A Phase Shifted FBG Fiber Bragg Grating introduces phase discontinuities into a fiber grating, creating a narrow transmission window in the FBG's reflection spectrum. The transmission wavelength varies with the amount of phase shift. Phase-shifted FBGs can be used as demultiplexers in dense wavelength division multiplexing (DWDM) systems. The magnitude, location, and point of the phase shift have a significant impact on the performance of the demultiplexer.
♦ Low insertion loss
♦ High reflectivity
♦ Easy installation
♦ WDM system
♦ Fiber laser
♦ High-precision transmission filter
♦ Ultrasonic detector
♦ Fiber sensor
| Parameter | Unit | Value |
| Wavelength | nm | 1510-1590 |
| Reflectivity | % | 5-99% |
| Transmission bandwidth | nm | 0.05 (typical) |
| Bandwidth@-3dB | nm | 0.1~0.8 |
| Side mode suppression ratio | dB | >10 |
| Recoating | -- | Bare FBG,Acrylate, Polyimide, or customize |
| Tensile strength | kpsi | ≥100 |
| Fiber type | -- | SM fiber |
| Fiber coating | -- | Acylate |
| Fiber length | m | Typical 1M on both sides,or customize |
| Connector | -- | Bare fiber, FC/APC, SC/APC,or customize |
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