Ultrasound in a liquid diffracts laser light into tunable multi-focus beamlets with sub-microsecond control, enabling high-throughput parallel laser writing on metals, polymers, and ceramics.
Considering visible light, and a typical driving frequency of 1 MHz (with a corresponding wavelength of the acoustic wave of about 8 1.5 mm), in our experiments Q≈ 0.03
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Dynamic multi-focus laser writing with acousto-optofluidics
Ultrasound in a liquid diffracts laser light into tunable multi-focus beamlets with sub-microsecond control, enabling high-throughput parallel laser writing on metals, polymers, and ceramics.