Fiber Grating Strain Rosette
The grating strain rosette is a three-direction strain sensor based on fiber Bragg gratings (FBGs). Changes in the FBG spectrum are measured to monitor the magnitude and direction of principal strain. It offers a short gauge length, strong electromagnetic-interference resistance, a long service life, convenient series/parallel networking and high stability. It is passive and resistant to electromagnetic interference; supports series/parallel sensor networks; and provides good linearity, no significant hysteresis and good repeatability.
Specification Snapshot
Center Wavelength
1510–1590 nm
Reflectance
≥10 %
Side Mode Suppression Ratio
≥15 dB
Dimensions [45°; Length × Width × Thickness]
Approximately 47×44×0.7
Dimensions [60°; Length × Width × Thickness]
Approximately 56×44×0.7
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Overview
The grating strain rosette is a three-direction strain sensor based on fiber Bragg gratings (FBGs). Changes in the FBG spectrum are measured to monitor the magnitude and direction of principal strain. It offers a short gauge length, strong electromagnetic-interference resistance, a long service life, convenient series/parallel networking and high stability. It is passive and resistant to electromagnetic interference; supports series/parallel sensor networks; and provides good linearity, no significant hysteresis and good repeatability.
Specifications
| Parameter | Value |
|---|---|
| Strain Sensitivity k_ε | Approximately 1.3 |
| Strain Measurement Range | ±2500 με |
| Wavelength/Strain Linearity | 99.9 % |
| Operating Temperature Range | −40 to +85 |
| Strain Accuracy | 5 με |
| Strain Resolution | 1 με |
| Temperature Sensitivity k_T | Approximately 28 |
| Temperature Measurement Range | −40 to +85 |
| Center Wavelength | 1510–1590 nm |
| Reflectance | ≥10 % |
| Side Mode Suppression Ratio | ≥15 dB |
| Connector Type | FC/APC or as Specified |
| Pigtail Length [Or as Specified] | 1.0 m |
| Fiber Bend Radius | 10 mm |
| Pigtail Protection Type | With +0.9 mm Sleeve |
| Reliability Test | Complies With GR-1221-Core |
| Strain Rosette Angle | 45 or 60 |
| Dimensions [45°; Length × Width × Thickness] | Approximately 47×44×0.7 |
| Dimensions [60°; Length × Width × Thickness] | Approximately 56×44×0.7 |
Applications
• Applications suited to conventional electrical resistance strain rosettes • Conventional surface-mounted fiber grating strain measurement • Harsh environments with electromagnetic interference, stringent explosion-protection requirements, and similar conditions
Datasheet
Product Datasheet
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Supplier Information
Founded in 2000 and listed on the ChiNext of Shenzhen Stock Exchange in 2016, T&S Communications is a national high-tech enterprise focusing on the R&D, production and sales of core optical communication components and integrated functional modules. As a globally leading manufacturer of MTP/MPO high-density optical fiber connectors and one of the world's largest manufacturers of ceramic ferrules, the company's products are widely used in large and ultra-large data centers, cloud computing platforms, AI training clusters, telecommunication networks and next-generation intelligent computing infrastructure in North America and Europe, continuously providing high-quality optical connection products and solutions to global leading cloud service providers, equipment manufacturers and data center operators.
The company has a rich product line, covering passive optical components such as high-density optical fiber connectors, conventional optical fiber connectors, PLC splitters, and wavelength division multiplexers, active optical components such as high-speed optical modules and active optical cables, as well as key basic components such as ceramic ferrules, MT ferrules, planar lightwave circuit wafers and chips.
T&S Communications has three subsidiaries: Hechuan Powder, Ruixinyuan, and Tesilu Precision, and has established a production base in Vietnam. Relying on the "Guangdong Provincial Optical Fiber Sensing (T&S Communications) Engineering Technology Research Center", the company actively promotes the large-scale application of optical fiber sensing technology in fields such as electric power, transportation, energy, and infrastructure. Looking to the future, T&S Communications closely follows the development trends of ultra-high computing power and the Internet of Everything, focusing on cutting-edge businesses such as high-density optical interconnection, CPO (Co-Packaged Optics) and optical fiber sensing, and is committed to building a high-density, high-speed, intelligent "optical communication + optical sensing" product system, providing global customers with reliable and forward-looking products and solutions.
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