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TECHNICAL DATASHEET

TGG In-Line Optical Isolator (850nm, 980nm, 1030nm, 1064nm, 1080nm)

Standard In-Line Optical Isolator based on Terbium Gallium Garnet (TGG) crystal technology providing polarization-insensitive or polarization-maintaining isolation across 850nm, 980nm, 1030nm, 1064nm, and 1080nm with high isolation (up to 45 dB) and low insertion loss (<=1.0 dB).

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Technical Specifications

Parameter
Specification
Unit
Center Wavelength
850, 980, 1030, 1064, 1080
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
1.0 (Single Stage) / 1.6 (Dual Stage)
dB
Min. Extinction Ratio (PM Type)
20 (Both axes) / 22 (Fast axis blocked)
dB
Min. Return Loss
50
dB
Max. Optical Power (CW)
300 / 500
mW
Fiber Type
HI1060 (SM) or PM Panda Fiber (PM)
-
Operating Temperature
+10 to +50
°C
Package Dimensions
68 x 32 x 28 mm
mm
Technical Datasheet Note
Available in both Polarization-Insensitive (PI) and Polarization-Maintaining (PM) configurations. Connectors add 0.3 dB insertion loss.
Configuration and ordering notes

Configuration parameters include single-mode or PM fiber, operating wavelength, and whether Single Stage (30 dB isolation) or Dual Stage (45 dB isolation) is required.

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

Laser diode seed source protection; Fiber laser oscillator isolation; Optical sensor transmitters; Laboratory test benches.

Related products

1064nm 10W TGG High Power In-Line Optical Isolator
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Compare the listed center wavelength and operating wavelength range for this related configuration. 532nm/633nm In-Line Optical Isolator
Compare the listed center wavelength and operating wavelength range for this related configuration.

Selection guides

How to Select an Optical Isolator How to Select High Power Optical Isolators: Thermal Dissipation & Fiber Matching

Package Drawing

114 TGG In-Line Optical Isolator (850nm, 980nm, 1030nm, 1064nm, 1080nm), Center Wavelength: 850, 980, 1030, 1064, 1080 – KernsOptic
Package reference for TGG In-Line Optical Isolator (850nm, 980nm, 1030nm, 1064nm, 1080nm). Confirm the final configuration during engineering review.

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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