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Polarization Maintaining Fiber Optic PM Filter Coupler for ICT AI Computing

Categories PM and High Power Components
MOQ: 1
Delivery Time: 5-8 working days
Model Number: DF-PM-Coupler
Supply Ability: 1000pcs per month
Customization: Yes
Brand Name: OEM
Payment Terms: T/T, Paypal
Price: USD15-150/pc
Certification: ISO, CE RoHS
Place of Origin: China
Packaging Details: Blister Box
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Polarization Maintaining Fiber Optic PM Filter Coupler for ICT AI Computing

Polarization Maintaining Fiber Optic PM Filter Coupler for ICT AI Computing
Product Overview

The Polarization Maintaining Coupler is a micro optic filter type device that provides optical signal splitting while preserving polarization with high extinction ratio. Available in a wide range of coupling ratios from 1% to 50%, and in both 1×2 and 2×2 configurations, PM couplers are widely used in fiber optic communication systems, Raman amplifiers, and other fiber instrument applications.

Key Features
  • Low Insertion Loss
  • High Return Loss
  • High Extinction Ratio
Structure Diagram
Polarization Maintaining Fiber Optic Coupler structure diagram
Technical Specifications
ParameterUnitValue
Type-1x2 | 2x2
Center Wavelengthnm2000 | 1550,1310 | 1064 | 2000 | 1550,1310 | 1064
Operating Wavelength Rangenm±40 | ±40 | ±20 | ±40 | ±40 | ±20
Max. Excess LossdB1.2 | 0.7 | 0.8 | 1.5 | 1.0 | 1.2
Uniformity (only for 50/50)dB0.6 | 0.4 | 0.5 | 0.8 | 0.6 | 0.8
Coupling RatiodB01/99~50/50
Min. Extinction Ratio at 23℃dB18 (Both axis working) | 22 (Fast axis blocked)
Min. Return LossdB50
Max. Optical Power (CW)mW300
Max. Tensile LoadN5
Fiber Type-Tap Port: SMF-28E, Hi1060 or PM Panda fiber
Input & Output Port: PM Panda fiber
Operating Temperature-5~+70
Storage Temperature-40~+85

* For device with connector, IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB lower.
* The default connector key is aligned to slow axis.

Applications
  • EDFA (Erbium-Doped Fiber Amplifier)
  • Fibre Sensor Systems
  • Fiber Instrumentation
Polarization Maintaining Coupler application example Polarization Maintaining Coupler installation diagram
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