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TECHNICAL DATASHEET

980-1080nm 20W TGG Multimode Optical Circulator

High-power 3-port multimode optical circulator based on TGG crystals, operating in the 980-1080 nm band with optical power handling up to 20W average power for fiber lasers, sensing, and medical instruments.

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Technical Specifications

Parameter
Specification
Unit
Center Wavelength
1064, 1030, 980 or specified
nm
Operating Wavelength Range
±10
nm
Typical Peak Isolation
23
dB
Minimum Isolation @ 23°C
20
dB
Typical Insertion Loss @ 23°C
1.3
dB
Maximum Insertion Loss @ 23°C
1.5
dB
Max. Polarization Dependent Loss
0.15
dB
Minimum Return Loss (Input/Output)
30
dB
Minimum Crosstalk
35
dB
Maximum Average Power (Ports 1+2)
1, 2, 5, 10, 20 or Specified
W
Maximum ns Pulse Peak Power
10
kW
Maximum Tensile Load
5
N
Package Dimensions (MM50/125, MM62.5)
64 x 28 x 26
mm
Package Dimensions (MM-S105/125-22A)
76 x 38 x 35
mm
Package Dimensions
64 x 28 x 26 mm (50/125, 62.5/125) / 76 x 38 x 35 mm (105/125)
-
Operating Temperature
+10 to +50
°C
Storage Temperature
0 to +60
°C
Technical Datasheet Note
Package envelope depends on multimode fiber core size (MM50/125, MM62.5/125 vs MM105/125). Confirm fiber core/clad dimensions, NA, and connector options with quotation.
Configuration and ordering notes

Multimode fiber core/cladding dimensions, numerical aperture and connector configuration are reviewed against the listed routing configuration.

Selection Guidance: Compare non-reciprocal routing and optical sensing isolation in our 3-Port Optical Circulator for Fiber Sensing Guide ↗ or 1064nm and 1550nm Optical Circulator Selection.

Key Applications

Multimode fiber lasers; Optical test instrumentation; Fiber optic sensing; Biomedical optics.

Related products

780-1080nm 20W TGG High Power Optical Circulator
Compare the listed center wavelength and operating wavelength range for this related configuration. 980-1080nm 100W TGG High Power Optical Circulator
Compare the listed center wavelength and operating wavelength range for this related configuration. 1310-1550nm 20W High Power Optical Circulator
Compare the listed center wavelength and operating wavelength range for this related configuration.

Selection guides

1064nm and 1550nm Optical Circulator Selection How to Select a 3-Port Optical Circulator for Fiber Sensing

Package Drawing

018 980-1080nm 20W TGG Multimode Optical Circulator, Center Wavelength: 1064, 1030, 980 or specified – KernsOptic
Package reference for 980-1080nm 20W TGG Multimode Optical Circulator. Confirm the final configuration during engineering review.

Package dimensions depend on the configuration. The catalog, ordering information or drawing show different package references; engineering must confirm the final mechanical outline before ordering.

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.

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