1、 60793-1-41 2013 1-41 . IEC 60793-1-41:2010 Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth (IDT) 2014 60793-1-412013 II 27 2002 . 184- 1 - -, - - ( ) - , 4 2 46 3 - 06 2013 . 908- 4 60793-1-41:2010 . 1-41. . (IEC 60973-1-41:2010 Optical fibres Part 1-41: Measurement meth
2、ods and test procedures Bandwidth). - - , - - A 5 1.2012 ( 8). - ( 1 ) , -. () - . , - - (gost.ru). , 2014 , - 1 1-41 . Optical fibres. Part 1-41. Measurement methods and test procedures. Bandwidth 20150101 1 ( 60793-2-10, 60793-30 60793-40). ( -) . . (DMD). : - : ( ); - : ; - : , - (OMBc). : - (OFL
3、) (RML). 1.2 ( 1.3). - , DMD - , . - . 1 , , - ; . 2 OFL - , . (, VCSEL), , - . 60793-1-49 50 , . 60793-2-10:2004 61280-4-1:2003 . 2 : 60793-1-201) . 1-20. . (IEC 60793-1-20 Optical fibres Part 1-20: Measurement methods and test procedures Fibre geometry) 60793-1-421) 1. 1-42. . (IEC 60793-1-42 Opti
4、cal fibres Part 1-42: Measurement methods and test pro-cedures Chromatic dispersion) 1 , - . 60793-1-412013 2 60793-1-431) . 1-43. . (IEC 60793-1-43 Optical fibres Part 1-43: Measurement methods and test procedures Numerical aperture) 60793-1-49:2006 . 1-49. . ( ) (IEC 60793-1-49 Optical fibres Part
5、 1-49: Measurement methods and test procedures Differential mode delay) - - - , 1 , . - , , . , , (). , - , , , , . -, , , , . , , - (). - , , , - , , -. , , , - , . 3 : 3.1 ( 3 ) bandwidth (3 dB): , , , , . f3 dB. , , , , . , 60793-1-49 1,5 . - , . 3.2 (transfer function): , - , . . , , . , . H(f).
6、 3.3 (power spectrum): , , -. . , , . IH(f)I. 3.4 (impulse response): -, , . - . h(t). 60793-1-412013 3 4 4.1 4.1.1 . ( ) , , . - - . - . . - . - , . - , - , . - , - . 4.1.2 . - . - . - . 4.1.3 . , (OMBc) 60793-1-49. 4.1.4 ) , - 10 . , , - 15 (). b) , 90 % . , NIDL (. ). 4 , - . c) 1 3 NIDL, , ( ) - - : NIDL = , 0,5 ; IDF , , ; NIDL 12001400 . - 10 0,5. NIDL -. , NIDL 0,5 , 500 , , 500 . NIDL - . d) - . 60793-1-412013 4 4.2 4.2.1 (OFL) 4.2.1.1 OFL 1 - . D. - . - . OFL ,
