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Femtosecond FBG
简要描述： Femtosecond FBG is optical fiber with periodic changes in the core refractive index made by Femtosecond laser direct inscribing without stripping the fiber coating.
产品介绍
Femtosecond FBG
Femtosecond FBG is optical fiber with periodic changes in the core refractive index made by Femtosecond laser direct inscribing without stripping the fiber coating. It is a passive filter that can measure temperature, strain, stress, vibration, speed, acceleration and other variables in extreme and harsh environments with its excellent high temperature resistance and tensile resistance. It can be customized according to customer required parameters.
Key Features
l More stable: Quartz FsFBG can be stable at 1000℃ for a long time
l More durable: no need to strip fiber coating, and recoating
l More flexible: no phase mask, no Hydrogen loading required
Applications
l Building Structural Health Monitoring
l Energy monitoring
l Biomedical monitoring
Specifications
Parameter | Unit | Value |
Center Wavelength | nm | 1460 ~ 1640 |
FBG Profile | -- | Apodized |
Wavelength Tolerance | nm | +/-0.5 |
FBG Length | mm | ≤5 |
Reflectivity | % | ≥50 |
Bandwidth (FWHM) | nm | ≤0.5 |
SLSR | dB | ≥10 |
Tensile Strength | kpsi | ≥100 |
Fiber Type | SM fiber, bend-insensitive fiber, Polyimide fiber, radiation-hardened fiber, Sapphire fiber, etc. | |
Pigtail Length | m | Standard 1m both ends, or custom |
Optical Connector | -- | Bare Fiber, FC/APC, SC/APC, or custom |
Operating Temperature | °C | -80 ~ +1000 |
