1064nm 1310nm 1490nm 1550nm PM Fiber Beam Splitter High Extinction Ratio Fiber Coupler
[Features]
Low insertion loss
High extinction ratio
High isolation
[Applications]
optical fiber amplifier
Fiber sensing
Fiber laser
[Specification]
|
Parameters
|
Unit
|
Typical Value
|
|
Port Type
|
--
|
1x2
|
2x2
|
|
Working Wavelength
|
nm
|
1310, 1550
|
1064
|
1310, 1550
|
1064
|
|
Spectral Bandwidth
|
nm
|
±40
|
±20
|
±40
|
±20
|
|
Insertion Loss
|
dB
|
0.7
|
0.8
|
1.0
|
1.2
|
|
Spectral Unevenness (50/50 only)
|
dB
|
0.4
|
0.5
|
0.6
|
0.8
|
|
Split Ratio
|
%
|
01/99~50/50
|
|
Polarization Extinction Ratio (single axis)
|
dB
|
>20
|
>18
|
|
Polarization Extinction Ratio (Biaxial)
|
dB
|
>22
|
>22
|
|
Beam Path (single axis)
|
--
|
Port1→Port2、3(tap)
|
Port1→Port4(tap)、3
Port3→Port2(tap)、1
|
|
Beam Path (Biaxial)
|
--
|
Port3→Port1、2(tap)
|
Port1→Port2(tap)、3
Port4→Port3(tap)、2
|
|
Return Loss
|
dB
|
>50
|
|
Withstand Power (continuous light)
|
mW
|
500
|
|
Pull Test
|
N
|
5
|
|
Fiber Type
|
--
|
PM Panda fiber
|
|
Fiber Interface Type
|
--
|
FC/APC
|
|
Operating Temperature
|
°C
|
-5~+65
|
|
Storage Temperature
|
°C
|
-40~+85
|
Note:
1. With a fiber connector, the insertion loss increases by 0.3dB, the return loss decreases by 5dB, and the polarization extinction ratio decreases by 2dB.
2. Fiber connector slot type default is slow axis alignment.
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