Have you come across AOM too - https://en.wikipedia.org/wiki/Acousto-optic_modulator https://en.wikipedia.org/wiki/Acousto-optic_modulator, they appear to be ab

Have you come across AOM too - https://en.wikipedia.org/wiki/Acousto-optic_modulator https://en.wikipedia.org/wiki/Acousto-optic_modulator, they appear to be able to control the angle of light also.