High Power Polarization-Insensitive Optical Isolator (1064nm, 10W to 50W)
High-Power Polarization-Insensitive (PI) In-Line Optical Isolator handling 10W, 20W, 30W, and 50W continuous laser power at 1064nm and 1030nm. Designed for non-PM fiber lasers and high-power delivery fibers with ultra-low polarization-dependent loss (PDL <=0.15 dB) and high backward isolation (>30 dB).
Technical Specifications
Parameter
Specification
Unit
Center Wavelength
1064, 1030, 980
nm
Operating Bandwidth
±5
nm
Peak Isolation
38 (Single Stage) / 52 (Dual Stage)
dB
Min. Isolation @ 23°C
30 (Single Stage) / 45 (Dual Stage)
dB
Max. Insertion Loss @ 23°C
0.8 (Single Stage) / 1.4 (Dual Stage)
dB
Max. Polarization Dependent Loss (PDL)
0.15
dB
Min. Return Loss
50
dB
Max. Optical Power (CW)
10 / 20 / 30 / 50
W
Max. Peak Power for ns Pulse
20
kW
Fiber Type
HI1060, LMA-GDF-10/125, LMA-GDF-20/130
-
Operating Temperature
+10 to +50
°C
Package Dimensions
Type C40 (91.5 x 27 x 28 mm)
mm
Technical Datasheet Note
Operates independently of input polarization state. Models >=30W strictly require cooling base plate or water jacket.
Operates independently of input polarization state. Models >=30W strictly require cooling base plate or water jacket.
Configuration and ordering notes
Configuration parameters include average CW power (10W, 20W, or 50W) and fiber core/clad diameter matching the delivery fiber.
Selection Guidance: Review thermal dissipation, damage thresholds and cooling options in our High Power Optical Isolator Guide ↗ or compare operating bands in the 1064nm and 1550nm Optical Isolator Selection.
Key Applications
Industrial fiber laser cutting & welding engines; Medical surgical lasers; Raman fiber lasers; Non-PM laser amplifiers.
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.