splitter Mini Package Devices: Single Mode Wavelength Division Multiplexers WDM-980/1550,980/1590 Single Mode Polarization Independent Couplers PIC-1×2, 2×2 Single Mode Polarization and Wavelength Independent Couplers PWIC-1×2, 2×2 Single Mode Polarization Independent and Wavelength Flattened Couplers PWFC-1×2,2×2 Monolithic Couplers: Monolithic Tap Single Window Wideband 1×3 Couplers Monolithic Single Mode Single Window Wideband 1×3 Couplers SWMC-1×3 Monolithic Single Mode Dual Window Wideband 1×3 Couplers DWMC-1×3 Monolithic Single Mode Single Window Wideband 1×4 Couplers SWMC-1×4 Monolithic Single Mode Dual Windows Wideband 1×4 Couplers DWMC-1×4 Pump-WDM: Single Mode Wavelength Division Multiplexers WDM-980/1550、980/1590 Single Mode Wavelength Division Multiplexers WDM-1480/1550 Single Mode Wavelength Division Multiplexers WDM-1480/1590 Tap-Couplers: Single Mode Polarization Independent Couplers PIC-1×2, 2×2 Single Mode Polarization and Wavelength Independent Couplers PWIC-1×2, 2×2 Single Mode Polarization and Wavelength Independent Couplers PWIC-1×2, 2×2(Grade "AA") Single Mode Polarization Independent and Wavelength Flattened Couplers PWFC-1×2,2×2 Splitters and Couplers: Multi Mode Couplers Single Mode Standard Couplers SC-1×2,2×2 Single Mode Standard Tree Splitters and Star Couplers SC-1×N,N×N Single Mode Polarization Independent Couplers PIC-1×2,2×2 Single Mode Polarization Independent Tree Splitters and Star Couplers PIC-1×N,N×N Single Mode Wavelength Independent Couplers WIC-1×2,2×2 Single Mode Wavelength Independent Tree Splitters and Star Couplers WIC-1×N,N×N Single Mode Polarization and Wavelength Independent Couplers PWIC-1×2, 2×2 Single Mode Polarization and Wavelength Independent Tree Splitters and Star Couplers PWIC-1×N, N×N Single Mode Dual Window Wavelength Flattened Couplers WFC-1×2,2×2 Single Mode Wavelength Flattened Tree Splitters and Star Couplers WFC-1×N,N×N Single Mode Polarization Independent and Wavelength Flattened Couplers PWFC-1×2,2×2 Single Mode Polarization Independent and Wavelength Flattened Couplers PWFC-1×N,N×N Single Mode Wavelength Independent In-line Fixed Attenuator WIA Single Mode Dual Windows Wavelength Flattened In-line Fixed Attenuators WFA 1310/1550WDM: Single Mode Wavelength Division Multiplexers WDM-1310/1550 (Iso.≥20dB) Single Mode Wavelength Division Multiplexers HWDM,SWDM-1310/1550 (Iso.≥45dB)