1064nm 1310nm 1550nm PM Fiber Beam Splitter High Extinction Ratio Fiber Coupler

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1064nm 1310nm 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.
 

PM fiber coupler

PM fiber coupler

PM fiber coupler
 

 

 







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