Author

Raghwendra Kumar

Institutions: Patna University, Bihar National College

Observed institutions: National Institute of Technology Patna, Patna University, Bihar National College, Indian Institute of Technology Kanpur

ORCID: 0000-0003-0664-9516

Observed ORCID: 0000-0003-0664-9516

OpenAlex ID: A5038786677

Thermally induced nonlinear optical absorption in metamaterial perfect absorbers

2015 · Sriram Guddala, Raghwendra Kumar, et al. · Applied Physics Letters · 48

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Fabry–Pérot cavity resonance based metamaterial absorber for refractive index sensor at infrared frequencies

2022 · Raghwendra Kumar, Pankaj Kumar · Optics Communications · 36

Enhanced infrared transmission through subwavelength hole arrays in a thin gold film mounted with dielectric micro-domes

2018 · Raghwendra Kumar, S Anantha Ramakrishna · Journal of Physics D Applied Physics · 15

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Development of a metamaterial structure for large-area surfaces with specified infrared emissivity

2018 · Raghwendra Kumar, Amit K. Agarwal, et al. · Optical Engineering · 14

Simple trilayer metamaterial absorber associated with Fano-like resonance

2020 · Raghwendra Kumar, S. Anantha Ramakrishna · Journal of Nanophotonics · 12

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Graphene-assisted metamaterial absorber for refractive index sensor at lower optical frequencies

2024 · Raghwendra Kumar · Physica Scripta · 10

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Electric-Controlled Switching ON/OFF of Bands in a Graphene-Based Multi-band Metamaterial Absorber

2024 · Raghwendra Kumar · Plasmonics · 8

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Electric field-induced switching of bands in graphene-assisted metamaterial absorber

2024 · Amrendra Kumar, Raghwendra Kumar · Optik · 6

Graphene-supported all-dielectric metamaterial absorber for refractive index sensing at optical frequencies

2025 · Amrendra Kumar, Praveen Kumar Vishwakarma, et al. · Physica Scripta · 4

Microstructuring by Two-Photon Polymerization using a Sub-Nanosecond Laser

2017 · Raghwendra Kumar, S. Anantha Ramakrishna · Current Science · 3

Graphene-Based Metamaterial Absorber at Optical Frequencies

2023 · Raghwendra Kumar · Workshop on Recent Advances in Photonics (WRAP) · 2

Studying Quantum Light Emission from Color Centers Embedded in Ultra-thin-Films SiC from Pulsed Laser Deposition

2016 · Faraz A Inam, Raghwendra Kumar, et al. · International conference on fiber optics and photonics · 1

Graphene-Based Metamaterial Absorber Supported with Machine Learning for Refractive Index Sensing Applications

2026 · Praveen Kumar Vishwakarma, Amrendra Kumar, et al. · Plasmonics

Graphene-Supported Metamaterial Absorber Operating at Optical Frequencies

2025 · Praveen Kumar Vishwakarma, Amrendra Kumar, et al. · International Conference on Electrical, Electronics, Communication and Computers (ELEXCOM)

Angle-dependent switching of bands in metamaterial absorber at near infrared frequencies

2023 · Raghwendra Kumar, Pankaj Kumar · IEEE Microwaves, Antennas, and Propagation Conference (MAPCON)

A simple tri-layer metamaterial absorber for large area fabrication

2019 · Raghwendra Kumar, S. Anantha Ramakrishna · Workshop on Recent Advances in Photonics (WRAP)

Surface plasmon assisted nonlinearity of corrugated gold grating structure

2016 · Prince Gupta, Raghwendra Kumar, et al. · International conference on fiber optics and photonics

Works count: 17

Citation count: 159

H-index: 7

I10-index: 6