The 1550AOM-2 from AeroDIODE is a Acousto-Optic Modulator with Operating Temperature -20 to 60 Degree C, Storage Temperature -30 to 70 Degree C, Rise Time 8 to 10 ns, Optical Wavelength 1470 to 1630 nm, RF Power 3 W. More details for 1550AOM-2 can be seen below.