Project Description

1064nm 4-port Polarization Maintaining Optical Circulator

The 1064nm 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 21000nm.

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.

Features Applications
·       Low Insertion Loss

·       High Isolation

·       High Extinction Ratio

·       Low Cost

·       High Stability & Reliability

 ·       Fiber Amplifiers

·       Fiber Sensor

·       Test and Measurement

·       Coherent Detecting

Performance Specifications

Parameter Unit Values
Isolation level – Type A Type B
Center Wavelength nm 1064
Operating Wavelength Range nm ± 5
Min. Isolation dB 35 20
Typ. Isolation dB 40 28
Peak Isolation dB 45 35
Typ. Insertion Loss dB 3.8 2.2
Max. Insertion Loss dB 4.2 2.8
Min. Extinction Ratio dB 20 20
Min. Return Loss dB 50
Min. Cross Talk dB 50
Max. Power Handling(Total input, continuous wave) mW 100 300
Max. Tensile Load N 5
Fiber Type – PM Panda Fiber
Operating Temperature ℃ -5 to +70
Storage Temperature ℃ -40 to +85
Package Dimensions mm Ø5.5 x L35
  1. Above specifications are for device without connector.
  2. 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.
  3. 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
  4. For this 1064nm Circulator, Due to high IL, it is recommended to use average power of <300mW for Type B and <100mW for Type A. If you need higher handle power, please look for our 1064nm High power Circulator.
  5. If there is pulse application, please be sure to inform us of pulse energy and peak power.

Package Dimension

*Due to ongoing design improvements, the package size is subject to change. Please contact DK Photonics for confirmation.

Order information   P/N: PMOC-①-②-③-④-⑤-⑥-⑦-⑧

When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better. If need any connector, we do not recommend choosing a 250μm bare fiber pigtail.

① ② ③ ④ ⑤ ⑥ ⑦ ⑧
Port Operating Wavelength Axis Isolation level Power Handling Pigtails Diameter Fiber Length Connector
4:4-port 64:1064nm F:Fast axis blocked A:Type A

B:Type B

 L: Refer to the above table 25:250μm bare fiber

90:900μm Loose tube

XX: Others

 05:0.5m

08:0.8m

10:1.0m

XX: Others

 00:None

FP: FC/PC

FA: FC/APC

XX: Others

Part Number Example: PMOC-4-64-F-B-1-25-10-00

Description: 1064nm 4-port Polarization Maintaining Optical Circulator, 300mW power, Fast axis blocked, Type B, with PM980 bare fiber, 1.0m length fiber and no connectors at all ports.

Ordering Information for Custom Parts

If you need to customize other specifications, please provide detailed description for your requirement.

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