INTEGRATED STRUCTURE OF FLOOD ILLUMINATOR AND DOT PROJECTOR
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.
1 . An integrated structure of a flood illuminator and a dot projector, comprising:
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 comprises 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.
2 . The integrated structure of the flood illuminator and a dot projector of claim 1 , wherein the diffractive optical element and the diffuser of the integrated lens are located in a same plane.
3 . The integrated structure of the flood illuminator and a dot projector of claim 1 , further comprising a control module connected to the switching device.
4 . The integrated structure of the flood illuminator and a dot projector of claim 1 , wherein the integrated structure of the flood illuminator and a dot projector includes a flood illuminator mode and a dot projector mode.
5 . The integrated structure of the flood illuminator and a dot projector of claim 4 , wherein the integrated structure of the flood illuminator and a dot projector is in the dot projector mode while the diffractive optical element is aligned with the light source emitter along an emitting direction of the light source emitter.
6 . The integrated structure of the flood illuminator and a dot projector of claim 4 , wherein the integrated structure of the flood illuminator and a dot projector is in the flood illuminator mode while the diffuser is aligned with the light source emitter along an emitting direction of the light source emitter.
7 . The integrated structure of the flood illuminator and a dot projector of claim 1 , wherein the collimator is disposed between the light source emitter and the integrated lens.
8 . The integrated structure of the flood illuminator and a dot projector of claim 1 , wherein the light source emitter emits a laser light along the front side.
9 . The integrated structure of the flood illuminator and a dot projector of claim 1 , wherein the switching device comprises an automatic return device.