features low insertion loss high return loss high isolation high extinction ratio high reliability& stability applications edfa & raman amplifier fiber sensor fiber instrument specifications parameter unit value type - type a type b center wavelength nm 1310& 1550 1310 &1550 1064 operating wavelength range nm ±30 ±20 ±5 typ.peak isolation 23℃ db 46 30 30 min.isolation at 23℃ db 40 20 25 typ.insertion loss at 23℃ db 0.7 0.6 1.8 max.insertion loss at 23℃ db 0.9 0.8 2.1 min.extinction ratio db 22 20 20 min.cross talk db 50 min.return loss db 50 max.optical power(cw) mw 300 max.tensile load n 5 fiber type - pm panda fiber operating temperature ℃ -5~+70 storage temperature ℃ -40~+85 1.for device with connector, il is 0.3db higher, rl is 5db lower, er is 2db lower; 2.the default connector key is aligned to slow axis;