Wide Band Coupler (WBC)

Wide Band Coupler (WBC)
Wide Band Coupler (WBE)
Overview:
LightComm uses unique bandwidth expanding techniques (asymmetric techniques) to build the wide
band coupler (WBC). The WBC has an operating bandwidth of ±40nm, and it features low excess loss
and low wavelength depend loss (WDL).
Features:
* Low excess loss
* Low WDL
* High stability and reliability
Applications:
* Optical communication system
* LAN
* CATV
* Optical fiber sensors
* Testing instrument
Specification:
Grade
P
Parameter
A
Operating wavelength(nm)
1310 or 1550, or C+L Band
Operating bandwidth(nm)
±40
Typical excess loss(dB)
0.07
0.10
50/50
≤3.4
≤3.6
40/60
≤4.4/2.6
≤4.7/2.8
30/70
≤5.7/1.9
≤6.0/2.0
Insertion
20/80
≤7.6/1.2
≤8.0/1.3
loss (dB)
10/90
≤11.0/0.65
≤11.5/0.8
5/95
≤14.2/0.4
≤14.8/0.5
2/98
≤18.5/0.25
≤19.0/0.35
1/99
≤21.5/0.2
≤22.0/0.3
≤0.10
≤0.15
PDL (dB)
Directivity(dB)
≥55
Operating temperature(℃)
-40 ~ +85
*Other specifications can be made on customer request.
Package Information:
*Other package dimensions can be made on customer request.
Ordering Information:
WBC-X—XXX-—XXXX---XX/XX-—X--—X---XX/XXX--XX*XX
│ │
│
│ │ │
│
└─→Package:3.0×54 etc.
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
│
└─→Connector:FC/UPC, FC/APC etc.
└──→Fiber Type:0=SMF-28, 1=flexcore, 4=others
└──→Pigtail Type:0=250µm, 1=900µm, 2=2mm,
3=3mm, 4=others
└──→Coupling Ratio:01/99, 50/50 etc.
└──→Operating Wavelength:131=1310nm, 155=1550nm,
1315=1310&1550nm etc.
└──→Port Number:1×2, 2×2etc.
└──→Grade:P=Perfect, A=Grade A, X=On customer request
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