Dual Window Single Mode Wideband Fiber Coupler (1310 nm and 1510 nm band) DWFC Series Product Description The Oplink fused dual window wideband fiber 1x2 (2x2) couplers provide accurate optical signal coupling and splitting over wide bandwidth with high performance and high reliability. These couplers have excellent uniformity, low excess loss and very low polarization sensitivity and are available with various tap ratios, fiber types, and connector options. 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. Port 2 Main (High%) L Port 1 In Ø Port 4 (terminated for 1x2 configuration) Port 3 Tap (Low%) Performance Specificationns DWFC Series Wavelength Range Fiber Type Features Specifications Unit 1310 ± 40 and 1550 ± 40 nm Corning SMF-28 Insertion Loss [1] dB Return Loss [1] (Min) 55 dB Directivity (Min) 55 dB Signal Path: < 0.10 dB, Tap Path: < 0.15 dB dB 4 W Operating Temperature Range [3] - 40 to + 75 °C Storage Temperature Range - 40 to + 85 °C TDL (Max) Maximum Power Handling Package Dimensions Qualifications [4] P1: 250 µm bare fiber P2: 900 µm loose tube P3: 3mm cable (Ø) 3.0 x (L) 47.0 (Ø) 3.0 x (L) 60.0 (L) 96.0 x (W) 12.0 x (H) 6.4 Telcordia GR-1221 Low Insertion Loss and PDL High Power Handling See Insertion Loss Table [2] Wavelength Independent mm Guranteed Reliability Applications Signal monitoring in EDFA Network Monitoring CATV Local Area Networks Testing Instruments Laboratory R&D Note: [1] Values are referenced without connector loss. [2] Temperature Sensitivity Coefficient ~0.002dB/°C at the range of –5 to 75°C. [3] Operating temperature range changes to -5 to 75°C 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. R04.20081212 Dual Window Single Mode Wideband Fiber Coupler (1310 nm and 1550 nm band) DWFC Series Insertion Loss (IL) : P Grade Coupling Ratio A Grade PDL2 (dB) Signal Uniformity IL1 (dB) PDL2 (dB) Signal Tap Tap Signal Tap 99/1 ≤0.25 18.0-22.5 ≤0.05 ≤0.20 ≤0.25 16.0-23.5 ≤0.05 ≤0.20 98/2 ≤0.30 16.0-19.0 ≤0.05 ≤0.20 ≤0.30 14.5-19.0 ≤0.05 ≤0.20 Signal 97/3 ≤0.35 13.5-17.0 ≤0.05 ≤0.20 ≤0.35 13.0-18.2 ≤0.05 ≤0.20 ≤0.45 11.8-15.0 ≤0.10 ≤0.20 ≤0.45 12.0-16.5 ≤0.10 ≤0.20 90/10 ≤0.65 9.60-11.30 ≤0.10 ≤0.15 ≤0.65 9.20-12.2 ≤0.10 ≤0.15 85/15 ≤0.98 7.80-9.40 ≤0.10 ≤0.15 ≤0.98 7.80-9.80 ≤0.10 ≤0.15 80/20 ≤1.25 6.50-7.85 ≤0.15 ≤0.15 ≤1.25 6.40-8.00 ≤0.15 ≤0.15 75/25 ≤1.60 5.50-6.80 ≤0.15 ≤0.15 ≤1.80 5.30-7.00 ≤0.15 ≤0.15 70/30 ≤2.00 4.70-6.00 ≤0.15 ≤0.15 ≤1.95 4.50-6.50 ≤0.15 ≤0.15 65/35 ≤2.10 4.30-5.20 ≤0.15 ≤0.15 ≤2.30 4.30-5.50 ≤0.15 ≤0.15 60/40 ≤2.70 3.50-4.70 ≤0.15 ≤0.15 ≤2.80 3.20-5.00 ≤0.15 ≤0.15 55/45 ≤3.00 3.00-4.20 ≤0.15 ≤0.15 ≤3.20 2.80-4.50 ≤0.15 ≤0.15 2.70-3.60 ≤0.15 ≤0.70 2.40-3.90 Uniformity Tap 95/5 50/50 46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: [email protected] • www.oplink.com IL1 (dB) ≤0.20 ≤1.2 1. Insertion loss over operating wavelength range at ~23°C (excluding PDL and TDL). 2. Insertion loss change over the all input polarization states. 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. DWFC 0 Wavelength 1310/1550 nm 0 Type Tap Ratio 1x2 = 1 2x2 = 2 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 05/95 = 05 03/97 = 03 02/98 = 02 01/99 = 01 Grade 0 Premium Grade = P A Grade = A Fiber Length* 0.5 Meter = H 1.0 Meter = 1 1.5 Meters = 5 2.0 Meters = 2 Package & Fiber Type P1 + 250 µm bare fiber = 11 P2 + 900 µm loose tube = 22 P3 + 3 mm cable = 33 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 Notes : * The tolerance of fiber length is +/-0.1m. 1 meter is standard. The lead time for special fiber length will be longer. R04.20081212 Product Lines: Mux/Demux Switching/Routing Coupling/Splitting Monitoring/Conditioning Amplification Transmission Interconnect RGB Laser Modules