Polarization Maintaining Fiber 1X4 1x8 Optical Switch Applications: Instrumentation Optical Signal Routing Network Test Systems Features: Epoxy-Free Optical Path High Extinction Ratio Low Insertion Loss High Channel Isolation Highly Stability and Reliability Specifications: Parameter 1x4 1X8 PM Optical Switch Operating Wavelength (nm) 1310±30, 1550±30 Insertion Loss (dB) Typ:0.6 Max:1.0 Wavelength Dependent Loss (dB) � 0.25 Polarization Dep endant Loss (dB) � 0.05 Temperature Dependant Loss (dB) � 0.25 Extinction Ratio (dB) >18 (typ.20) Channel Cross Talk (dB) >70 Repeatability (dB) �±0.02 Return Loss (dB) > 55 Switching Speed (ms)