00326nam a2200121Ia 4500008004000000020001800040082002000058100002100078245002700099260004000126300001200166650002600178210210b2000   xxu||||| |||| 00| 0 eng d  a81 7371 090 2  a621.380414 RAOO  aRAO (M Mukunda).  aOptical communication.  aHyderabadbUniversities Pressc2000  axiv,168  aOptical communication