高功率保偏耦合器

高功率微光学型保偏耦合器 high power pm filter coupler 1x2(2x2)    pdf资料下载 applications: features: edfa fiber optical instrument powermonitoring fiber sensor low insertion loss high extinctionratio、high isolation、high power high stability and reliability    parameter unit specification part no. -l-p-ft-pf-c type. - 1x2 2x2 wavelength nm,1064 ,1064 operating bandwidth nm ±40±20 ±40 ±20 excess loss db <0.7 <0.8 <1.0 <1.2uniformity(only for 50/50) db <0.4 <0.5 <0.6 <0.8 tapratio % 1±0.2%,2±0.4%,5±1%,10%,20%,30%,50% er type b(both of axisworking) - >20 >20 >18 >18 er type f(fast axis blocked)- >22 >22 >22 >20 return loss db >50 power handlingcw w 1,2,3,5 fiber type - pm1310,pm1550,pm980 operating temperature°c -5~+70 storage temperature °c -40~+85 dimensions mm φ5.5 × l35or l90*w20*h9.5 above specifications are for devices withoutconnector. for devices with connectors, il will be 0.3 dbhigher and rl will be 5 db lower . and er will be 2dblower.the pm fiber and the connector key are aligned to the slowaxis. and for f type, fast axis is blocked.                    联系人： michael李       (欢迎来电) 工作邮箱:  michael@     咨询qq: 3191209539 (欢迎咨询) 公司固话：021-64778883