Abstract: A micromechanical light deflection device. The device includes a movable beam-deflecting element that is designed to deflect an input light beam into an output light beam, and a static beam-deflecting device having a plurality of differently oriented surfaces that are situated in the beam path of light for the movable beam-deflecting element in such a way that an input light beam for the movable beam-deflecting element and/or an output light beam from the movable beam-deflecting element passes through two of the differently oriented surfaces of the static beam-deflecting device.

Abstract: A detection device for detecting contamination of an optical element. The detection device includes a coupling device, including a first coupling element for coupling light of at least one wavelength from a light source into the optical element, and a second coupling element for coupling light out from the optical element, at least one of the coupling elements including a hologram, and having a detector for acquiring the coupled-out light.

Abstract: A sensor device for detecting an object with the aid of light of at least one wavelength, including a transmitting unit for emitting light using at least one light source and a receiving unit for receiving light, the light emitted by the transmitting unit in the plane perpendicular to the transmit path having the form of a circumferential surface, which includes an inner area to which light is not applied, an optical element being situated in a shared part of the transmit and receive paths, in such a way that the cross-section surface of the optical element in the plane perpendicular to the transmit path essentially completely overlaps with its cross-section surface the inner area to which light is not applied.

Abstract: A device for cleaning at least a partial region of a housing surface. The device includes a first structure having an outer surface and an inner surface, the outer surface being situated opposite to the inner surface, the inner surface being able to be disposed on the partial region of the housing surface, and a second structure having an outer surface and an inner surface, the outer surface of the second structure being situated opposite to the inner surface of the second structure, wherein the inner surface of the second structure is disposed on the outer surface of the first structure, the first structure being deformable along a first axis by a fluid which is able to be conducted between the first structure and the second structure and the second structure being movable along a second axis, the second axis being disposed perpendicular to the first axis.

Abstract: A LIDAR system includes a transmitting device for light; a receiving device for light, including a first and a second photon detector; and an evaluation device that is configured for determining a time period between the emission of light with the aid of the transmitting device and the incidence at the receiving device of the light reflected on an object. The transmitting device is configured for emitting a superimposition of horizontally and vertically polarized light; the first photon detector is configured for detecting only horizontally polarized light, and the second photon detector is configured for detecting only vertically polarized light; in addition, the evaluation device is configured for determining the time period, based on light that is incident on both photon detectors within a predetermined interval.

Abstract: An optical assembly for a LiDAR system is described. The optical assembly includes receiver optics and transmitter optics, designed to include partially coaxial beam paths; a line light source having a line orientation, which is configured, in particular within the range of a field of view of the underlying LiDAR system; and a deflection unit in a transition region from a common coaxial region to a separate biaxial region of the beam paths of the receiver optics and of the transmitter optics for biaxially splitting off a detector-side portion of the beam path of the receiver optics. The deflection unit has a hole mirror having an elongated hole that has a greater extent in a direction of longitudinal extent and a lesser extent in a direction of transverse extent. The direction of longitudinal extent of the elongated hole is oriented orthogonally to the line orientation of the line light source.

Abstract: A LIDAR system, including a transmitting unit that includes a polarization device, the polarization device being configured to set a polarization of a scanning beam, a receiving unit that is configured to receive the scanning beam after it has been reflected on a point in the surroundings of the LIDAR system, the receiving unit including a polarization recognition device that is configured to recognize a polarization of the reflected scanning beam, and an evaluation unit that is configured to ascertain a polarization difference, based on a difference between the polarization that is set by the transmitting unit and the polarization that is recognized by the receiving unit.

Abstract: A coaxial-macro-scanner-system, including a light-source, a light-detector, and a rotatable-mirror-system to optically isolate an optical-path between the light-source and light-detector, the rotatable-mirror-system emitting a transmitting-light-beam, generated by the light-source, with a first-mirror in a predefined-plane into an environment, and to receive a receiving-light-beam, representing components of the transmitting-light-beam reflected/dispersed by the environment, with a second-mirror in the same-plane and to reflect it onto the light-detector, both the first-mirror, the second-mirror and an axis of rotation about which the second-mirror is rotated being aligned at a right-angle to the predefined-plane, the first-mirror being aligned at a right-angle to the predefined-plane and being in a region of the rotation-axis of the second-mirror so that the first-mirror and the second-mirror rotate about the common-rotation-axis, and an angle under which the first-mirror and the second-mirror are disposed r

Abstract: A LIDAR device for scanning a scanning area with the aid of at least two consecutively generated beams, in terms of time, including at least one radiation source for generating and emitting the at least two beams in a pulse-pause pattern in the direction of the scanning area, and including at least one detector for receiving at least two beams scattered and/or reflected on an object, the at least two generated beams being differently polarizable by a polarization encoder, and the detector including a polarization analyzer, which compares the scattered and/or reflected beams to a defined polarization sequence, and, in the event of an agreement of the polarization sequence of the at least two scattered and/or reflected beams with the defined polarization sequence, transmits the at least two reflected beams.

