FBG strain rosette is a three-dimensional strain measuring sensor based on fiber Bragg grating. lt can monitor the main strain value and its direction of the measured object by measuring the spectral shifts of FBG. FBG strain rosette has some advantages includingshort gauge length, free from electromagnetic interference, long service life, convenient serial and parallel networking, and high stability.
• Suitable for application scenarios where traditional resistance strain gauges used
• Suitable for application scenarios where traditional surface-mounted resistance strain gauges used
• Suitable for harsh environments with the requirements of high anti-electromagnetic interference and explosion-proof
• Free from electromagnetic interference
• Convenient serial and parallel networking
• Good linearity
• No obvious hysteresis
• Good repeatability
Strain | Unit | Specification |
FBG Strain Rosette Angle | degree | 45 or 60 |
Strain Sensitivity | pm/uε | ~1.3 |
Strain Range | uε | ±3000 |
Linearity | % | 99.9 |
Temperature | Unit | Specification |
Temperature Sensitivity | pm/℃ | ~28 |
Temperature Range | ℃ | -40~+85 |
Optics | Unit | Specification |
Central Wavelength | nm | 1510-1590 |
Reflectivity | % | ≥10 |
SMSR | dB | ≥15 |
Machinery | Unit | Specification |
Dimension | L(mm)×W(mm)×T(mm) | ~47×44×0.7(45) ~56×44×0.7(45°) |
Connector Type | - | FC/SC/LC/MT |
Pigtail Length | m | 1.0 |
Fiber Bending Radius | mm | 10 |
Pigtail Protection Type | - | Optical fiber ribbon +0.9mm tube |
Reliability | - | Conform to GR-1221-Core |
The Working Principle, Performance and Precision of Fiber Optic Attenuator
22 Jul 2022
1. How does the fiber optic attenuator work?Power reduction is accomplished by methods such as absorption, reflection, diffusion, scattering, reflection, diffraction, and dispersion. Optical attenuato...
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