Optical device for controlling light from an external light source

Optical device for controlling light from an external light source comprising:

• at least a first and a second waveguide for guiding a light beam emitted from the external light source, and
• at least a first beam shaping structure with a first light emitting area for emitting a light beam and a second beam shaping structure with a second light emitting area for emitting a light beam, wherein the first waveguide guides the light beam emitted from the external light source to the first beam shaping structure and the second waveguide guides the light beam emitted from the external light source to the second beam shaping structure,
• wherein
• the first and the second beam shaping structure are each configured such that the uniformity of the radiant density profile of a light beam emitted from the respective light emitting area of the respective beam shaping structure is higher than that of the light beam guided to the respective beam shaping structure by the respective waveguide,
• wherein the first and the second beam shaping structure each comprise an optical shaping element and the first and the second waveguides direct the light beam emitted from the external light source at the respective optical shaping element of the first and the second beam shaping structure, and the optical shaping elements are configured for manipulating the wavefront of the light beam directed at the respective optical shaping element, and
• wherein the optical device comprises an interface, wherein the first and the second light emitting area are provided by the interface and are each delimited by total internal reflection occurring outside the respective light emitting area for the light beam directed towards the interface after interfering with the respective optical shaping element.

Optical device for controlling light from an external light source comprising:

• at least a first and a second waveguide for guiding a light beam emitted from the external light source, and
• at least a first beam shaping structure with a first light emitting area for emitting a light beam and a second beam shaping structure with a second light emitting area for emitting a light beam, wherein the first waveguide guides the light beam emitted from the external light source to the first beam shaping structure and the second waveguide guides the light beam emitted from the external light source to the second beam shaping structure,
• wherein
• the first and the second beam shaping structure are each configured such that the uniformity of the radiant density profile of a light beam emitted from the respective light emitting area of the respective beam shaping structure is higher than that of the light beam guided to the respective beam shaping structure by the respective waveguide,
• wherein the optical device comprises a light emitting surface, wherein the first and the second light emitting area are provided by the light emitting surface and wherein a honeycomb structure of an absorptive material is provided on top of the light emitting surface, wherein a first cell of the honeycomb structure encompasses the first light emitting area and a second cell of the honeycomb structure encompasses the second light emitting area.

Optical device for controlling light from an external light source comprising:

• at least a first and a second waveguide for guiding a light beam emitted from the external light source, and
• at least a first beam shaping structure with a first light emitting area for emitting a light beam and a second beam shaping structure with a second light emitting area for emitting a light beam, wherein the first waveguide guides the light beam emitted from the external light source to the first beam shaping structure and the second waveguide guides the light beam emitted from the external light source to the second beam shaping structure,
• wherein
• the first and the second beam shaping structure are each configured such that the uniformity of the radiant density profile of a light beam emitted from the respective light emitting area of the respective beam shaping structure is higher than that of the light beam guided to the respective beam shaping structure by the respective waveguide,
• further comprising a transparent substrate, wherein the first and the second waveguide are formed within the transparent substrate, and
• wherein at least a first and a second interferometer waveguide formed within the transparent substrate,
• a first interferometer coupler for coupling a light beam from the first interferometer waveguide to the second interferometer waveguide,
• a second optical interferometer coupler for coupling a light beam from the first interferometer waveguide to the second interferometer waveguide, and
• a photodetector connected to the first interferometer waveguide.