532-2050nm 1x2 / 2x2 PM Fused Coupler
Polarization-maintaining fused fiber coupler covering visible through 2 µm wavelength ranges for coherent communication, power monitoring and optical sensing.
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
532, 633, 780, 808, 850, 980, 1030, 1064, 1310, 1550, 1950-2050
nm
Operating Bandwidth
±5 (532/633), ±10 (780-1064), ±15 (1310-2050)
nm
Configuration
1x2 or 2x2
-
Max. Excess Loss
0.5 (1310/1550), 0.6 (980-1064), 0.8 (780-850/2000), 1.4 (532/633)
dB
Min. Extinction Ratio
20 (780-1550nm), 18 (532/633nm), 16 (1950-2050nm)
dB
Min. Directivity
≥ 50 (≥ 45 for visible)
dB
Min. Return Loss
≥ 50
dB
Max. Optical Power (CW)
500
mW
Fiber Type
PM Panda Fiber
-
Package Dimensions
dia. 3.0 x 54 mm
-
Operating Temperature
-5 to +70
°C
Storage Temperature
-40 to +85
°C
Technical Datasheet Note
Specifications tested at 23°C without connectors. Connector adds 0.2 dB loss and reduces PER by ~2 dB. Custom split ratios from 1/99 to 50/50 available.
Specifications tested at 23°C without connectors. Connector adds 0.2 dB loss and reduces PER by ~2 dB. Custom split ratios from 1/99 to 50/50 available.
Configuration and ordering notes
Configuration parameters include the target operating band (visible 532/633nm vs NIR vs 2µm), port count (1x2 or 2x2), coupling ratio, and fiber lead length.
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
Coherent optical communication, interferometric fiber sensing, laser power monitoring, polarization division multiplexing, and photonic integrated circuit coupling.
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.