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Mini Single Window Single Mode Fiber Coupler
Mini SWFC Series
Features Miniature Package Wavelength Independent Low Insertion Loss and PDL High Power Handling Guaranteed Reliability
Mini Single Window Single Mode Fiber Coupler
The Oplink mini fused single window wideband fiber 1x2 (2x2) couplers provide accurate optical signal coupling and splitting over wide bandwidth with high performance and high reliability in miniature or sub-miniature package. These couplers have excellent uniformity, low excess loss and very low polarization sensitivity and are available with various tap ratios, wavelength ranges, fiber types, and connector options. The small form factor with reduced cladding fiber is essential for compact system integration. All devices are shown to be able to handle high optical power up to 4W and are tested according to industry standard procedures. Reliability is guaranteed through stringent tests to fully meet Telcordia GR-1221 requirements. 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.
Port 1 In
Applications Signal Monitoring in EDFA Network Monitoring CATV Local Area Networks Testing Instruments Laboratory R&D
L
Port 2 Main (High%)
Port 4 (terminated for 1x2 configuration)
O
Port 3 Tap (Low%)
Performance Specifications
Parameter
Operating Wavelength Range Fiber Type
nm
980nm 1310nm 970~990 1270~1350 Corning HI980 HI1060 OFSBF05635-02
S band 1420~1500
C band 1530~1565
L band 1570~1605
C+L band 1530~1610
Corning SMF-28 Corning RC SMF-28
Insertion loss 1 Return Loss min Directivity min Temperature dependent Loss 2 max Optical Power Tolerance max Operating Temperature Range3 Storage Temperature Range
Qualifications
See Insertion Loss Table I, II, III 55 dB 55 dB Signal Path: < 0.10dB,Tap Path: < 0.15dB 4W -40 to 75 C -40 to 85 C P5: 250m SMF-28 fiber, Miniature (O)3.0 x (L)35 mm P8: 80m RC SMF-28, Subminiature (O)3.0 x (L)28 mm Telcordia GR-1221
1. Under all states of polarization and within the full operating temperature and wavelength ranges specified, not include contribution from connectors. 2. Temperature Sensitivity Coefficient ~0.002dB/C at the range of -5 to 75C 3. Operating temperature range changes to -5 to 75C in P2, P3 package and all package with connectors 4. The mechanical tolerance should be +/- 0.2 mm on all package dimensions unless otherwise custom specified.
Oplink Communications, Inc.
R3.20070823
Mini Single Window Single Mode Fiber Coupler
Mini SWFC Series
Insertion Loss Tables
Insertion Loss (IL) I : C or L band coupler
P Grade Coupling Ratio A Grade
IL1 (dB) Signal 0.18 0.25 0.30 0.35 0.60 0.85 1.15 1.35 1.75 2.10 2.50 2.85 2.80-3.30 Tap 19.0-21.0 16.4-18.4 14.6-16.2 12.4-13.8 9.60-10.8 7.80-8.80 6.60-7.60 5.75-6.50 5.00-5.50 4.40-4.90 3.95-4.30 3.35-3.80
99/1 98/2 97/3 95/5 90/10 85/15 80/20 75/25 70/30 65/35 60/40 55/45 50/50
PDL 2 (dB) Signal Tap 0.04 0.12 0.04 0.12 0.04 0.12 0.04 0.10 0.05 0.10 0.05 0.10 0.05 0.10 0.06 0.10 0.06 0.10 0.10 0.07 0.07 0.09 0.07 0.09 0.08
IL 1 (dB) Signal 0.20 0.30 0.35 0.40 0.65 0.90 1.15 1.44 1.82 2.15 2.60 2.90 Tap 17.7-21.5 16.0-19.4 14.0-16.8 12.0-14.4 9.20-11.2 7.5-9.0 6.4-8.0 5.6-6.7 4.9-5.8 4.3-5.0 3.7-4.6 3.1-4.0 2.70-3.30
PDL 2 (dB) Signal Tap 0.05 0.15 0.05 0.15 0.05 0.15 0.05 0.15 0.06 0.14 0.06 0.14 0.07 0.13 0.07 0.13 0.08 0.12 0.08 0.12 0.08 0.10 0.09 0.10 0.10
1. Insertion loss over operating wavelength range at ~23C (excluding PDL and TDL). 2. Insertion loss change over the all input polarization states.
