A LIDAR system that scans a beam in a full 360° FOV without any moving parts. The system includes a transmitter sub-system having a tunable laser beam source, an SPPR responsive to the laser beam, and a conical mirror receiving the output beam and directing the output beam into a desired FOV. The system also includes a receiver sub-system responsive to a reflected beam that is reflected off of an object that receives the output beam from the mirror, where the receiver sub-system includes a plurality of detector modules each including a receiver detector and arranged so that at least one detector module receives the reflected beam from any direction. The system further includes a signal processor sub-system that tunes the frequency of the laser beam generated by the laser source to change the angle orientation of the output beam and scan the output beam in the 360° FOV.