त्वरित संपर्क
एस. आनंता रामकृष्ण
PhD (Raman Research Institute, Bangalore / JNU Delhi)
Professor, Department of Physics
शोध करना दिलचस्पी
Photonic properties of nano- and micro-structured materials, Development of metamaterials and plasmonic surfaces for applications at infra-red to optical frequencies, Negative refractive index, near-field imaging using negative index and plasmonic materials, We work on both theory and experiments.
SL-217A,
Department of Physics
Labs addresses: CL -104 B, Department of Physics,
IIT Kanpur,
Kanpur 208016
विशेषज्ञता
Optics/ Photonics (Metamaterials, plasmonics), Micro- and nano-structured materials (metamaterial and photonic nanostructures),condensed matter Physics
शिक्षा
PhD (Physics), 2001 (Raman Research Institute, Bangalore)Thesis Title:Light transport and localization in Active and passive random mediaThesis Supervisor:Prof. N. Kumar
M.Sc., (Integrated 5-years) in Physics, 1995 (IIT Kanpur)
शिक्षण क्षेत्र
Optics, Electromagnetism, Mathematical Physics, Quantum Mechanics, Experimental Physics, Nanotechnology, Metamaterials
चयनित प्रकाशन
Govind Dayal and S.A. Ramakrishna, "Broadband infrared metamaterial absorber with visible transparency using ITO as ground plane", Opt. Express, Vol.22, pp. 15104-15110 (2014)
Jhuma Dutta, S.A. Ramakrishna and A. Lakhtakia, "Blazed gratings of periodically patterned columnar thin films", Appl. Phys. Lett. Vol. 102, Art. No. 161116 (2013)
Prasanta Mandal, Prince Gupta, Amitabh Nandi and S.A. Ramakrishna, "Surface enhanced fluorescence and imaging with plasmon nearfields in gold corrugated gratings", J. Nanophoton. Vol. 6, Art. No. 063527 (2012)
S. Anantha Ramakrishna, P. Mandal, K. Jeyadheepan, N. Shukla, S. Chakrabarti, M. Kadic, S. Enoch and S. Guenneau, "Plasmonic interaction of visible light with gold nano-checkerboards", Phys. Rev. B, Vol. 84 , Art. No. 245424 (2011)
P. Mandal and S.A. Ramakrishna, "Dependence of surface enhanced Raman scattering on the plasmonic template periodicity", Opt. Lett., Vol. 36, pp. 3705 - 3707 (2011)
Jhuma Dutta, S.A. Ramakrishna and A. Lakhtakia, Blazed gratings of periodically patterned columnar thin films, Appl. Phys. Lett. 102, Art. No. 161116 (2013)
Govind Dayal and S.A. Ramakrishna, Design of highly absorbing metamaterials for Infrared frequencies, Opt. Express 20, 17503-17508 (2012)
S. A. Ramakrishna, P. Mandal, K. Jeyadheepan, N. Shukla, S. Chakrabarti, M. Kadic, S. Enoch and S. Guenneau, Plasmonic interaction of visible light with gold nano-checkerboards, Phys. Rev. B 84 , 245424 (2011)
P. Mandal and S.A. Ramakrishna, Dependence of surface enhanced Raman scattering on the plasmonic template periodicity, Opt. Lett. 36, pp. 3705 - 3707 (2011)
Sangeeta Chakrabarti, S.A. Ramakrishna and H. Wanare, Coherently Controlling metamaterials, Opt. Express 16, 19504-19511 (2008)
पुरस्कार एवं फैलोशिप
Swarnajayanti Fellowship 2012 by the Department of Science and Technology, India
P.K. Kelkar Research Fellow at IIT Kanpur (2009-2012)
Young Affilate, Third World Academy of Sciences (2007-2012)
Young Scientist Medal, Indian National Science Academy, Delhi (2007)
Young Scientist, Indian Academy of Science, Bangalore (2004-2007)
कीवर्ड
Metamaterials, plasmonics, nanophotonics,
पेशेवर अनुभव
Mar. 2012 - present: Professor, Department of Physics, Indian Institute of Technology, Kanpur Dec. 2007 - Mar. 2012: Associate Professor, Department of Physics, Indian Institute of Technology, Kanpur May 2003 - Dec. 2007: Assistant Professor, Department of Physics, Indian Insitute of Technology Kanpur
Aug. 2008 - Dec. 2008: Associate Professor, Indian Institute of Science Education and Research, Mohali (On leave from IIT Kanpur) Adjunct Faculty, Indian Institute of Science Education and Research, Mohali (2009-2012)
Visiting Professor, Nanophotonics and Metrology group , Ecole Polytechnique Federale Lausanne, Switzerland (June-July, 2007)
Invited Professor, Institut Fresnel, Universite Aix Marseille-I, France (May, 2007)
Mar. 2001 - Apr. 2003: Post doctoral researcher, Condensed matter theory group, Blackett Laboratory, Imperial College London (Worked with Sir John Pendry)
CV
https://home.iitk.ac.in/~sar/bp.html