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4 Ports S+C+L 1460~1625nm Polarization Insensitive Fiber  Optical Circulator
  • 4 Ports S+C+L 1460~1625nm Polarization Insensitive Fiber  Optical Circulator
4 Ports S+C+L 1460~1625nm Polarization Insensitive Fiber Optical Circulator
‐Brief /
‐Series/Fiber optical circulator
Description

4 Ports S+C+L 1460~1625nm Polarization Insensitive Fiber  Optical Circulator

Powerlink¨s Four-port Optical Circulator is a special type of circulator that has one input (port 1), one output (port 4) and two common ports (port 2&3). The light goes through port 1 to port 2. At port 2, any incoming light is guided to port 3 as output, while all input from port 3 is guided to port 4 as output.
Compared to three-port circulator, four-port device has one additional bi-directional port. Hence, it can be used to construct more flexible or more complex optical fiber sub-systems, such as add/drop module, mux/demux module, multi-port bi-directional splitters, WDM optical router, etc.
Characteristics
Low Back Reflection
High Extinction Ratio
Low Insertion Loss
High Return Loss
Applications
DWDM system
Add-Drop Multiplexing
Fiber Amplifier
Fiber Sensor
Chromatic Dispersion Compensation Devices
Fiber Bragg Grating
Polarization maintaining optical system

Application Diagram
Below are Three Port Circulator application for your reference.
Fs 3_1.jpg As the picture shows: The input DWDM channels are coupled into Port 1 of the device with a FBG device connected to Port 2. The single wavelength reflected from the FBG then reenters the Circulator in Port 2 and is routed accordingly to Port 3. The remaining signals pass through the FBG and exit on the top fiber.
Circulator used to drop an optical channel from a DWDM system using a Fiber Bragg Grating.
Fs Polarization Maintaining Optical Circulator Application-2.jpg As the picture shows: A Circulator is located at both ends of the fiber. Each Circulator functions to add a signal in one direction while removing the signal in the other. See the example to the left.
Circulator can be used to send optical signals through a single fiber in two directions.
Dimension
Fs 4 Ports Polarization Insensitive.jpg
Sample Picture
Fs Polarization Insensitive Optical Circulator.jpg
Order Information
wavelength Type Grade Pigtail Type Length Connector
1310nm
1480nm
1550nm
1585nm
1520~1620nm
3 Ports
4 Ports
P Grade 250um bare fiber
900um loose tube
3mm loose tube
2mm loose tube
0.5m
0.8m
1.0m
1.5m
2.0m
Custom
None
FC UPC/APC
SC UPC/APC
LC UPC/APC
ST UPC/APC
E2000 UPC/APC
MU
1. Wavelength: Powerlink can customize any other wavelengths according to your requirement.
2. Length: The default length for the cable is 1M, Powerlink could also provide 0.5M,0.8M,1.5M, 2.0M ,etc.

Pre3 Ports S+C+L1460-1625)nm Polarization Insensitive fiber Optical Circulator
Next3 Ports 1310/1550nm Polarization Insensitive Fiber Optical Circulator
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Address3nd Floor, 1st building, E block, MinZhu Western Industry Park, Shajing, Baoan Dist., Shenzhen, Guangdong, China