A system for controlling a burst event of an explosive charge carried by a ballistic ordnance, the system comprising: a controller; a laser electrically coupled to the controller, the laser generating, in response to receiving from the controller a timing signal at an emission time, a pulse of coherent light; a two-dimensional array of light emitters, each optically coupled to receive a portion of the generated pulse of coherent light from the laser via an optical wave guide, and to emit the received portion of coherent light; a plurality of phase modulators electrically coupled to the controller, the plurality of phase modulators configured to coordinate, in response to receiving from the controller a signal indicative of an emission angle, relative phases of the emitted portions of optical light so as to form a beam of light directed at the emission angle; and an optical detector electrically coupled to the controller, the optical detector configured to detect the directed beam of light reflected by a ground surface at a detection time, wherein the controller is further configured to: coordinate the laser and the phase modulators to form a plurality of beams to be emitted over a corresponding plurality of emission angles; calculate, based on a difference between the detection time and the emission time, a distance between the system and the ground surface; generate, based on a functional relation between the calculated distances and the emission angles corresponding to the plurality of beams, a topographical map of the ground surface; and generate a burst control signal configured to initiate the burst event of the explosive charge carried by the ballistic ordnance; the generated burst control signal being indicative of a burst direction relative to an optical axis, the burst direction based on the topographical map of the ground surface. a controller; a laser electrically coupled to the controller, the laser generating, in response to receiving from the controller a timing signal at an emission time, a pulse of coherent light; a two-dimensional array of light emitters, each optically coupled to receive a portion of the generated pulse of coherent light from the laser via an optical wave guide, and to emit the received portion of coherent light; a plurality of phase modulators electrically coupled to the controller, the plurality of phase modulators configured to coordinate, in response to receiving from the controller a signal indicative of an emission angle, relative phases of the emitted portions of optical light so as to form a beam of light directed at the emission angle; and an optical detector electrically coupled to the controller, the optical detector configured to detect the directed beam of light reflected by a ground surface at a detection time, wherein the controller is further configured to: coordinate the laser and the phase modulators to form a plurality of beams to be emitted over a corresponding plurality of emission angles; calculate, based on a difference between the detection time and the emission time, a distance between the system and the ground surface; generate, based on a functional relation between the calculated distances and the emission angles corresponding to the plurality of beams, a topographical map of the ground surface; and generate a burst control signal configured to initiate the burst event of the explosive charge carried by the ballistic ordnance; the generated burst control signal being indicative of a burst direction relative to an optical axis, the burst direction based on the topographical map of the ground surface. coordinate the laser and the phase modulators to form a plurality of beams to be emitted over a corresponding plurality of emission angles; calculate, based on a difference between the detection time and the emission time, a distance between the system and the ground surface; generate, based on a functional relation between the calculated distances and the emission angles corresponding to the plurality of beams, a topographical map of the ground surface; and generate a burst control signal configured to initiate the burst event of the explosive charge carried by the ballistic ordnance; the generated burst control signal being indicative of a burst direction relative to an optical axis, the burst direction based on the topographical map of the ground surface.