980nm pump band tap coupler
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POFC's 980 nm Fused Biconic Pump Band Tap Couplers ensure consistent quality, reliability and high performance, that provide a solution to splitting or monitoring pump power in the Erbium-Doped Fiber Amplifiers (EDFAs) system.APPLICATIONS
♦ EDFA signal monitoring
♦ Network monitoring
♦ EDFA signal monitoring
♦ Network monitoring
♦ FEATURES
♦ Low Signal Insertion loss
♦ Flat wavelength dependence across the erbium gain spectrum
♦ Provide for both C band & L band
♦ Low PDL
♦ Good uniformity
♦ Environmental stable & reliable
♦ Low Signal Insertion loss
♦ Flat wavelength dependence across the erbium gain spectrum
♦ Provide for both C band & L band
♦ Low PDL
♦ Good uniformity
♦ Environmental stable & reliable
PERFORMANCE SPECIFICATIONS
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Signal Channel Range
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1525~1565nm (C band) or 1570~1610nm (L band)
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Pump Channel Range
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980 ± 10 nm
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Insertion Loss
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Coupling Ratio
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Premium
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Standard
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50/50
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3.3/3.3 dB
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3.6/3.6 dB
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5/95
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14.0/0.4 dB
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14.5/0.5 dB
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2/98
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18.2/0.25 dB
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19.0/0.35 dB
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1/99
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21.5/0.2 dB
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23.0/0.3 dB
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Directivity
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＞50 dB
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Return Loss
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＞50 dB
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Polarization Dependent Loss (PDL)
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≦0.15 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
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245μm Fiber: 3.0 (OD) × 60 (L) mm
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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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Premium or Standard
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Signal Band
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C band or L band
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Coupling Ratio
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1/99, 2/98, 5/95 or 50/50
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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 loose 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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