Utilities Optical Fiber Link Loss Calculator Optical Fiber Link Loss Calculator Fiber Distance Feet Miles Meters Kilometers Loss per Km Select Loss Value… Other (My Value) 0850nm = 3.50 0850nm = 3.75 1300nm = 1.00 1300nm = 1.50 1310nm = 0.35 1310nm = 0.40 1310nm = 0.50 1550nm = 0.25 1550nm = 0.40 1550nm = 0.50 dB/Km Total Fiber Loss dB Connector Pair Loss dB Number of Connector Pairs Total Connector Loss dB Individual Splice Loss dB Number of Splices Total Splice Loss dB Optical Express Switch Loss dB Optical Splitter Loss dB Other Optical Components Loss dB Total Other Components Loss dB Total Fiber System Attenuation dB Optical Tools Composite Power Calculation Total number of Channels: Per Channel Power (dBm): Insertion Loss of Filter (dB): Composite Power (dBm) Net Composite Power Change No. of Channels added/removed: No. of Channels undisturbed: Net Power Change (dBm) Optical Utility Power (mW) Power (dBm) Coupling ratio (%) Insertion Loss (dB) Frequency (THz) Wavelength (nm) Δf (GHz) Δλ (nm) OSNR Calculator OSNR Calculator Number of Spans: Same Noise Figure for All Spans Same Span Loss for All Spans Same Power for All Spans Calculate OSNR Reset Result Final OSNR (in dB):