Adjustment of light detection and ranging (lidar) system field of view during operation

A method of changing vertical projection and detection angles of a frequency-modulated continuous wave (FMCW) light detection and ranging (LIDAR) system, the method comprising:

• transmitting an optical beam toward a target;
• forming a field of view (FOV) using the optical beam via a first rotating reflector and a second rotating reflector;
• adjusting the FOV in a first direction by actuating the first rotating reflector along a vertical direction using a first actuator based on an orientation of the FMCW LIDAR system;
• providing the FOV via the second rotating reflector in a second direction perpendicular to the first direction;
• and
• receiving, by an optical receiver, a returned portion of the optical beam.

A light detection and ranging (LIDAR) system, comprising:

• a laser diode for transmitting an optical beam toward a target via one or more optics comprising a first rotating reflector and a second rotating reflector to form a field of view (FOV), wherein the first rotating reflector is adjustable along a vertical direction to adjust the FOV in a first direction, and wherein the second rotating reflector provides for the FOV in a second direction perpendicular to the first direction;
• an actuator operatively coupled to the first rotating reflector or the second rotating reflector to dynamically adjust the first rotating reflector along the vertical direction for adjusting the FOV in the first direction based on an orientation of the LIDAR system;
• and
• an optical receiver adapted to receive at least a returned portion of the optical beam transmitted toward the target.