Ministry of Education
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Dr Raghwendra Kumar

vidwan id: 121684
Male

Assistant Professor, Department of Physics
Patna University, Patna

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Expertise

  • Optics

Publications

Total Articles 15
Books 0
Proceedings 0

Publications

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Scopus

Citations 54
h-index 4

CrossRef

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Citations 60
h-index 3
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Professional Recognition

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Community & Membership

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Bio

Metamaterials, Plasmonics, Graphene, Sensor and Mutliphoton absorption based lithography

Personal Details

  • Male
  • Assistant Professor , Patna University, Patna
  • Patna University, Patna, Bihar
PhD
Indian Institute of Technology Kanpur 2019
Assistant Professor Feb 2018 – Present
Patna University, Patna | Department of Physics

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Guest Faculty

Ashutosh

Prof Ashutosh Kumar

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ASHUTOSH

Dr ASHUTOSH KUMAR

Associate Professor

Co-Authors (2)

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Dr Prince Gupta

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S Anantha

Prof S Anantha Ramakrishna

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Scholarly Work

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Scholarly Publications

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

Open Access
article
Year: 2025. Volume: 322 , Pages: 172190 .
Authors: Amrendra Kumar and Raghwendra Kumar
DOI 10.1016/j.ijleo.2024.172190

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

Open Access
article
Physica Scripta. Year: 2024. Volume: 99 , Pages: 105517 .
Authors: Kumar, Raghwendra
DOI 10.1088/1402-4896/ad7235

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

Open Access
article
Plasmonics. Year: 2024. Pages: 1--11 .
Authors: Kumar, Raghwendra

Graphene-Based Metamaterial Absorber at Optical Frequencies

Open Access
INPROCEEDINGS
Year: 2023. Pages: 1-3 .
Authors: Kumar, Raghwendra
DOI 10.1109/WRAP59682.2023.10712840

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

Open Access
INPROCEEDINGS
Year: 2023. Pages: 1-4 .
Authors: Kumar, Raghwendra and Kumar, Pankaj
DOI 10.1109/MAPCON58678.2023.10463923

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

Open Access
Article
Optics Communications. Year: 2022. Volume: 514 .
Authors: Kumar R.;Kumar P.
DOI 10.1016/j.optcom.2022.128142
2 2

Simple trilayer metamaterial absorber associated with Fano-like resonance

Open Access
Article
Journal of Nanophotonics. Year: 2020. Volume: 14 , Issue: 1 .
Authors: Kumar R.;Ramakrishna S.A.
DOI 10.1117/1.JNP.14.016011
2 4

A simple tri-layer metamaterial absorber for large area fabrication

Open Access
Conference Paper
Year: 2019.
Authors: Kumar R.;Ramakrishna S.A.
DOI 10.1109/WRAP47485.2019.9013726