Fiber Bragg grating multiplexing system is presented. A set of many Bragg gratings sensors with very smooth side slopes were realized. They are tuned for different wavelengths. They form the distributed measurement system which can be applied for strain control. For signal detection special spectrophotometer with InGaAs linear photodiode array was realized. Fiber-optic switches were applied for flexible multiplexing of many sensors into the system.
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