Inventory Levels Email Loading... Wavelength range (nm)Free Spectral Range - FSR (THz)FSR (nm)FinesseFilter bandwidth (MHz)Insertion loss (dB)Secondary peak(dB)Test report 1560+-1009.95176.3354002817.7 dB22.5 1560+-1009.6374.28380002539.46 1560+-10010.92589.0220800 52610.516.58 1560+-1008.806 67.52331002663.623.19 1560+-1009.96677.37323003087.2 9.4 1560+-1009.398 75.4439 2002409.716.48 1560+-1007.51561.9138 8001943.228.52