A light detection and ranging, LIDAR, system. The system comprises a set of long range channels and a set of short range channels Each channel comprises an illumination source. The illumination sources of the short range channels are each configured to illuminate a respective spatial region defined by a first solid angle from the respective illumination source. The illumination sources of the long range channels are each configured to illuminate a respective spatial region defined by a second solid angle from the respective illumination source. The first solid angle is larger than the second solid angle and an intensity of each illumination source of the long range channels is greater than an intensity of each illumination source of the short range channels. The set of short range channels are configured to detect objects within a first field of view, and the set of long range channels are configured to detect objects within a second field of view.

Disclosed are a lidar, and a detection method for the lidar. The lidar includes a plurality of laser transceiver module groups, each configured to be integrated with at least one laser transmitting end and at least one laser receiving end, and a scanning module. The plurality of laser transceiver module groups are arranged in a distributed manner relative to the scanning module, and an at least partially stitched field of view of the lidar is formed by sub-fields of view correspondingly formed by the plurality of laser transceiver module groups. Further disclosed are a lidar and a manufacturing method for the lidar. The lidar includes a laser transmitting end, a laser receiving end, a scanning module and an isolation mechanism. A scanning component of the scanning module is constructed as a rotatable plate-shaped double-faceted mirror or a rotatable prism.

A light module has a carrier with a circuit die. On the top side of the carrier, a light-emitting diode die, and a charge store component are electrically connected to the conduction path terminal fields of a transistor by means of die-to-die bondings. The electrical connection between the two dies and the conduction path of the transistor is as short as possible. A terminal field is situated in each case on the top side of the two dies, which terminal fields are connected to one another using a first bonding wire. The charge store component is charged by means of a charging circuit which is electrically connected to the charge store component via a second bonding wire. The second bonding wire is longer than the first bonding wire. The light module may be part of a LIDAR apparatus.

An optical transmitting apparatus is disclosed, in the apparatus, an array light source include M*N light sources, and an included angle between any column of light sources in the N columns of light sources and any row of light sources in the M rows of light sources is a preset angle. The array light source is located on a first side of a collimating lens, a plane on which the array light source is located is perpendicular to an optical axis of the collimating lens, and a distance between the plane on which the array light source is located and a center point of the collimating lens is a focal length of the collimating lens. An rotatable scanning mirror is located on a second side of the collimating lens, and a center point of a reflective surface of the scanning mirror is on the optical axis of the collimating lens.

A light detection and ranging (LIDAR) apparatus is provided that includes a laser source configured to emit a laser beam in a first direction. The apparatus also includes lensing optics configured to pass a first portion of the laser beam in the first direction toward a target, return a second portion of the laser beam into a return path as a local oscillator signal, and return a target signal into the return path. The apparatus also includes a quarter-wave plate configured to polarize the laser beam headed in the first direction and polarize the target signal returned through the lensing optics. The apparatus also includes a polarization beam splitter configured to pass non-polarized light through the beam splitter in the first direction and reflect polarized light in a second direction different than the first direction, wherein the polarization beam splitter is further configured to enable interference between the local oscillator signal and the target signal to generate a mixed signal. The apparatus also includes an optical detector configured to receive the mixed signal.

A LIDAR device, including a housing, and an emitter device that is situated rotatably about a rotation axis and that is designed in such a way that the measuring beams of the emitter device intersect in the area of an exit aperture of the LIDAR device.

In some implementations, an optical assembly includes a substrate that includes a thermally conductive core, an IC driver chip that is disposed on a first surface of the substrate, and a VCSEL device that includes an electrically insulated surface that is disposed on the thermally conductive core of the substrate within a cavity formed in the second surface of the substrate. The VCSEL device includes a cathode contact disposed on a surface of the VCSEL device and an anode contact disposed on the surface of the VCSEL device. The VCSEL device includes a plurality of emitters and a microlens component that is disposed over the plurality of emitters on the surface of the VCSEL device.

A lidar system for scanning a field of regard is described having first and second light beams and first and second detectors. The light beams pass through a lateral beam shifting device prior to being directed to a beam scanner. The lateral beam shifting device reduces the overall size of the emitted and returned light beams thus reducing the size of scanner components. Lateral beam shifting devices may be a single rhomboid prism, a pair of rhomboid prisms, a pair of mirrors, or a single mirror or prism.

A driver circuit may include an array of optical emitters arranged in one or more rows and one or more columns. The array of optical emitters includes an optical emitter associated with a row and a column. The driver circuit may include a capacitive element connected to the row, a voltage booster element connected to the capacitive element, where the voltage booster element includes an inductive element, and a first switch having an open state and a closed state. The first switch in the closed state is to cause charging of the inductive element, and in the open state is to cause discharging of the inductive element to charge the capacitive element. The driver circuit may include a second switch having an open state and a closed state. The second switch in the closed state is to cause discharging of the capacitive element through the row and the column.

A laser-scanner for a LIDAR system scanning in a scanning direction, having a laser-source to emit a plurality of individual light-beams into a plurality of angular-ranges which are situated next to one another transversely to the scanning-direction. A receiver-optics of the laser-scanner is configured to concentrate reflected portions of the emitted-light-beams on exposure-regions of a sensor-plane of the laser-scanner that are situated next to one another transversely to the scanning-direction. A plurality of sensor-pixels of the laser-scanner are situated next to one another in the sensor-plane transversely to the scanning-direction. The sensor pixels are situated at an offset vis-a-vis the exposure-regions transversely to the scanning-direction. A control-electronics of the laser-scanner is configured to actuate the laser-source so that a plurality of light-beams is emitted in a time-staggered manner such that no more than the reflected portion of one of the light-beams impinges upon a sensor-pixel at the same time.