Dr. Nirmal K. Viswanathan
Senior Professor
School of Physics (Room No. P-125)
University of Hyderabad, India
Email: nirmalsp@uohyd.ac.in
Phone: 040-23134337
About Us
Dr. Nirmal K. Viswanathan is a Professor at the School of Physics, University of Hyderabad, specializing in experimental and theoretical optics. His research focuses on the generation, manipulation, and application of structured light, particularly in the context of optical singularities and topological effects. His specific interests lie in
Research positions and employment
- 2012 - : Professor, School of Physics, University of Hyderabad
- 2006 - 2012: Associate Professor, School of Physics, University of Hyderabad
- 2005 - 2006: Visiting Assistant Professor, IIT Madras
- 2004 - 2005: Scientist D, IRDE (DRDO), Dehradun
- 2000 - 2004: Senior Research Engineer, 3M Company, Austin, Texas, USA
- 1999 - 2000: Research Associate, Center of High-Technology Materials (CHTM), University of New Mexico, Albuquerque, USA
- 1997 - 1999: Post-doctoral Researcher , Center for Advanced Materials, University of Massachusetts, Lowell, USA
Research Interests
- Singular optics
- Optical angular momentum
- Spin-orbit interaction
- Optical fibers
- Interferometry
Courses Taught
Teaching Experience at under-Graduate and Post-GraduateLevel
- Electromagnetic Theory
- Optics (Theory & Lab)
- Laser Physics (Theory & Lab)
- Waves and Oscillations (Theory & Lab)
- Modern Physics (Lab)
- I M.Sc. labs (Years 1 & 2)
Our Team
Dr. Nirmal K. Viswanathan
Professor
Upasana Baishya
PhD Student
Nitish Kumar
PhD Student
A Harish Kumar
PhD Student
Suhail Mohamed
PhD Student
Dileep Updahyay
PhD Student
Notable Research Publications
- "Measurement of surface chirality at near-normal incidence," Applied Physics Letters 122, 26 (2023).
- "Optical singularity dynamics and spin-orbit interaction due to a normal-incident optical beam reflected at a plane dielectric interface," Physical Review A 107 (1), 013522 (2022).
- "Dark-field spin Hall effect of light," Optics Letters 47 (17), 4479–4482 (2022).
- "Spin–orbit coupling mediated transverse spin mode rotation in a uniaxial crystal," Optics Letters 47 (15), 3768–3771 (2022).
- "Wave dislocation line threaded polarization interferometer," Optics Letters 47 (4), 770–773 (2022).
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