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FBG Strain and Temperature Sensors
FBG Strain and Temperature Sensors
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Fiber Bragg grating strain gages can be delivered pre-laminated for measuring strain on stiff surfaces. They are suitable for being fixed easily onto the measurement object, like concrete beams, or rocks. They are useful to measure dynamic events on stiff materials, where a direct embedding of the bare fiber is not applicable. Each strain gage will be calibrated to ensure a highly accurate measurement. |
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 Since the laminated strain gage has a higher stiffness than the bare fiber, it must not be applied onto weaker objects. |
| Specification | Premium | Standard |
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| Wavelength | 800 .. 1620nm | 1280 .. 1340nm; 1520 ..1620nm |
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| Reflectivity | 90 .. 99% | |
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| FWHM |
< 0.3 nm or custom |
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| Side lobe suppression | 25 dB | 20 dB |
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| Strain limit | +/- 1 % (20 mstrain) | |
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| Gauge factor | depends on fiber type | |
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| Operating temperature | 0° .. 70 °C | |
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| Termination | Bare fiber, FC/PC, FC/APC, ST, SC/PC, SC/APC, DIN, SMA | |
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| Packaging | Laminated | |
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| Spectral characteristics |
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