acousto-optic effect= it is the change in the refractive index of medium caused by mechanical production of acoustic-wave

Robert A. Myers has written:

'Quasi-static design of electro-optic modulators by the method of lines' -- subject(s): Light modulators, Electrooptics, Strip transmission lines

Joel B. Fowler has written:

'A servo controlled electro-optic modulator for cw laser power stabilization and control' -- subject(s): Modulators (Electronics), Laser beams

Yes; in electronics, the former is used to regulate voltage levels while modulators combine frequencies for the purpose of data transmission.

P. K. Rajan has written:

'Design of coupled mace filters for optical pattern recognition using practical spatial light modulators' -- subject(s): Optical pattern recognition, Light modulators

'Design of composite filter realizable on practical spatial light modulators'