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Help Center4 Ports C+L 1520~1620nm Polarization Insensitive Optical Circulator Fiber Optical Circulator OEM Factory
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4 Ports C+L 1520~1620nm Polarization Insensitive Optical Circulator
fiber optical circulator
Optical Circulator is a passive optical component that can be used to achieve bi-directional transmission over a single fiber in WDM optical networks. It is widely implemented in equipment such as Dispersion Compensation Modules (DCMs), Optical Add-Drop Multiplexers (OADMs), Optical Time-Domain Reflectometers (OTDRs), optical amplifiers, and fiber optic sensors. Powerlink provides both polarization insensitive and polarization maintaining optical circulators. These optical circulators feature with high isolation, low insertion loss, and excellent environmental stability etc. Customers can buy these circulators directly in this category or Make Customized Orders.
Powerlink’s Polarization-Maintaining (PM) Optic Circulators are non-reciprocating, unidirectional, three-port devices that are used in a wide range of optical setups. Available with a center wavelength of 1064, 1310 (O-Band), or 1550 nm (C-Band), these circulators are designed to work with light that is launched into the slow axis.
Choose from versions with no connectors, FC/ST/SC/LC PC&APC connectors and so on.
Characteristics
- Low Back Reflection
- High Extinction Ratio
- Low Insertion Loss
- High Return Loss
- Excellent environmental stability and reliability
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.
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
Order Information
PMCIR |
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Product Description |
Port Type |
Stage |
Operating |
Pigtail Type |
Fiber Type |
Connector Type |
Fiber Length |
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Custom |
| Parameter | Unit | Value | ||
| Type | - | Type A | Type B | |
| Center Wavelength | nm | 1310& 1550 | 1310 &1550 | 1064 |
| Operating Wavelength Range | nm | ±30 | ±20 | ±5 |
| Typ.Peak Isolation 23°C | dB | 46 | 30 | 30 |
| Min.Isolation at 23°C | dB | 40 | 20 | 25 |
| Typ.Insertion Loss at 23°C | dB | 0.7 | 0.6 | 1.8 |
| Max.Insertion Loss at 23°C | dB | 0.9 | 0.8 | 2.1 |
| Min.Extinction Ratio | dB | 22 | 20 | 20 |
| Min.Cross Talk | dB | 50 | ||
| Min.Return Loss | dB | 50 | ||
| Max.Optical Power(CW) | mW | 300 | ||
| Max.Tensile Load | N | 5 | ||
| Fiber Type | - | PM Panda Fiber | ||
| Operating Temperature | °C | -5~+70 | ||
| Storage Temperature | °C | -40~+85 | ||
| For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower; | ||||
| The default connector key is aligned to slow axis; | ||||
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