Project Description
TGG Based 980nm Optical Circulator
The TGG Based 980nm Optical Circulator is a high performance light-wave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3. They’re characterized with low insertion loss, high isolation, high power handling, high return loss, low PDL, low PMD, excellent environmental stability and reliability. They are ideal for fiber laser and instrumentation applications.
If you do not see a standard 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 Power Handling · High Isolation · PM and Non-PM are available · Fiber can be customized · High Reliability · Excellent Temperature Stability |
· Fiber optic Amplifiers
· Pump Laser Source · Fiber optic Sensor · Test and Measurement · Instrumentation |
Performance Specifications
| Parameters | Unit | Values |
| Operation Wavelength | nm | 980 |
| Operating Wavelength Range | nm | ±15 |
| Typ. Peak Isolation | dB | 25 |
| Min. Isolation, λc, 23 ℃(dB) | dB | 22 |
| Typ. Insertion Loss, 23 ℃ (dB) | dB | 1.0 |
| Max. Insertion Loss, 23 (dB) | dB | 1.5 |
| Max. PDL(for SM fiber) | dB | 0.15 |
| Min. Extinction Ratio(for PM fiber) | dB | 18(Type B), 20(Type F) |
| Min.Cross Talk (dB) | dB | 45 (Typ. 50) |
| Min.Return Loss (dB) | dB | 45 |
| Power Handling(total pass) | W | 5,10,20, 30 |
| Max. Peak Power for ns Pulse | kW | 10, 20 (for typical pulse application) |
| Max. Tensile Load(N) | N | 5 |
| Fiber Type | – | HI1060, PM 980 fiber, Other |
| Operating Temperature | °C | 0 ~ +60 |
| Storage Temperature | °C | -10 ~ +75 |
- Above specification are for device without connector, and may change without notice.
- IL is 0.3 dB higher and RL is 5 dB lower, ER is 2dB lower (PM type) for each connector added.
- The pass optical power is 2 W only for connector added, the connector is only used for performance testing at low power, higher power requires splicing fibers.
- Type B: Both axis working, Type F: Fast axis blocked, the default is Type B if without request (Only for PM type)
- 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: PIOC (PMOC)-①-②-③-④-⑤-⑥-⑦ (PMOC-B/F: Polarization Maintaining Optical Circulator)
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. For high power applications, we recommend direct splicing without connectors.
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ |
| Port | Operating Wavelength | Power Handling | Fiber Type | Fiber Diameter | Fiber Length | Connector |
| 3:3-port | 85:850nm
98:980nm 30:1030nm 64:1064nm |
L:<0.5W
1:1W 3:3W 5:5W 10:10W |
XX/XX/XX/XX(core/clad/core NA/clad NA) | 25:250μm bare fiber
09:900μm Loose Fiber XX: Others |
05:0.5m
10:1.0m 15:1.5m XX: Others |
00:None
FP: FC/PC FA: FC/APC SA: SC/APC LA: LC/APC XX: Others |
Part Number Example #1: PIOC-3-98-2-HI1060-90-10-00
Description: 980nm 3-port Polarization Insensitive Optical Circulator, 2W power handling, HI1060 fiber, with 0.9mm OD loose tube, 1.0m length fiber pigtails, without connectors.
Part Number Example #2: PMOC-F-3-98-L-PM980-90-10-00
Description: 980nm 3-port Polarization Maintaining Optical Circulator, Fast axis blocked, 0.5W power handling, PM980 fiber, with 0.9mm OD loose tube, 1.0m length fiber pigtails, without connectors.
Ordering Information for Custom Parts
If you need to customize other specifications, please provide detailed description for your requirement.
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