TECHNICAL DATASHEET

Special Fiber TGG Free Space Optical Isolator (1064nm, 50W to 100W)

High-power Free Space Optical Isolator designed for direct collimated beam isolation and special fiber coupling (LMA fibers, photonic crystal fibers) handling 50W to 100W optical power. Provides clear optical aperture (dia. 3.0mm to 5.0mm) with >33 dB isolation and >95% transmission.

Technical Specifications

Parameter
Specification
Unit
Center Wavelength
1064, 1030
nm
Operating Bandwidth
±10
nm
Clear Aperture Diameter
3.0 / 4.0 / 5.0
mm
Peak Isolation
38
dB
Min. Isolation @ 23°C
33
dB
Min. Transmission
95 (Typ. 97%)
%
Max. Polarization Dependent Loss (PDL)
0.15
dB
Extinction Ratio (Forward)
> 25
dB
Max. Optical Power (CW)
50 / 100
W
Max. Peak Power for ns Pulse
50
kW
Cooling Method
Conduction / Water-cooled jacket
-
Operating Temperature
+10 to +40
°C
Package Dimensions
82 x 45 x 44 mm
mm
Technical Datasheet Note
Free space beam input/output eliminates fiber end-face thermal damage. Water cooling recommended for power >50W.
Configuration and ordering notes

Configuration parameters include beam diameter, laser CW power, pulse peak power, and whether input is linearly polarized or unpolarized.

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

High-power fiber laser output isolation; Direct-diode laser processing heads; Ultrafast laser CPA stages; Nonlinear optics.

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.