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

#33381
FS P/N: FS-PICIR-4-SCL-X
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Fiberstore also provide multimode Optical Circulator, if you need, please email us at sales@fiberstore.com
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Cable length could be customized in any length such as 0.5m, 0.8m,1.5m,ect. Please contact us by email to sales@fiberstore.com
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Shipping Cost:
US$  21.00 to United States Via FedEx
Price:
US$  330.00
Availability: Available, Estimated on Fri. Sep. 30
There may be some difference between the estimated time and the actual time.
Quantity:

1M 4 Ports S+C+L 1460~1625nm Polarization Insensitive Optical Circulator
Fiberstore’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 GratingPolarization maintaining optical system
Application Diagram  
Below are Three Port Circulator application for your reference.
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.
 
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
Sample Picture
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
Note:
1. Wavelength: Fiberstore can customize any other wavelengths according to your requirement.
2. Length: The default length for the cable is 1M, Fiberstore could also provide 0.5M,0.8M,1.5M, 2.0M ,etc.
3. Connector: Each port of the Circulator could be with any connector such as FC/LC/SC/ST,etc. Please contact us by email to sales@fs.com or call at +1-425-226-2035 if you have any requirement for it.
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