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Beam quality of acousto-optic frequency shifters
Optics Letters
|August 18, 2009
Abstract:
The beam quality of the diffracted wave from a bulk acousto-optic frequency shifter has been accurately measured. High accuracy in measuring the output-phase profile was achieved by a unique utilization of heterodyne interferometry. Results for glass and PbMoO(4) deflectors show no discernible beam-quality degradation attributible to the acousto-optic interaction to within 0.01 wave rms at 647.1 nm.