Description
2000nm 1×2 2×2 PM Fiber Filter Coupler
2000nm 1×2 2×2 PM Fiber Filter Coupler is built with thin-film filter technology. optical signal power can be splitted into two parts with even or various coupling ratio by the Filter Coupler, it’s widely applied in Fiber Laser and Fiber Optic Sensor field, the high power type is available upon request.
| Application: | Features: |  |
| Fiber Laser | Low Excess Loss | |
| Fiber Optic Sensor | High Extinction Ratio | |
| Testing System | Low Insertion Loss | |
| Optical Diffraction System | High Reliability |
Specification:
| Parameter |
Symbol | Value |
Unit | ||
| Center Wavelength |
λ | 2000 |
nm | ||
| Bandwidth |
BW | ±20 |
nm | ||
| Configuration |
1×2 | 2×2 | – | ||
| Max. Excess Loss |
EL | 0.7 | 1.0 | dB | |
| Coupling Ratio Tolerance |
1±0.2, 2±0.4, 3±0.7, 5±1, 10, 20, 30, 50 | % | |||
| Min. Extinction Ratio |
For Both Axes Working | ER | 20 | 18 | dB |
| For Fast Axis Blocked | ER | 22 | 20 | dB | |
| Min. Directivity |
50 |
dB | |||
| Min. Return Loss |
RL | 50 | dB | ||
| Max. Optical Power (CW) |
P | 500 or specify | mW | ||
| Max. Tensil Load |
5 | N | |||
| Fiber Type |
PM Panda fiber | – | |||
| Operating Temperature |
T | -0~70 | ℃ | ||
| Storage Temperature |
T | -40~85 | ℃ | ||
| Package Dimension |
Φ5.5×L35 |
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 2 dB lower, RL will be 5dB lower. |
Drawing:
Ordering Information (Part Number):
| PMFIC-WWWW-PP-A-RR-J-LL-CC |
||||||
| WWWW | PP | A | RR | J | LL | CC |
| Wavelength | Port | Working Axis | Coupling Ratio | Fiber Jacket | Fiber Length | Connector |
| 1900 – 1900nm | 12 – 1×2 | F – Fast Axis Blocked | 01 – 1/99 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1940 – 1940nm | 22 – 2×2 | B – Both Axes Working | 02 – 2/98 | 9 – 900um Loose Tube | 10 – 1.0m | FA – FC/APC |
| 1950 – 1950nm | 03 – 3/97 | 2 – 2.0mm Loose Tube | 15 – 1.5m | FU – FC/UPC | ||
| 2000 – 2000nm | 05 – 5/95 | 3 – 3.0mm Loose Tube | 20 – 2.0m | SA – SC/APC | ||
| 2050 – 2050nm | 10 – 10/90 | SS – Specify | SU – SU/APC | |||
| SSSS – Specify | 20 – 20/80 | LA – LC/APC | ||||
| 30 – 30/70 | LU – LC/UPC | |||||
| 40 – 40/60 | SS – Specify | |||||
| 50 – 50/50 | ||||||
| SS – Specify | ||||||
Example: PMFIC-2000-12-F-50-9-10-FA is the PN for 2000nm PM Fiber Filter Coupler, 1×2, 50/50, Fast Axis Blocked, 1.0m PM fiber, 900um loose tube, FC/APC connector