DF produces a large array of fiber-optic components such as Single Mode Coupler, Coupler Matrix Box, Fiber-optic Collimator, WDM, CWDM, DWDM, OADM, Isolator, Free space Isolator, Core of Optical Isolator, Circulator, Mechanical Fiber-optic, Switch and Solid-State Fiber-optic, Switch Module, Polarization Maintaining products and connectors. ADF is also in development of optical EVOA, Power monitors, etc.