Satyanarayanan Seshadri(3), Esther Blesso Vidhya Y(3), Vivek Bargate(3), H.T. Lin(2), Naksoo Kim(2), Shiva Nagendra SM(2), R. U. Rajapakse(2), Shiva Nagendra S M(2), K.N. Sulochana(2), Chirag Sahu(2), Boris Mizaikoff(1), K. Sivagami(1), Govindaraj Divyapriya(1), P. Madhiyazhagan(1)