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Long range distributed optical fiber hot wire anemometer based on chirped pulse ΦTDR

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Academic year: 2020

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Figure

Fig. 1. Diagram of the sensor setup. The deployment of the fiber under test is shown in Fig
Fig. 2. Diagram of the experimental sensing fiber deployment. The coated fiber is suspended from seven points (5 cm diameter fiber reels) inside the wind tunnel.
Fig. 3. Demonstration of the working principle which allows to perform fast wind speed measurements
Fig. 4. Left: FFT of the cyclic exponential-like thermal time-response for several values of u
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