The MT110-IR25-3Fio-xx from AA Opto Electronic is a Acousto-Optic Modulator with Modulation Bandwidth 19 MHz, Rise Time 25 ns, Optical Wavelength 980 to 1100 nm, RF Power 2 W, Optical Power 0.5 / 5 W. More details for MT110-IR25-3Fio-xx can be seen below.