Description
1950nm SM Fixed In-line Optical Attenuator
1950nm SM Fixed In-line Optical Attenuator is a fiber component which can attenuate the optical power with a fixed attenuation value, the attenuation value can be up to 30dB, it’s widely used in Quantum Communication, fiber laser and Testing System. High power type is available upon request.
| Application: | Features: |  |
| Quantum Communication | High Precision | |
| Fiber Laser | High Power | |
| Testing System | High Attenuation | |
| Lab And Research | High Reliability |
Specification:
| Parameter | Symbol | Value |
Unit |
| Center Wavelength | λ | 1950 |
nm |
| Bandwidth | BW | ±10 | nm |
| Attenuation and Tolerance | 1±0.1, 2±0.2, 3±0.3, 5±0.7, 10±1.0, 15±1.8, 20±2.5, 30±3.0 or customized |
dB | |
| Max. Polarization Dependent Loss | PDL | 0.15 | dB |
| Min. Return Loss | RL | 50 | dB |
| Max. Optical Power (CW) | P | 500 or customized | mW |
| Max. Tensil Load | 5 | N | |
| Fiber Type | SM 1905 or SMF-28e fiber | – | |
| Operating Temperature | T | -5~70 | ℃ |
| Storage Temperature | T | -40~85 | ℃ |
| Package Dimension | Φ3.0×L54 | mm |
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, RL will be 5dB lower. |
Drawing:
Ordering Information (Part Number):
| SMFIA-WWWW-PP-AA-FF-J-LL-CC |
||||||
| WWWW | PP | AA | FF | J | LL | CC |
| Wavelength | Port | Attenuation | Fiber Type | Fiber Jacket | Fiber Length | Connector |
| 1900 – 1900nm | 11 – 1×1 | 01 – 1dB | S1 – SM 1950 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1940 – 1940nm | 02 – 2dB | S2 – SMF-28e | 9 – 900um Loose Tube | 08 – 0.8m | FA – FC/APC | |
| 1950 – 1950nm | 03 – 3dB | 2 – 2.0mm Loose Tube | 10 – 1.0m | FU – FC/UPC | ||
| 2000 – 2000nm | 05 – 5dB | 3 – 3.0mm Loose Tube | 15– 1.5m | SA – SC/APC | ||
| 2050 – 2050nm | 10 – 10dB | 20 – 2.0m | SU – SC/UPC | |||
| 2100 – 2100nm | 15 – 15dB | LA – LC/APC | ||||
| 2200 – 2200nm | 20 – 20dB | LU – LC/UPC | ||||
| SSSS – Specify | 30 – 30dB | SS – Specify | ||||
| SS – Specify |
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Example: SMFIA-1950-11-03-S2-9-10-FA is the PN for 1950nm SM Fixed In-line Optical Attenuator, 3dB attenuation, 1.0m SM fiber, 900um loose tube, FC/APC