Dr. Kathirvel Nallappan Profile

Dr. Kathirvel Nallappan

Ph.D researcher at Polytechnique Montreal

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Publications (7)

Proceedings Article | 15 June 2023 Presentation

Gas sensing using THz phase-shifted waveguide Bragg gratings based on 3D-printed two-wire plasmonic waveguides

Yang Cao, Kathirvel Nallappan, Guofu Xu, Maksim Skorobogatiy

Proceedings Volume 12532, 125320S (2023) https://doi.org/10.1117/12.2662592

KEYWORDS: Terahertz radiation, Waveguides, Plasmonic waveguides, Bragg gratings, Sensors, Refractive index, Spectroscopes, Signal to noise ratio, Pollution, Plasmonics

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Proceedings Article | 3 March 2022 Presentation

Real-time terahertz Imaging: antenna arrays, spectral encoding, and super-resolution microscopy

Hichem Guerboukha, Kathirvel Nallappan, Raphaël Henri, Yang Cao, Denis Lavrukhin, Alexander Yachmenev, Rustam Khabibullin, Dmitry Ponomarev, Maksim Skorobogatiy

Proceedings Volume PC11975, PC1197502 (2022) https://doi.org/10.1117/12.2612076

KEYWORDS: Terahertz radiation, Computer programming, Antennas, Super resolution, Millimeter wave imaging, Imaging spectroscopy, Biomedical optics, Imaging arrays, Stochastic processes, Spectroscopy

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Proceedings Article | 1 August 2021 Presentation

Subwavelength solid core dielectric terahertz fibers for short range communications

Kathirvel Nallappan, Yang Cao, Guofu Xu, Hichem Guerboukha, Chahe Nerguizian, Maksim Skorobogatiy

Proceedings Volume 11827, 1182705 (2021) https://doi.org/10.1117/12.2593927

KEYWORDS: Dielectrics, Terahertz radiation, Solids, Telecommunications, Signal attenuation, Free space, Wireless communications, Waveguides, Dispersion

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Proceedings Article | 1 August 2021 Presentation

Infinite 3D printed microstructured low-loss and near-zero dispersion polypropylene fiber for THz communications

Guofu Xu, Kathirvel Nallappan, Yang Cao, Maksim Skorobogatiy

Proceedings Volume 11826, 1182602 (2021) https://doi.org/10.1117/12.2592092

KEYWORDS: Terahertz radiation, 3D printing

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Proceedings Article | 14 May 2018 Presentation + Paper

Exploiting k-space/frequency duality in Fourier optics toward real-time compression-less terahertz imaging

Hichem Guerboukha, Kathirvel Nallappan, Maksim Skorobogatiy

Proceedings Volume 10669, 106690N (2018) https://doi.org/10.1117/12.2304892

KEYWORDS: Terahertz radiation, Fourier optics, Image restoration, Sensors, Reconstruction algorithms, Millimeter wave imaging, Fourier transforms, Binary data

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Proceedings Article | 7 March 2014 Paper

Terahertz spectroscopy of concrete for evaluating the critical hydration level

Jyotirmayee Dash, Shaumik Ray, Kathirvel Nallappan, Saptarshi Sasmal, Bala Pesala

Proceedings Volume 8985, 89850Q (2014) https://doi.org/10.1117/12.2041208

KEYWORDS: Cements, Spectroscopy, Calcium, Terahertz spectroscopy, Silicates, Terahertz radiation, Carbonates, Crystals, Mid-IR, Absorbance

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Proceedings Article | 7 March 2014 Paper

Design and engineering of organic molecules for customizable Terahertz tags

Shaumik Ray, Jyotirmayee Dash, Kathirvel Nallappan, Vaibhav Kaware, Nitin Basutkar, Ashootosh Ambade, Kavita Joshi, Bala Pesala

Proceedings Volume 8985, 89850P (2014) https://doi.org/10.1117/12.2041194

KEYWORDS: Terahertz radiation, Molecules, Hydrogen, Chemical species, Molecular spectroscopy, Spectroscopy, Electromagnetism, Nitrogen, Absorbance, Molecular interactions

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Showing 5 of 7 publications

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