The FS1118-P80L-2 from ISOMET is a Acousto-Optic Frequency Shifter with Optical Wavelength 532 nm, 633 nm, 780 nm, 830 nm, Acoustic Velocity 3.63 mm/µs, Diffraction Efficiency >75 to 85%, RF Power 0.6 to 1 W, Beam Separation Angle 11.7 to 18.3 mrad. More details for FS1118-P80L-2 can be seen below.