...

Prof. Arun Kumar R

PhD (Anna University Chennai)

Associate Professor

Department of Physics

Room No: Room No: PHY 316, Department of Physics, MME and Sciences Building , Please visit my website: https://sites.google.com/nitw.ac.in/arun-kumar-raman?usp=sharing   +91-870-2462575
arunkumar@nitw.ac.in Edit Profile Bio Sketch

Research Areas

 Development of non-toxic photonic and sensor nano-materials 

 ECO-FRIENDLY OPTICAL MATERIALS AND SENSORS 

 Growth and characterization of Laser single crystals  

 Growth of single crystals for Environmental dosimetry 

 Preparation of oxide glasses for luminescence applications 

 Synthesis of nanophosphors for white LED applications 

  • Courses Handled
  • Research IDs
  • Selected Publications
  • Project/Consultancy
  • Current PhD Students
  • Awards and Accolades
  • Additional Responsibilities
  • Modern Physics(PHI311)
  • Engineering Physics(PH1161)
  • Transducer Technology(PH16008)
  • ORC ID: https://orcid.org/0000-0002-4283-5714
  • Google Scholar ID: https://scholar.google.com/citations?hl=en&tzom=-330&user=AncXrZwAAAAJ


  • Dual optical thermometry in the near-infrared: temperature-driven luminescence in Yb3+/Er3+-doped NaYF4 phosphor, By Sushree Bedamati, R. Arun Kumar, Przemysław Wozny, Natalia Jurga, Kaushal Kumar, Elsevier, Materials Science in Semiconductor Processing, vol.200, pp.109981, 2025
  • Investigations of Eu3+ activated calcium dialuminate based phosphor-in-glass as an inorganic color converter for solid-state lighting applications, By Mahesha Hegde, Mitrabhanu Behera, Tapas Paramanik, Dominika Przybylska, Przemysław Wozny, R. Arun Kumar, Elsevier, Journal of Alloys and Compounds, vol.1037 , pp.182373, 2025
  • Study of photoluminescence characteristics through Judd-Ofelt theory and novel thermoluminescence properties of CaAl4O7: Eu phosphors synthesized via microwave – assisted combustion method for high-dose gamma application, By Mahesha Hegde, Rajashree Panda, Mitrabhanu Behera, Yashodhara I, Karunakara N, R. Arun Kumar , Springer, Journal of Electronic Materials, vol.54, pp.7642, 2025
  • Efficient multi-functional erbium-doped lithium yttrium fluoride phosphor synthesized by novel microwave-assisted combustion technique for diverse applications, By M.Siva Kumar, Sushree Bedamati, Mitrabhanu Behera, R. Arun Kumar, M. Ramudu, Kaushal Kumar, Przemyslaw Wozny, Kevin Soler-Carracedo, Marcin Runowski, Elsevier, Materials Research Bulletin, vol.190, pp.113484, 2025
  • High-sensitivity optical thermometer operating in cryogenic and high temperature ranges based on luminescence of divalent and trivalent thulium ions in CaAl4O7:Tm2+/3+, By Rajashree Panda, Mitrabhanu Behera, Mahesha Hegde, R. Arun Kumar, V. Gunasekaran, Przemysław Woźny, Kevin Soler-Carracedo, Marcin Runowski, RSC Publishing, J. Mater. Chem. C , vol.13, pp.8776, 2025
  • Investigations on trapping parameters of dysprosium doped lithium potassium borate through thermoluminescence study for high range dosimetry applications, By Rahul Awasthi, R. Arun Kumar, Sejal Chandana, Ram Charan Meena, P. Dinesh Sankar Reddy, K. Asokan, Elsevier, Materials Science & Engineering B, vol.314, pp.118044, 2025
  • Development of thermally stable, single-phased CaAl4O7:Dy3+ phosphor and a study on their down-conversion features for lighting applications, By Rajashree Panda, Mitrabhanu Behera, Mahesha Hegde, R. Arun Kumar, R.K. Padhi, Anuradha M. Ashok, Neeraj Kumar Mishra, Kaushal Kumar, Elsevier, Advanced Powder Technology, vol.35, pp.104672, 2024
  • Highly saturated red-emitting novel europium doped yttrium calcium borate (Eu3+: Y2CaB10O19) phosphor materials for eco-friendly solid-state lighting applications, By Mitrabhanu Behera, Rajashree Panda, R. Arun Kumar, Przemyslaw Wozny, Neeraj Kumar Mishra, Kaushal Kumar, Marcin Runowski, Elsevier, Journal of Alloys and Compounds, vol.1006, pp.176294, 2024
  • Sodium yttrium fluoride doped with Er3+ ions for thermally and non-thermally coupled nano-thermometry and IR detection applications, By Sushree Bedamati, Mitrabhanu Behera, R. Arun Kumar, Kumar Shwetabh, Kaushal Kumar, Elsevier, Journal of Molecular Liquids, vol.411, pp.125685, 2024
  • Robust luminescent material with superior color purity: Sm3+ ion-doped CaAl4O7 phosphor synthesized in a cost-effective approach for solid-state lighting applications, By Rajashree Panda, Mitrabhanu Behera, Mahesha Hegde, Przemysław Woźny, R.K. Padhi, Kaushal Kumar, Neeraj Kumar Mishra, R. Arun Kumar, Marcin Runowski, Elsevier, Journal of Molecular Liquids, vol.409, pp.125441, 2024

Fabrication of eco-friendly, energy-efficient telluro-borate glasses for luminescence thermometry and optical amplifier applications

  • Role Principal Investigator
  • Type Research
  • Sponsor NIT Warangal
  • Duration 12 Months
  • Project Cost (INR) 500000
  • Status Ongoing


Mr. Madella Sivakumar (NIT Andhra Pradesh)

  • Area of Research: Nanothermometry and NIR Sensing

Mr. Mahesha Hegde (NIT Andhra Pradesh)

  • Area of Research: Luminescence and Display devices

Mr. Rahul Awasthi (NIT Andhra Pradesh)

  • Area of Research: Effect of swift heavy ion (SHI) irradiation on specific nano/micro materials

Ms. Shaik Sharmila

  • Area of Research: Optical materials and characterization for luminescence and thermometry applications
  • College Rank holder in PG
  • International Research Project, Poland
  • Postdoctoral Research Fellowship in Japan
  • University Rank holder in UG - Gold Medal
  • Young Scientist Award, GCOE Japan
  • Member, Centre of Excellence in Glass Science and Technology (Continuing from July, 2025)
  • Member, Institute Ranking Committee (Continuing from July, 2025)
  • Warden, Kakatiya Hall of Residence (Continuing from July, 2025)
  • Faculty Advisor (Integrated MSc V Year), Department of Physics (Continuing from June, 2025)
  • Professor-in-Charge (Information), Department of Physics (Continuing from May, 2025)