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  • Dr. Raghwendra Kumar

Personal Details

NameDr. Raghwendra Kumar
DesignationAssistant Professor
Date Of Birth
Date Of joining20/02/2018
Miscellaneous


Designation Details:

Assistant Professor



Qualification And Specialization Details:

M. Sc., PhD (IIT Kanpur, India)



Teaching Experience Details:

Three years two months



Workshop:

Workshop Attended
  1. INDO-FRENCH Workshop on Micro-wave Nanotechnology held at IISc Banglore from July 3rd - 4th 2017.
  2. 2nd Hands-on course on Optical Instruments Technology, CSIR-CSIO Chandigarh 4th - 8th April 2016.
  3. IEEE MTT-S Workshop on THz Imaging, Systems and Technology, held at IIT Kanpur, February 18, 2


Conference:

Conference Attended
  1. Faculty Development Program on Photonics Communications and Its Applications held at NIT Patna, 9th -13th July 2019.
  2. Workshop on Recent Advances in Photonics (WRAP) held at IIT Guwahati, 13-14th December 2019 organized by IEEE Photonics in collaboration with IIT Guwahati
  3. XLII ANNUAL MEETING OF THE OPTICAL SOCIETY OF INDIA, OSI-International Symposium on Optics (OSI-ISO 2018) held at IIT Kanpur from 19 –22 September 2018.
  4. Discussion Meeting on Emerging Themes in Nanophotonics 2015, held at Goa-India, December 02 - 04, 2015.


Awards (If any):

  1. Council of Scientific and Industrial Physics (CSIR) JRF (NET) with All India Rank-54 (2012)
  2. Graduate Aptitude Test in Engineering (GATE) with All India Rank-98 (2012)
  3. Joint Entrance Screening Test (JEST) with All India Rank-191 (2012).
  1. Best Poster Award (Sponsored by OSA ) in XLII ANNUAL MEETING OF THE OPTICAL SOCIETY OF INDIA, OSI - International Symposium on Optics (OSI-ISO 2018) held at IIT Kanpur from 19 –22 September 2018.
  2. Our Current Science paper entitled as “Microstructuring by two-photon polymerization using a sub-nanosecond laser”, was highlighted and appeared on the front page of the journal in 2017.

III. Our Applied Physics Letters paper entitled as “Thermally induced nonlinear optical absorption in metamaterial perfect absorbers”, was appeared on the front page of the journal in 2015.

IV.  Best Poster Award in 8th India-Singapore symposium in condensed matter physics 2015, held at IIT Kanpur, Kanpur-India, Feb 25 - 27, 2015.

V. Selected for the post of PGT at Kendriya Vidyalaya in 2012.
VI. Selected for the post of Scientific Assistant at Variable Energy Cyclotron Centre (VECC), Kolkata in 2010.
VI. 1st  Rank in University, Under Graduate (B. Sc.) and 3rd Rank in University, Post Graduate (M.Sc.).



Membership of Academic Bodies:

Member of Optical Society of America (OSA)



Research Paper:

Journal Papers
  1. Raghwendra Kumar and S. A. Ramakrishna, “Enhanced infrared transmission through subwavelength hole arrays in a thin gold film mounted with dielectric micro-domes”; J. Phys. D: Appl. Phys. 51 (2018) 165104 (10pp).
  2. Raghwendra Kumar, Amit K. Agarwal and S. Anantha Ramakrishna, “Development of a metamaterial structure for large area surfaces with specified infrared emissivity” Opt. Eng., 57 (8), 087109 (2018)
  3. Sriram Guddala, Raghwendra Kumar, and S. Anantha Ramakrishna, “Thermally induced nonlinear optical absorption in metamaterial perfect absorbers,” Applied Physics Letters 106, 111901 (2015).
  4. Raghwendra Kumar and S. Anantha Ramakrishna, “Microstructuring by two-photon polymerization using a sub-nanosecond laser”, Current Science, 112, 8, 25, (2017), p-1668-1674.
  5. Raghwendra Kumar and S. Anantha Ramakrishna, “A simple design of metamaterial absorber associated with Fano-like resonance” arXiv:1904.03381.
  6. Raghwendra Kumar and S. Anantha Ramakrishna, "Simple trilayer metamaterial absorber associated with Fano-like resonance", Journal of Nanophotonics 14(1), 016011 (18 March 2020)

 

 

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Conference Papers
  1. Prince Gupta, Raghwendra Kumar and S. A. Ramakrishna, “Surface Plasmon Assisted Nonlinearity of Corrugated Gold Grating Structure”, International Conference on Fibre Optics and Photonics, OSA, P1A–9, (2016).
  2. Faraz Inam, Raghwendra Kumar, Naorem Rameshwari, Desmond Lau, Saikat Ghosh, Brant C. Gibson, S. A. Ramakrishna and Stefania Castelletto, “Studying Quantum Light Emission from Color CentersEmbedded in Ultra-thin Films SiC from Pulsed Laser Deposition”, International Conference on Fibre Optics and Photonics, OSA, P1A–11, (2016).
  3. Raghwendra Kumar and S. A. Ramakrishna, "A simple tri-layer metamaterial absorber for large area fabrication", Workshop on Recent Advances in Photonics (WRAP) 2019,  Date Added to IEEE Xplore27 February 2020 DOI: 10.1109/WRAP47485.2019.9013726
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Teaching Meterials:

B.Sc. Part-III (Quantum Mechanics)Postulates of Quantum Mechanics Download 1
B.Sc. Part-III (Quantum Mechanics)

Harmonic Oscillator

Download 1
Electrostatics field in the matter and Clausius Mossotti relation 

B. Sc. Part-II (Electrostatics)

 

Download 1
LANGEVIN THEORY OF BROWNIAN MOTION

B. Sc. Part-I (Heat)

Download 1
Wiedemann-Franz Law

B. Sc. Part-I (Heat)

Download 1
Van der Waals Equation

B. Sc. Part-I (Heat)

Download 1
Multipole Expansion

B. Sc. Part_II (Electrostatics)

Download 1
Assignment No. #1 Topic: Van der Waals Equation

B. Sc. Part-I (Heat)

Download 1
Solution of Assignment No. #1 (Van der Waals equation)

B. Sc. Part-I (Heat)

Download 1
Maxwell-Boltzmann Velocity Distribution

B. Sc. Part-I (Heat)

Download 1
Assignment No. #2@Maxwell-Boltzmann Velocity Distribution

B. Sc. Part-I (Heat)

Download 1
Kinetic Theory of Gasses

B.Sc. Part-I (Heat)

Download 1
Assignment No. #3_Kinetic Theory of Gasses

B.Sc. Part-I (Heat)

Download 1
Origin of Quantum Mechanics

B.Sc. Part-III (Quantum Mechanics)

Download 1
Particle Aspect of Radiation: Blackbody

B.Sc. Part-III(Quantum Mechanics)

Download 1
Particle Aspect of Radiation: Photoelectric Effect

B. Sc. Part-III (Quantum Mechanics)

Download 1
Particle Aspect of Radiation: Compton Effect

B. Sc. Part-III (Quantum Mechanics)

Download 1


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