The acousto-optic modulator is a device that uses acousto-optic interaction to control laser intensity and change frequency. It works with wavelengths from visible light to infrared and can be set to frequencies between 80-300MHz, with the ability to customize for other frequencies. It is built to handle high-power optical inputs up to 5W and can be adjusted as needed for different applications. With a sturdy all-metal design and a compact, durable seal, as well as advanced packaging technology, this product ensures reliability and temperature stability.