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    • Metal FBG Strain Sensor

    The metal FBG strain sensor is based on the photosensitive properties of fibre Bragg gratings. When the sensor is subjected to an external force, the substrate undergoes strain, which in turn causes a linear shift in the reflected wavelength of the FBG. Strain information is precisely obtained by measuring the wavelength drift. The sensor is mounted on the surface of the test object using adhesive bonding. It can be used as a single point or with multiple sensors connected in series. Custom sensor arrays can also be supplied to form a distributed sensing network.

    Product features：Anti interference, explosion-proof, and good dynamic performance; Non adhesive packaging, stable, with minimal temperature drift; Dual ended output, can be connected in series to form a network; The size bracket can be customized.

    Part Number：MP‑BG‑FBGS‑1100

    Application area：Aerospace monitoring of wing and fuselage strain | Railway monitoring of key components of vehicles | Long term monitoring of wind and nuclear energy anti-interference | Bridge monitoring of strain and stress to ensure safety.

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    Main parameters
  • Core parameters

  • Measurement Range Measurement Accuracy

    –2500 µε to +3000 µε, customisable Better than ±(2 + 0.005 × F.S.) µε

  • Dimension Drawing
    • General Parameters

    Specification

    Parameter

    Measurement range

    –2500 µε to +3000 µε, customisable

    Measurement accuracy

    Better than ±(2 + 0.005 × F.S.) µε

    Resolution

    Better than 0.5 µε

    Maximum drift

    < 50 µε

    Operating temperature

    –40 °C to +80 °C / –60 °C to +200 °C (customisable)

    Substrate dimensions

    27 × 8 × 0.9 mm (L × W × T), customisable

    Sensor weight

    < 1 g

    Connector type

    FC/APC, FC/PC, SC, ST (customisable)

    Bend radius

    ≥ 17 mm

    Tubing type

    0.9 mm Teflon tubing, customisable

    Installation method

    Adhesive bonding, welding

    Central wavelength

    1510 nm – 1590 nm

    Wavelength deviation

    –0.3 to +0.3 nm

    Reflectance

    ≥ 90%

    –3 dB bandwidth

    ≤ 0.3 nm

    Side‑mode suppression ratio

    ≥ 15 dB


    Optional Configurations

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  • Product title: Metal FBG Strain Sensor
  • Product link: https://www.idealphotonics.com/product/detail/1847.html

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      • Other Requirements:

    • 10+ 10 Years of Experience
    • 50 50 + Countries Bussiness
    • 10000 10k + Diodes sold worldwide
    • 30 30+ Invention patent
    • 10 10+ Advanced Optical Solutions

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