The M1212-aQ200-0.8 from ISOMET is a Acousto-Optic Modulator with Diffraction Efficiency 79 to 87%, Rise Time 12 to 90 ns, Optical Wavelength 230 to 355 nm, RF Power 1.6 to 3.7 W, Optical Power 2 W. More details for M1212-aQ200-0.8 can be seen below.