Single Window Single Mode Wideband
Tree/Star Coupler (nxm)
SWTC Series
Features
Single Window Single Mode Wideband Tree/Star Coupler (nxm)
Best Uniformity
Low Insertion Loss and PDL
High Directivity
Oplink’s single window, single mode wideband tree and star couplers are high port
count bi-directional products with excellent performance over a wide bandwidth. They
have very good uniformity, low excess loss and very low polarization sensitivity. All
devices are tested according to industry standard test procedures and are supplied
with all pertinent measurement data.
Highly Stable & Reliable
Oplink can provide customized designs to meet specialized feature applications. Also,
Oplink offers modular assemblies that integrate other components to form a full
functionmodule or subsystem.
Applications
Telecommunications
CATV Fiber Optic Links
Fiber Amplifier System
Fiberoptic Instruments
Performance Specifications
SWTC Series (NxM)
Standard Configuration
Grade
Nx4
N=1,2,4
P/A
1310 nm
1270 ~ 1350
Nx5
N=1
P/A
Nx6
Nx8
Nx16
Nx32
Nx40 Unit
N=1,2
P/A
N=1,2
P/A
C Band
1528 ~ 1565
N=1,2,8 N=1,2,16 N=1,2
P/A P/A P/A
L Band
1570 ~ 1650
-40 to +70
-40 to +85
C+L Band
1528 ~ 1610
Operating Wavelength
Operating Temperature
Storage Temperature
Maximum Insertion Loss
Max Uniformity
nm
°C
°C
6.7/7.4
0.8/1.0
0.3
8.3/8.7
1.0/1.2
0.3
9.2/9.6 10.2/11.2 13.5/14.5 17.5/18.5 18.8/20.0
1.2/1.4
0.4
dB
dB
dB
1.2/1.8
0.5
> 55
1.5/2.0
0.6
2.5/3.0
0.8
2.8/3.5
0.8
Polarization Dependent Loss
Directivity
dB
Maximum Power Handling
Package Dimension *
500
P2
mW
mm
P1
P1
P2
P3*
P4
P4
P1: (L)100 x (W)80 x (H)7
P2: (L)130 x (W)90 x (H)9
P3: (L)160 x (W)110 x (H)11
P4: (L)210 x (W)160 x (H)13
* Except for 16x16 which uses P4 package
* The mechanical tolerance should be +/-0.2 mm on all package dimensions unless otherwise custom specified.
** The maximum IL is under all states of polarization and within the full operating temperature and wavelength ranges specified,
does not include contribution from connectors.
R1.20070926
Oplink Communications, Inc.