Optical fibre amplifiers - Basic specification - - Part 7-1: Test methods for out-offf-band insertion losses - Filtered optical power meter IEC 61290-7-1 /  
 IEC 61290-7-1 
ISO, IEC. 
 - First edition. 
 - Geneva :   ISO :   IEC,   1998. 
 - 9 stron ;   30 cm.