| 摘要 |
<p>According to the invention, the optical filter is of the type comprising an interferometer (22) of the Fabry-Pérot type used in rotation and placed between an optical source (20, 21) and an optical receiver (24). The interferometer (22) filters an optical input signal coming from the optical source (20, 21), the optical input signal propagating substantially in a single mode, and supplies a filtered optical signal to the optical receiver (24), the optical receiver (24) comprising a reception surface which integrates the power density of the filtered optical signal. The filter is characterised in that it comprises means (60) enabling the relative position of the filtered optical signal to be modified in relation to the reception surface of the optical receiver (24). <IMAGE></p> |
