Institution: | 1. Department of Physics, M.V.J. College of Engineering, Bangalore 560067, India;2. Department of Instrumentation, Indian Institute of Science, Bangalore 560012, India;3. Department of Physics, Govt. First Grade College, K.R. Pura, Bangalore 560036, India;4. Glass Technology Laboratory, Central Glass and Ceramic Research Institute (CSIR), 196, Raja S.C. Mullick Road, Jadavpur, Kolkata 700032, India |