The Fiber Coupled Frequency shifter from CSRayzer are Acousto-Optic Frequency Shifters that operate at wavelengths of 1030 nm, 1064 nm, 1550 nm, and 2000 nm. They deliver an average optical power of 0.5 W - 5 W and have an ultrasonic velocity of 4200 m/s. These TeO2 acousto optic frequency shifters have a frequency of 20 MHz, 80 MHz, 100 MHz, 120 MHz, 150 MHz & 300 MHz and frequency shift of ± 40 MHz - ± 200 MHz. They have a polarization extinction ratio of 20 dB (minimum) & 50 dB and VSWR of 1.2:1 (40 MHz/80 MHz/100 MHz/ 120MHz) & 1.5:1 (150 MHz/200MHz).
The Fiber Coupled Frequency shifter have a rise/fall time of 25 ns (40 MHz/80 MHz/100 MHz/ 120MHz) and 10 ns (150 MHz/200MHz). They have an insertion loss of 1.5 dB (40 MHz/80 MHz/100 MHz/ 120MHz) & 2.7 dB (150 MHz/200MHz) and a minimum return loss of 40 dB. These AO frequency shifters have a radio frequency power of 2.5 W and an input impedance of 50 Ohms. They are available in a standard package that measures 60 (L) mm x 25 (W) mm x 12 (H) mm (1030 nm), 35 (L) mm x 28 (W) mm x 12 (H) mm (1064 nm), and 67 (L) mm x 23 (W) mm x 15 (H) mm (1550 nm).