Abstract
A fiber-optic anemometer using heat transfer is proposed and operated successfully. The anemometer has a polarimetric interferomettric structure using a polarization-maintaining fiber with an electrode as a heater. When current intensity applied to the electrode is kept constant, the temperature of the heater depends on a magnitude of wind velocity. The temperature is measured as the change in the output intensity by the interferometer. At a current of 50 mA, the output intensity monotonously decreases with wind velocity from 1 to 8 m/sec. the experimental results are consistent qualitatively with theoretical ones.
