Phase Shifted FBG is to introduce phase discontinuity points in the FBG, and generate a very narrow transmission window in the reflection spectrum of the FBG, the transmission wavelength varies with the phase shift amount.
Phase Shifted FBG can be used as a demultiplexer in dense wavelength division multiplexing (DWDM) systems. The size, location and points of phase shift have an important impact on the performance of the demultiplexer.
Low Insertion Loss
High Reflectivity
Easy Installation
WDM Systems
Optical Fiber Lasers
High Finesse Transmission Filters
Ultrasonic Detectors
Optical Fiber Sensors
Parameter | Unit | Value |
Center Wavelength | nm | 1510 ~ 1590 |
Reflectivity | % | 50-99% |
Transmission Bandwidth | nm | 0.05 (typical) |
Bandwidth (FWHM) | nm | 0.1~0.8 |
SLSR | dB | ≥8 |
FBG Recoating | -- | None, Acrylate, Polyimide, or custom |
Tensile Strength | kpsi | ≥100 |
Fiber Type | -- | Single-Mode |
Fiber Coating | -- | Acrylate |
Pigtail Length | m | Standard 1m both ends, or custom |
Optical Connector | -- | Bare Fiber, FC/APC, SC/APC, or custom |
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