Insertion Loss (IL) II : 1310nm, S or C+L band coupler
P Grade Coupling Ratio A Grade
99/1 98/2 97/3 95/5 90/10 85/15 80/20 75/25 70/30 65/35 60/40 55/45 50/50
Signal 0.18 0.25 0.30 0.35 0.60 0.90 1.15 1.50 1.75 2.05 2.50 2.85 2.70-3.40
IL1 (dB)
Tap 18.2-21.0 16.0-18.6 14.4-16.4 12.2-14.0 9.40-11.0 7.70-8.85 6.30-7.80 5.45-6.70 4.60-5.75 4.10-5.05 3.85-4.40 3.15-3.80
Signal 0.04 0.04 0.04 0.04 0.05 0.05 0.05 0.06 0.06 0.07 0.07 0.07
PDL 2 (dB)
Tap 0.15 0.12 0.12 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.09 0.09
Signal 0.23 0.30 0.34 0.40 0.65 0.85 1.15 1.44 1.82 2.02 2.60 2.81
0.08
Tap 17.4-21.5 15.2-19.8 13.7-17.1 11.8-14.7 9.00-11.3 7.4-9.1 6.0-8.1 5.5-6.8 4.7-5.9 4.2-5.0 3.7-4.6 3.1-4.0 2.60-3.50
IL 1 (dB)
PDL 2 (dB) Signal Tap 0.05 0.20 0.05 0.15 0.05 0.15 0.05 0.15 0.06 0.15 0.06 0.15 0.07 0.14 0.07 0.14 0.08 0.13 0.08 0.13 0.09 0.11 0.09 0.11 0.10
1. Insertion loss over operating wavelength range at ~23C (excluding PDL and TDL). 2. Insertion loss change over the all input polarization states.
Insertion Loss (IL) III : 980nm coupler
P Grade Coupling Ratio A Grade
99/1 95/5 90/10 80/20 70/30 60/40 50/50
Signal 0.20 0.38 0.60 1.30 1.90 2.60 2.70-3.40
IL1 (dB)
Tap 18.5-21.0 11.4-14.8 9.20-11.3 5.70-7.90 4.30-6.00 3.40-4.70
Signal 0.05 0.05 0.07 0.10 0.10 0.10
PDL 2 (dB)
Tap 0.12 0.12 0.12 0.12 0.10 0.10 0.10
Signal 0.25 0.50 0.70 1.5 2.2 2.8
Tap 15.5-21.5 11.2-15.2 8.70-11.7 5.4-8.5 4.2-6.4 3.2-4.7 2.60-3.60
IL 1 (dB)
PDL 2 (dB) Signal Tap 0.07 0.15 0.07 0.15 0.10 0.15 0.10 0.15 0.10 0.15 0.10 0.15 0.15
1. Insertion loss over operating wavelength range at ~23C (excluding PDL and TDL). 2. Insertion loss change over the all input polarization states.
Oplink Communications, Inc.
R3.20070824
Mini Single Window Single Mode Fiber Coupler
MIni SWFC Series
Ordering Information
Oplink can provide a remarkable range of customized optical solutions. For detail, please contact Oplink's OEM design team or account manager for your requirements and ordering information (510) 933-7200.
SWFC
0
0
Wavelength
980nm= 9 1310nm= 3 C band= 5 S band= 4 L band= 6 C+L band= 1
Type
1x2= 1 2x2= 2
TapRatio
50/50= 50 45/55= 45 40/60= 40 35/65= 35 30/70= 30 25/75= 25 20/80= 20 15/85= 15 10/90= 10 5/95= 05 3/97= 03 2/98= 02 1/99= 01
Type
P Grade= P A Grade= A
Package Type
P5= 5 P8= 8
Fiber Length
0.5 1.0 1.5 2.0 meter= H meter= 1 meter= 5 meter= 2
Connector Type
None= 1 FC/PC= 2 FC/SPC= 3 FC/APC= 4 SC/PC= 5 SC/SPC= 6 SC/APC= 7 ST= 8 LC= 9 MU= A
Fiber Type
Corning SMF-28= 1 Corning HI1060= 6 Corning HI980= 9 OFS BF05635-02= 7 80m RC SMF-28= 8* (P8 only)
46335 Landing Parkway Fremont, CA 94538-6407 Tel: (510 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com
Note: * 80m RC SMF-28 fiber option is for bare fiber only (no connectors).
R3.20070824
Product Lines
Mux/Demux
Switching/Routing
Coupling/Splitting
Monitoring/Conditioning
Amplification
Interconnect
RGB Laser Modules

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