The AOMO 3110-121 from G&H is a Acousto-Optic Modulator with Modulation Bandwidth 20 to 28 MHz@0.01 mm/ 9 to 24 MHz@0.15 mm/ 5 to 15.8 MHz@0.2 mm, Rise Time 18 to 33 ns, Optical Wavelength 488 nm, RF Power 0.4 W, Center Frequency 110 MHz. More details for AOMO 3110-121 can be seen below.