2X2 PM Fiber Coupler 1064nm 1490nm 1310nm 1550nm Polarization Maintaining Coupler

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2X2 PM Fiber Coupler 1064nm 1490nm 1310nm 1550nm Polarization Maintaining Coupler  

The filter-type polarization-maintaining coupler uses interference-type filters to not only split the light beam from the input PM fiber into two output PM fibers, but also combine the light of two PM fibers into one PM fiber. This device can be used to separate high-power linearly polarized light into multiple channels without changing the linear polarization. It can also be used as a power splitter to monitor the signal of the PM fiber system without changing the polarization state of the optical signal. power.

[Features]
Low Insertion Loss
High Extinction Ratio
High Isolation
High Stability and Reliability

[Applications]
Fiber amplifier
Fiber laser
Fiber Sensor

[Specification]

Parameter Unit Typical value
Fiber Ports   2x2
Center Wavelength nm 1310nm / 1490nm / 1550nm  1064nm
Operating Bandwidth nm ±40 ±20
Excess Loss dB ≤1.0 ≤1.2
Max. Uniformity (only for 50/50) dB 0.6 0.8
Tap Ratio % 1±0.2%,2±0.4%,5±1%,10%,20%,30%,50%
Min. Return Loss dB 50
Min. Extinction Ratio (Type F) dB 22 20
Min. Extinction Ratio (Type B) dB 18 18
Max. Loadable Optical Power mW 300
Tensile Strength N 5
Fiber Type   Polarization maintaining fiber for input and output ports
Operating Temperature °C -5~+70
Storage Temperature °C -40 ~ +85
Dimensions mm φ5.5 × L35
 
 
PM fiber coupler

PM fiber coupler

PM fiber coupler

PM fiber coupler

PM fiber coupler

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PM fiber coupler
 






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