哈尔滨供应2um光纤耦合器（1×2,2×2）
2μm Single-Mode Fused Coupler
Features
Applications
Low Insertion Loss
EDFA
Low Polarization Dependent Loss
Testing Instrumentations
High Isolation
Fiber Laser
High stability & Reliability
WDM System
Specifications
Parameter
Unit
Value
Operating Wavelength
nm
1900,1950,2000
Operating Bandwidth
nm
±15
Max. Insertion Loss
50/50
dB
3.6/3.6
40/60
dB
4.8/2.8
30/70
dB
6.0/2.0
20/80
dB
8.0/1.5
10/90
dB
11.5/0.75
5/95
dB
14.5/0.5
2/98
dB
18.5/0.35
1/99
dB
22/0.3
Max. Polarization Dependent Loss
dB
0.15
Min. Directivity
dB
50
Max. Optical Power(CW)
mW
500
Fiber Type
-
SMF-28e or Nufern SM 1950
Package Dimension
mm
3*45(bare fiber),3*60(0.9mm loose tube),
90*16*9(0.9mm/2mm/3mm loose tube
Operating Temperature
℃
0~+65
Storage Temperature
℃
-40~+85
