Abstract: The present invention provides a dot projector comprising a movable base, a light source emitter disposed above the movable base, a collimator, located in a front side of the light source emitter, a diffractive optical element (DOE) located in the front side of the light source emitter, and an actuator is connected to the movable base, the tilt angle of the movable base can be changed by providing a signal to the actuator.

Abstract: The present invention provides an integrated structure of a flood illuminator and a dot projector, the structure includes a light source emitter, a collimator disposed at a front side of the light source emitter, an integrated lens located at the front side of the light source emitter, the integrated lens includes a diffractive optical element (DOE) and a diffuser, and a switching device connected to the integrated lens, to control the DOE or the diffuser of the integrated lens aligned with the position of the light source emitter.