Standard Single Mode Fiber Coupler
Standard Single Mode Star and Tree Fiber Coupler
Single Window Single Mode Wavelength Flattened Fiber Coupler
Single Window single Mode Wavelength Flattened Star and Tree Fiber Coupler
Dual Window Single Mode Wideband Fiber Coupler
Dual Window Single Mode Wideband Star and Tree Fiber Coupler
Monolithic Standard Single Mode Fiber Coupler (1x3)
Monolithic Wavelength Flattened Single Mode Fiber Coupler (1x3)
Monolithic Dual Windows Single Mode Fiber Coupler (1x3)
Monolithic Single Mode Fiber Coupler (3x3)
1x4 Monolithic Standard Single Mode Fiber Coupler
Miniature Coupler
Multimode Fiber Coupler
Monolithic Multimode Fiber Coupler (1x3, 3x3)
|
Item
|
Unit
|
Parameter
|
|
Center Wavelength
|
nm
|
1310 or 1550
|
|
Bandwidth
|
nm
|
20
|
|
Coupling Ratio
|
%
|
10~50
|
|
Grade
|
|
p
|
a
|
b
|
|
Typical Excess Loss
|
dB
|
0.07
|
0.12
|
0.17
|
|
Max. Polarization Dependent Loss
|
dB
|
0.10
|
0.15
|
0.20
|
|
Min. Directivity
|
dB
|
55
|
50
|
40
|
|
Max. Uniformity
|
dB
|
0.7
|
0.8
|
0.9
|
|
Max. Temperature Coefficient
|
dB/℃
|
0.3
|
|
Typ. Flatness*
|
dB
|
0.4
|
|
Operating Temperature
|
℃
|
-40~+85
|
|
Storage Temperature
|
℃
|
-40~+85
|
|
Package Dimensions
|
mm
|
C: φ3.0x54(250um fiber)
F: φ3.5x72 (0.9mm loose tube)
H: φ75x10x12 (0.9mm loose tube)
M: 100x19x9
O: 100x80x9
L: 120x80x18 (Receptacle)
|
Qualification and Reliability Tests
|
Dry Heat
|
852℃ for5000 hours
|
|
Damp Heat
|
752℃/905%RH for 5000 hours
|
|
Low Temperature Storage
|
-405℃ for 5000 hours
|
|
Water Immersion
|
432℃ and PH5.50.5 for 168 hours
|
|
Temperature Cycling
|
-402℃ to 852℃ for 500 cycles
|
|
Vibration
|
10Hz to 2000Hz, 1.52mm max. amplitude, 3 axes, 2 hours per axis
|
|
Impact Test
|
1.8m, 3 axes, 8 times per axis
|
