TY - BOOK AU - Bose,Ashima AU - Saha,Subhas Chandra AU - Gangopadhyay,Sankar TI - Simple but accurate formalism for investigation on propagation parameters of first higher order modal field in optical fibers and associated fiber optic devices U1 - 621.3692 21 PY - 2016/// CY - Midnapore PB - Vidyasagar University KW - Fiber optics N1 - Includes references ER -