The AOMO 3200-121 from G&H is a Acousto-Optic Modulator with Modulation Bandwidth 15 to 52 MHz@0.06mm/ 8 to 40 MHz@0.08 mm/ 4 to 31 MHz@0.1 mm/ 2 to 26.5 MHz@0.12 mm, Rise Time 14 to 23 ns, Optical Wavelength 515 to 633 nm, RF Power 0.7 to 1.0 W, Center Frequency 200 MHz. More details for AOMO 3200-121 can be seen below.