980nm/1550nm pump/signal WDM coupler
in
POFC provides low insertion loss < 0.1dB and high isolation for combining 980nm pump and signal light in the C band or L band EDFA Systems.APPLICATIONS
♦ DFA pump/signal multiplexing
♦ 980 nm pump rejection
♦ DFA pump/signal multiplexing
♦ 980 nm pump rejection
FEATURES
♦ Low Signal Insertion loss
♦ Low Pump Insertion loss High Isolation
♦ Provide for both C band & L band
♦ Low wavelength dependence
♦ Good uniformity
♦ Low PDL
♦ Environmental stable & reliable
♦ Low Signal Insertion loss
♦ Low Pump Insertion loss High Isolation
♦ Provide for both C band & L band
♦ Low wavelength dependence
♦ Good uniformity
♦ Low PDL
♦ Environmental stable & reliable
PERFORMANCE SPECIFICATIONS
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Grade Code
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Ultra
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Premium
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Standard
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Pump
Path
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Bandwidth
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980 ±10 nm
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Return Loss
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≧50 dB
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Insertion Loss
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≦0.1 dB
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≦0.3 dB
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≦0.4 dB
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Signal
Path
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Bandwidth
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1525~1565nm (C band) or 1570~1610nm (L band)
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Return Loss
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≧55 dB
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Insertion Loss
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≦0.2 dB
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≦0.3 dB
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≦0.4 dB
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Isolation
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≧20 dB
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≧19 dB
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≧18 dB
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PDL
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≦0.10 dB
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≦0.10 dB
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≦0.15 dB
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Directivity
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≧55 dB
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Operating Temperature
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-40℃ to +85℃
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Storage Temperature
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-40℃ to +85℃
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Thermal Stability
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≦0.25 dB
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Fiber Type
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245μm ± 10 m POFC SMF 980 A
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Package Dimension (mm)
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250μm Fiber: 3.0(OD) × 60 (L)
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Pigtail Length
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≧1 m
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Qualification and Reliability Test
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Type of Test
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Conditions
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Duration
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Damp Heat
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75℃ and 90 % RH
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2000 hours
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High Temperature Storage (Dry Heat)
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85℃ and 30 % RH
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2000 hours
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Low Temperature Storage
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-40℃
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2000 hours
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Water Immersion
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43±2℃, PH 5.5±0.5
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168 hours
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Impact
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1.8 meter high
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8 drops
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Ordering Information
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Grade Code
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Ultra, Premium or Standard
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Signal Band
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C band or L band
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Port Configuration
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1×2 or 2×2
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Pigtail Length
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1m, 2m, 3m, 1.5m, 2.5m
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Connector Type
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None, SC, FC, ST
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Pigtail Style
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250μm fiber, 900μm lose tube or 3.0mm cabled fiber
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Package
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3.0mm (OD)× 60mm (L) or 3.0mm (OD)× 54mm
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