Fused tapered three-window optical splitter (FBT)_Shanghai BAOSH Communications Equipment Co., Ltd

Fused tapered three-window optical splitter (FBT)

Item	Unit	Target
Central wavelength	nm	1310 &1490& 1550
Bandwidth	nm	±40
Coupling ratio	%	1 ~ 50
Typical additional loss	dB	0.20
Maximum polarization sensitivity	dB	0.20
Minimum directivity	dB	50
Maximum uniformity	dB	0.7
Typical flatness^*	dB	0.35
Maximum temperature coefficient	dB/℃	0.002
Working temperature	ºC	-40 ~ +85
Storage temperature	ºC	-40 ~ +85
Shape size	mm	C: 3.0×54 (250mm bare fiber) F: 3.5×72 (0.9mm loose sleeve)M: 100×19×9 O: 100×80×9 L: 140×120×18

High temperature test	85±2ºC，5000 hours
Hygrothermal test	75±2ºC/90±5%RH，5000 hours
Cryogenic test	-40±5ºC，5000 hours
Immersion test	43±2ºC/PH5.5±0.5，168 hours
Temperature Cycle Test	-40±2ºC to 85±2ºC，500 cycles
Vibration test	10Hz to 2000Hz,vibration range,1.52mm3directions，4hours/direction
Impact test	1.8m high，3 directions，8times/direction