High Performance PM Fiber Patch Cord (Precision Keyway)
Ultra-high extinction ratio Polarization-Maintaining Fiber Patch Cord manufactured with active polarization axis alignment. Delivers extinction ratios exceeding 25 dB with <=0.25 dB insertion loss across 780nm to 1550nm for sensitive interferometers and laser seed links.
Technical Specifications
Parameter
Specification
Unit
Connector Types
FC/APC, FC/UPC, SC/APC, LC/UPC
-
Center Wavelength
1550, 1310, 1064, 980, 850, 780
nm
Max. Insertion Loss
0.25 (1550/1310), 0.35 (1064/980), 0.50 (780/850)
dB
Min. Extinction Ratio @ 23°C
25 (1550/1310), 23 (1064/980), 20 (780/850)
dB
Min. Return Loss
55 (APC), 50 (UPC)
dB
Key Direction & Tolerance
Slow Axis Aligned, Keyway Tolerance ±2°
deg
Fiber Type
PM Panda Fiber
-
Cable Diameter
900um loose tube / 2.0mm / 3.0mm armored jacket
-
Repeatability
<= 0.1 dB IL, <= 1 dB ER after 500 matings
-
Package Dimensions
Standard PM Patchcord (dia. 3.0 mm loose tube / FC/SC/LC)
-
Operating Temperature
-20 to +70
°C
Technical Datasheet Note
100% inspected with interferometer ferrule geometric inspection and polarimeter extinction ratio measurement report.
100% inspected with interferometer ferrule geometric inspection and polarimeter extinction ratio measurement report.
Configuration and ordering notes
Configuration parameters include wavelength, connectors, cable length, and whether armored jacket is required for harsh environments.
Selection Guidance: Review extinction ratio formulas, axis alignment, and splicing tolerances in our PM Fiber Components & Extinction Ratio Guide ↗ or Fiber Polarizer Selection Guide ↗.
Key Applications
Fiber optic gyroscopes (FOG); Coherent optical telecommunication; Laser diode pigtailed seed interconnects; Lab test equipment.
Package Drawing
Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.