全系列保偏器件。
器件包括;保偏隔离器，保偏环行器，保偏光开关，保偏准直器，偏振分束器/合束器，保偏手动可调衰减器，保偏带通滤波器2nm,5nm，在线起偏器，保偏带通滤波器+隔离器，保偏跳线，等一系列器件 
可以提供各种特殊波长器件的订制；
1030nm，1064nm，1053nm，850nm,780nm,980nm，等。
欢迎您的咨询。
保偏耦合器
applications:
features:
edfa
fiber optical instrument
power monitoring
fiber sensor
low insertion loss
high extinction ratio
high isolation
high stability and reliability
parameter
specification
parameter
1 x 2
2 x 2
part no.
lq-coupler -w-pt-cr-aa-fa
wavelength (nm)
1310, 1480,1550
980,1030,1064
1310, 1480,1550
980,1030,1064
operating bandwidth (nm)
±40
±20
±40
±20
excess loss (db)
≤0.7
≤0.8
≤1.0
≤1.2
uniformity(only for 50/50)  (db)
≤0.4
≤0.5
≤0.6
≤0.8
tap ratio (%)
1±0.2%,2±0.4%,5±1%,10%,20%,30%,50%
extinction ratio(db)
type b
(both of axis working)
≥20
≥20
≥18
≥18
type f
(fast axis blocked)
≥22
≥22
≥22
≥20
return loss (db)
≥50
power handling (mw)
≤300
fiber type
tap port 2(only for 1x2)
smf-28e or pm1310 panda fiber for 1310nm, smf-28e or pm1550 panda fiber for 1550nm, hi 1060 or pm980 panda fiber for 980nm &1064nm
tap port 2&4(only for 2x2)
pm1310 panda fiber for 1310nm,pm1550 panda fiber for 1550nm
pm980 panda fiber for 980nm&1064nm
port 1 & 3
pm1310 panda fiber for 1310nm,pm1550 panda fiber for 1550nm
,pm980 panda fiber for 980nm&1064nm.
ports marking color(only for 1x2 250um bare fiber)
port2 :black ,other ports :clear
ports marking color(only for 1x2 with 900um loose tube )
900um red loose tube for all ports; marking:port2:black.
ports labeling (only for 2x2 250um& with 900um loose tube )
250um bare fiber& 900um red loose tube for all ports; labeling port1,port2 ,port3,port4.
operating temperature (°c)
-5~+70
storage temperature(°c)
-40 ~ +80
dimensions (mm)
φ5.5 × l35(p1) (only for bare fiber or 900um loose tube)
l90*w20*h9.5（abs）(p2) (only for3mmor2mmcable)
*above specifications are for devices without the connectors.
*for devices with connectors, il will be 0.3db higher, rl will be 5db lower, and er will be 2db lower.
*the pm fiber and the connector key are aligned to the slow axis. and for f type, fast axis is blocked
order  information:
lq-coupler -w-pt-cr-aa-fa
w:wavelength,  13=1310, 15=1550, ect
pt: port type, 1=1x2,2=2x2
cr: coupling ratio, c/r,c=1 to 99, r=99 to 1,
aa: axis alignment, f=fast axis blocked b=both axis working
ftp:fiber for tap port,1=panda fiber, 2=smf-28e, 3=hi1060
fa:connector, fu=fc/upc,fa=fc/apc,sa=sc/apc,,su=sc/upc,la=lc/apc,lu=lc/apc
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上海量青光电技术有限公司

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中国 上海