Standard No.:	GB/T 18311.20-2007
English Name:	Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-20:Examinations and measurements—Directivity of fibre optic branching devices
Chinese Name:	纤维光学互连器件和无源器件 基本试验和测量程序 第3-20部分：检查和测量 纤维光学分路器件的方向性
Chinese Classification:	L50    Optoelectronic device assembly
Professional Classification:	GB    National Standard
ICS Classification:	33.180.20 33.180.20    Fibre optic interconnecting devices 33.180.20
Issued by:	AQSIQ; SAC
Issued on:	2007-6-29
Implemented on:	2007-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	50.00
Delivery:	via email in 1~3 business day

GB/T 18311本部分旨在测量多端口非波长选择的M×N纤维光学分路器件的通道间的光的方向性。方向性定义为从一个输入通道到另一个输入通道的光的比率，通常情况下与前一通道间相互隔离。