The FS1003-TL100-030-633 from ModuOptik is a Acousto-Optic Frequency Shifter with Optical Wavelength 633 nm, Diffraction Efficiency >85%, RF Power 2 W, Beam Separation Angle 15.1 mrad, Center Frequency 100 MHz. More details for FS1003-TL100-030-633 can be seen below.