DK Photonics' 2050/1570nm WDM/Tap Coupler/Isolator Hybrid Combination is a combination of a wavelength division multiplexer, tap coupler and an isolator in a compact package. All input and output fibers are polarization independent. This product has an extremely low insertion loss, a very stable tap-coupling ratio, high isolation, and hight return loss. This product offers integrated solution to fiber laser application by combining more functions into a very compact package.
Parameter
|
Unit
|
Values
|
||
Stage of Isolator
|
-
|
Single Stage
|
Dual Stage
|
|
Signal Central Wavelength (λ c)
|
nm
|
1940, 2000,205
|
||
Max. Signal Excess Loss, λc ± 20 nm, @ 23℃
|
nm
|
2.0
|
2.3
|
|
Min. Signal Isolation, λ c± 50 nm, @ 23℃(Isolator)
|
nm
|
16
|
35
|
|
Tap Ratio
|
%
|
1~50
|
||
Tap Channel Typ. Loss
|
dB
|
1%(20~22.5), 5%(14 ~ 16.5)
|
||
Min. Isolation (WDM)
|
Signal Channel
|
dB
|
25
|
|
Pump Channel
|
dB
|
12
|
||
Pump Wavelength Range
|
nm
|
1520~1590
|
||
Max. Insertion Loss (Pump to Common)
|
dB
|
1.0
|
||
Max. PDL
|
dB
|
0.2
|
||
Min. Return Loss
|
dB
|
50
|
||
Max. Power Handling (CW)
|
W
|
0.5, 2, 3, 10
|
||
Max. Peak Power for ns Pulse if any
|
kW
|
1, 5,10
|
||
Max. Tensile Load
|
N
|
≤5
|
||
Fiber Type
|
Pump port
|
-
|
SMF-28e fiber or specified
|
|
Common Signal and tap port
|
-
|
SM1950 fiber or specified
|
||
Operating Temperature
|
℃
|
-5 to +70
|
||
Storage Temperature
|
℃
|
-40 to +85
|
||
Package Dimensions
|
mm
|
Ø5.5 x L38(<5W), 60x12x8(>5W)
|
PS: For forward pump, signal wavelength is polarization independent. For backward pump, signal wavelength is Polarization dependent.
① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
Wavelength | Stage of Isolator | Optical Power | Tap Ratio | Pump Configuration | Pigtail Diameter | Fiber Length | Connector |
5057:2050 signal/1570 pump
XX: other
|
S: Single Stage
U: Dual Stage
|
L:<0.5W
1:1W
3:3W
5:5W
10:10W
|
01:1% Tap
02:2% Tap
05:5% Tap
|
F: Forward Pump
B: Backward Pump
|
25:250μm bare fiber
90:900μm Loose Fiber
XX: Others
|
05:0.5m
10:1.0m
15:1.5m
XX: Others
|
00: None
FP: FC/PC
FA: FC/APC
SA: SC/APC
LA: LC/APC
XX: Others
|
Description: SM WDM/Tap Coupler/Isolator Hybrid Combination, 2050nm signal/1570nm pump, single stage isolator, 1% tap, forward pump, SMF-28e fiber at 1570nm port, other with SM1950 fiber, with 0.9mm OD loose tube, 1.0m fiber length, and FC/APC connectors at all ports.
If you need to customize other specifications, please provide detailed description for your requirement.
DK