The 1550nm 4-port Polarization Maintaining Optical Circulator(Fast axis blocked) is a compact, high performance lightwave component that routes incoming signals from Port 1 to Port 2, incoming Port 2 signals to Port 3, and incoming Port 3 signals to Port 4. It utilizes proprietary designs and metal bonding micro optics packaging. It provides low insertion loss, broad band high isolation, high extinction ratio, excellent temperature stability and optical path epoxy free. It can be used for wavelength add/drop, dispersion compensation and EDFA applications.
DK Photonics offers a large selection of polarization insensitive or polarization maintaining 3-port/4-port optical circulator. These devices can handle powers rang from 300mW to 20W, and have center operating wavelengths ranging from 850nm to 1650nm.
If you do not see a standard Optical Circulator that meets your needs, we welcome the opportunity to review your desired specification and quote a custom circulator. Requests for custom fiber pigtails, different wavelengths and handling power of operation or other specific needs will be readily addressed.
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Features
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Applications
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· Low Insertion Loss
· High Isolation
· High Extinction Ratio
· Low Cost
· High Stability & Reliability
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· Fiber Amplifiers
· Fiber Sensor
· Test and Measurement
· Coherent Detecting
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Performance Specifications
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Parameter
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Unit
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Values
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Type
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-
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Type A
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Type B
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Center Wavelength
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nm
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1550
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Operating Wavelength Range
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nm
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± 30
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± 20
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Min. Isolation
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dB
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40
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20
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Typ. Isolation
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dB
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50
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30
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Peak Isolation
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dB
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55
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40
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Typ. Insertion Loss
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dB
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0.8
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0.7
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Max. Insertion Loss
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dB
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1.1
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1.0
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Min. Extinction Ratio
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dB
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20
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20
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Min. Return Loss
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dB
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50
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Min. Cross Talk
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dB
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50
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Max. Power Handling(Total input, continuous wave)
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W
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0.5, 1, 3, 5
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Max. Tensile Load
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N
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5
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Fiber Type
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-
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PM1550 Panda Fiber
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Operating Temperature
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℃
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-5 to +70
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Storage Temperature
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℃
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-40 to +85
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Package Dimensions
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mm
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Ø5.5 x L35
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*Above specifications are for device without connector.
*For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower.The default connector key is aligned to slow axis. Power transmit through the connector less than 2W.
*The transmission optical path of A type is different from B type:Type A: 1 -> 2, 2 -> 3, 3 -> 4; Type B: 1 -> 2, 2 -> 3, 3 -> 4;4->1
*For high power applications, we will use heat sink package, contact DK Photonics for details.
Package Dimension
*Due to ongoing design improvements, the package size is subject to change. Please contact DK Photonics for confirmation.
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