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Article Dans Une Revue Applied optics Année : 2023

Advanced control of an acousto-optic filter performance through arbitrary RF signals

Résumé

The proposed study consists of using the capabilities of an arbitrary waveform generator to create a specific radiofrequency (RF) signal to be applied to an acousto-optic tunable filter based on quasicollinear interaction. By controlling the duration and shape of the acoustic pulse, the filter transmission function can be changed in terms of selectivity and side-lobe levels. The measurement results show good agreement with the simulation model based on the fast Fourier transform. In particular, the Hamming window has been found to be a good option for suppressing side lobes in the transmission function, even when using high acoustic powers.
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Dates et versions

hal-04160515 , version 1 (12-07-2023)

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Andre Perennou, Véronique Quintard, Adan Omar Arellanes. Advanced control of an acousto-optic filter performance through arbitrary RF signals. Applied optics, 2023, 62 (21), pp.5636-5643. ⟨10.1364/AO.494334⟩. ⟨hal-04160515⟩
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