The DVS integrated module of distributed fiber optic vibration sensing system integrates ultra-narrow linewidth light source, AOM acousto-optic modulator, pulsed EDFA, optical circulator, Raman amplifier, DVS coherent receiver module, etc., which only needs to be matched with a high-speed data acquisition card to make a set of DVS distributed vibration measurement system.
1550nm fiber-coupled acousto-optic modulator for fiber optic sensing applications such as distributed fiber optic vibration sensing systems.