Abstract: A detection device for detecting contamination of an optical element. The detection device includes a coupling device, including a first coupling element for coupling light of at least one wavelength from a light source into the optical element, and a second coupling element for coupling light out from the optical element, at least one of the coupling elements including a hologram, and having a detector for acquiring the coupled-out light.

Abstract: A micromechanical light deflection device. The device includes a movable beam-deflecting element that is designed to deflect an input light beam into an output light beam, and a static beam-deflecting device having a plurality of differently oriented surfaces that are situated in the beam path of light for the movable beam-deflecting element in such a way that an input light beam for the movable beam-deflecting element and/or an output light beam from the movable beam-deflecting element passes through two of the differently oriented surfaces of the static beam-deflecting device.

Abstract: A sensor device for detecting an object with the aid of light of at least one wavelength, including a transmitting unit for emitting light using at least one light source and a receiving unit for receiving light, the light emitted by the transmitting unit in the plane perpendicular to the transmit path having the form of a circumferential surface, which includes an inner area to which light is not applied, an optical element being situated in a shared part of the transmit and receive paths, in such a way that the cross-section surface of the optical element in the plane perpendicular to the transmit path essentially completely overlaps with its cross-section surface the inner area to which light is not applied.

Abstract: A device for cleaning at least a partial region of a housing surface. The device includes a first structure having an outer surface and an inner surface, the outer surface being situated opposite to the inner surface, the inner surface being able to be disposed on the partial region of the housing surface, and a second structure having an outer surface and an inner surface, the outer surface of the second structure being situated opposite to the inner surface of the second structure, wherein the inner surface of the second structure is disposed on the outer surface of the first structure, the first structure being deformable along a first axis by a fluid which is able to be conducted between the first structure and the second structure and the second structure being movable along a second axis, the second axis being disposed perpendicular to the first axis.

Abstract: An optical assembly for a LiDAR system is described. The optical assembly includes receiver optics and transmitter optics, designed to include partially coaxial beam paths; a line light source having a line orientation, which is configured, in particular within the range of a field of view of the underlying LiDAR system; and a deflection unit in a transition region from a common coaxial region to a separate biaxial region of the beam paths of the receiver optics and of the transmitter optics for biaxially splitting off a detector-side portion of the beam path of the receiver optics. The deflection unit has a hole mirror having an elongated hole that has a greater extent in a direction of longitudinal extent and a lesser extent in a direction of transverse extent. The direction of longitudinal extent of the elongated hole is oriented orthogonally to the line orientation of the line light source.

Abstract: A coaxial-macro-scanner-system, including a light-source, a light-detector, and a rotatable-mirror-system to optically isolate an optical-path between the light-source and light-detector, the rotatable-mirror-system emitting a transmitting-light-beam, generated by the light-source, with a first-mirror in a predefined-plane into an environment, and to receive a receiving-light-beam, representing components of the transmitting-light-beam reflected/dispersed by the environment, with a second-mirror in the same-plane and to reflect it onto the light-detector, both the first-mirror, the second-mirror and an axis of rotation about which the second-mirror is rotated being aligned at a right-angle to the predefined-plane, the first-mirror being aligned at a right-angle to the predefined-plane and being in a region of the rotation-axis of the second-mirror so that the first-mirror and the second-mirror rotate about the common-rotation-axis, and an angle under which the first-mirror and the second-mirror are disposed r

Abstract: A cover device having a substrate made of plastic, and heating wires disposed within the substrate in a section of the substrate that is facing toward the outside when the cover device is used for its intended purpose.

Abstract: A LIDAR system, including a transmitting unit that includes a polarization device, the polarization device being configured to set a polarization of a scanning beam, a receiving unit that is configured to receive the scanning beam after it has been reflected on a point in the surroundings of the LIDAR system, the receiving unit including a polarization recognition device that is configured to recognize a polarization of the reflected scanning beam, and an evaluation unit that is configured to ascertain a polarization difference, based on a difference between the polarization that is set by the transmitting unit and the polarization that is recognized by the receiving unit.

Abstract: A LIDAR system includes a transmitting device for light; a receiving device for light, including a first and a second photon detector; and an evaluation device that is configured for determining a time period between the emission of light with the aid of the transmitting device and the incidence at the receiving device of the light reflected on an object. The transmitting device is configured for emitting a superimposition of horizontally and vertically polarized light; the first photon detector is configured for detecting only horizontally polarized light, and the second photon detector is configured for detecting only vertically polarized light; in addition, the evaluation device is configured for determining the time period, based on light that is incident on both photon detectors within a predetermined interval.

Abstract: A receiving device for a lidar system includes: a limiting device for limiting an angle of entrance of a received optical beam; two reflector elements; and a detector element, where the received optical beam can impinge upon the limiting device and the first refracting element and the two reflector elements are formed and aligned with each other such that the received beam is foldable in relation to an axis of the received optical beam and guidable onto the detector element.