Description
1950nm PM Manual Variable Optical Attenuator
1950nm PM Manual Variable Optical Attenuator is a fiber component which can control the attenuation of the optical power by adjusting the screw manually, the attenuation value can be up to 60dB, it’s widely used in Quantum Communication field, Optical Power Testing System, higher power version is available.
| Application: | Features: |  |
| Quantum Communication | Low Original Loss | |
| Fiber Laser | High Return Loss | |
| Testing System | High Attenuation Range | |
| Lab And Research | High Reliability |
Specification:
| Parameter | Symbol | Value |
Unit |
| Center Wavelength | λ | 1950 |
nm |
| Bandwidth | BW | ±20 | nm |
| Attenuation Range | 0.8~60 | dB | |
| Max. Original Loss | IL | 0.8 | dB |
| Adjustment Precision | 0.02 | dB | |
| Min. Extinction Ratio | ER | 20 | dB |
| Min. Return Loss | RL | 50 | dB |
| Max. Optical Power (CW) | P | 500 or customized | mW |
| Max. Tensil Load | 5 | N | |
| Fiber Type | PM 1550 or PM 1950 Panda Fiber | – | |
| Operating Temperature | T | -5~70 | ℃ |
| Storage Temperature | T | -40~85 | ℃ |
| Package Dimension | 26x18x8 | mm |
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, IL will be 0.3dB higher, ER will be 2dB lower, RL will be 5dB lower, slow axis is default aligned to the connector key. |
Drawing:
Ordering Information (Part Number):
| PMVOA-WWWW-FF-J-LL-CC |
||||
| WWWW | FF | J | LL | CC |
| Wavelength | Fiber Type | Fiber Jacket | Fiber Length | Connector |
| 1900 – 1900nm | P5 – PM 1550 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1940 – 1940nm | P1 – PM 1950 | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC |
| 1950 – 1950nm | 2 – 2.0mm Loose Tube | 10 – 1.0m | FU – FC/UPC | |
| 2000 – 2000nm | 3 – 3.0mm Loose Tube | 15– 1.5m | SA – SC/APC | |
| 2050 – 2050nm | 20 – 2.0m | SU – SC/UPC | ||
| 2100 – 2100nm | LA – LC/APC | |||
| 2200 – 2200nm | LU – LC/UPC | |||
| SSSS – Specify | SS – Specify | |||
Example: PMVOA-1950-P5-9-10-FA is the PN for 1950nm PM Manual Variable Optical Attenuator, 1.0m PM Panda fiber, 900um loose tube, FC/APC