The High Power Fiber Optic Circulator is a 3-port polarization-independent optical component. It transmits light signals from one port to the next sequential port with maximum intensity and blocks light transmission from one port to the previous port. A light signal launched into port 1 appears as an output at port 2, a signal launched into port 2 appears as an output at port 3. The routing characteristics can be represented by 1 → 2, 2 → 3, i.e. port 1 is an input port only, ports 2 serve as input and output ports while port 3 is an output-only port. Lfiber’s high power optical circulator can handle up to 20W power, it features good optical performance and excellent reliability. Related Products ↓

Basics of High Power Fiber Optic Circulator

The high-power optical circulator is based on the use, precise positioning and alignment of miniaturized traditional optical components such as polarizing beam splitter, reflector prism, Faraday rotator, bi-refringent blocks, and retardation plate, etc.
 
The operation of high power optical circulator is based on two main principles: polarization splitting and recombining together with nonreciprocal polarization rotation, and asymmetric field conversion with nonreciprocal phase shift.
 
There are different designs for high power fiber optic circulator, and all of them involve the non-reciprocal property of Faraday effect. The Faraday effect is a magneto-optic effect, in which the polarization of light is rotated in an optical medium with a magnetic field applied along the light propagation direction. 
 

High Power Fiber Optic Circulator (Polarization-Independent Optical Circulator)

To meet the demand for fiber optic circulator used in high-power fiber laser technology and advanced optical communication systems, Lfiber has increased the power tolerance of the high power fiber optic circulator. Up to 20W power handling is available. 

 

High Power Fiber Optic Circulator (Polarization-Independent)

 

High Power Fiber Optic Circulator
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FEATURES OF HIGH POWER FIBER OPTIC CIRCULATOR

  • Polarization Independent
  • Low Insertion Loss
  • High Isolation and Return Loss
  • High Reliability and Stability

APPLICATIONS OF HIGH POWER FIBER OPTIC CIRCULATOR

  • Fiber Amplifier
  • Testing Instruments
  • Fiber Sensor
  • Medical Equipment

 

Specifications of High Power Fiber Optic Circulator
Center Wavelength (nm)1064, 1030, or 980
Operating Wavelength Range (nm)±5
Typ. Peak Isolation (dB)25
Min. Isolation at 23 ℃ (dB)22
Typ. Insertion Loss at 23 ℃ (dB)1.3
Max. Insertion Loss at 23 ℃ (dB)1.5
Max. Polarization Dependent Loss at 23 ℃0.15
Min. Cross Talk (dB)45
Min. Return Loss (Input/ Output) (dB)45
Max. Average Optical Power (W)20
Max. Peak Power for ns Pulse (kW)20
Max. Tensile Load (N)5
Package Dimension (mm)64x28x26
Operating Temperature ( ℃ )+10 ~ +50
Storage Temperature ( ℃ )0 ~ +60

Notes:

  • The high power fiber optic circulator is customizable and the above specifications are subject to change without notice.
  • For CW high-power optical interconnection, we recommend fusion splice without connectors.
  • For device with connectors, IL is 0.3dB higher, RL is 5.0dB lower.
  • Bare fiber should not support the weight of the connector. So that if any connectors needed, for the pigtail type it’s better to choose the 900μm loose tube jacket instead of the 250μm bare fiber.
  • For product customization or special requirements, please contact Lfiber’s sales department for availability.

 

Dimensions of High Power Fiber Optic Circulator

 

Fiber Optic Circulator High Power Optical Circulator

 

Ordering Information of High Power Fiber Optic Circulator
Center WavelengthPort TypePackage DimensionFiber TypePigtail TypeFiber LengthConnector TypeAverage PowerPeak Power
980nm3-Port64x28x26 mmHi1060250μm bare fiber0.8 MeterNone500mW10kW
1030nmSMF-28e900μm loose tube1.0 MeterFC/UPC1W20kW
1064nmCustom…Custom…FC/APC2W
SC/UPC5W
SC/APC10W
LC/UPC20W
LC/APC
Custom…