The Pump Laser Protector, also called Pump Protection Filter, is a passive component which allows maximum transmission from a discrete fibre-coupled pump laser diode and blocks par asitic signals around the centre wavelength of the laser from being reflected back into the laser. Depending on the fiber type of laser diode, we have SM Pump Laser Protector, PM Pump Laser Protector, MM Pump Laser Protector. They can work for 1.0μm fiber laser and 1.5μm fiber laser.
If you do not see a standard Pump Laser Protector that meets your needs, we welcome the opportunity to review your desired specification and quote a custom isolator. 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 · Low Cost · High Reliability · Excellent Temperature Stability |
· Fiber Amplifiers
· Fiber lasers · Test and Measurement · Instrumentation |
Performance Specifications
| Parameters | Unit | Values |
| Pump Laser Center Wavelength | nm | 915 or 975 |
| Operating Wavelength Range | nm | ± 15 |
| Typ. Pump Insertion Loss | dB | 0.4 |
| Max. Pump Insertion Loss (-5~70℃) | dB | 0.6 |
| Min. PER (PM fiber) | dB | 18 |
| Max. PDL (No-PM fiber) | dB | 0.15(0.2 for MM fiber) |
| Operating Signal Wavelength Range | mm | 1020~1120(1.0μm) or 1530~1570(1.5μm) |
| Min. Backward Signal Isolation | dB | 30 |
| Max. Optical Power | CW | 0.5, 7, 10, or specify |
| Min. Return Loss | dB | 50 (30 for MM fiber) |
| Fiber Type | – | Hi1060-XP, PM980 Panda fiber
105/125, NA0.22, Multimode Fiber or Specify |
| Operation Temperature | ℃ | -5 ~ +65 |
| Storage Temperature Range | ℃ | -40 ~ +85 |
- 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.
Package Dimension
Dimension for <10W
Dimension for <30W
*Due to ongoing design improvements, the package size is subject to change. Please contact OPC PHOTONICS for confirmation.
Order information P/N: SM(PM/MM)PLP-①-②-③-④-⑤-⑥-⑦
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 |
| Pump Laser Wavelength | Optical Power | Backward Signal Wavelength | Fiber Type | Fiber Jacket on In & Out | Fiber Length | Connector Type on In&Out |
| 915:915nm
975:975nm XX: Other |
05:5W
10:10W 20:20W 25:25W XX: Other |
10:1064nm
15:1550nm |
XX/XX/XX (core/clad/ NA) | 25:250μm Bare Fiber
90:900μm Loose Tube XX: Others |
10:1.0m
XX: Other |
00: None
XX: Others |
Part Number Example #1: SMPLP-975-5-10-105/125/022-25-08-00
Description: 975nm Single mode Pump Laser Protector, – 10W, backward signal wavelength 1064nm, HI1060 fiber, with bare fiber & 0.8m length, no connector.
Part Number Example #2: PMPLP-975-10-10-PM980-25-08-00
Description: 975nm PM Pump Laser Protector, – 10W, backward signal wavelength 1064nm, PM980 fiber, with bare fiber & 0.8m length, no connector.
Part Number Example #3: MMPLP-975-20-10-105/125/022-25-08-00
Description: 975nm Multimode Pump Laser Protector, – 20W, backward signal wavelength 1064nm , 105/125um, NA0.22 fiber, with bare fiber & 0.8m length, no connector.
Ordering Information for Custom Parts
If you need to customize other specifications, please provide detailed description for your requirement.
Request a quote
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