Example embodiments relate to beam homogenization for occlusion avoidance. One embodiment includes a light detection and ranging (LIDAR) device. The LIDAR device includes a transmitter and a receiver. The transmitter includes a light emitter. The light emitter emits light that diverges along a fast-axis and a slow-axis. The transmitter also includes a fast-axis collimation (FAC) lens optically coupled to the light emitter. The FAC lens is configured to receive light emitted by the light emitter and reduce a divergence of the received light along the fast-axis of the light emitter to provide reduced-divergence light. The transmitter further includes a transmit lens optically coupled to the FAC lens. The transmit lens is configured to receive the reduced-divergence light from the FAC lens and provide transmit light. The FAC lens is positioned relative to the light emitter such that the reduced-divergence light is expanded at the transmit lens.

A portable sensor system is provided for detecting objects in the environment of the portable sensor system and for being temporarily attached to a mobile object. The portable sensor system includes an environment detection sensor for detecting objects, an attaching device connected to the environment detection sensor for temporarily attaching the portable sensor system to an external surface of the mobile object, and a position determining apparatus for determining a sensor position of the environment detection sensor when the environment detection sensor is attached to the external surface. The position determining apparatus is configured to determine the sensor position relative to the mobile object on the basis of a predetermined geometrical model of the external surface and a region of the external surface detected by the environment detection sensor.

An optical apparatus includes a deflection unit configured to deflect illumination light from a light source and to deflect reflected light from the object, and a light guide unit configured to guide the illumination light to the deflection unit and to guide the reflected light from the deflection unit to a light receiving unit. The light guide unit includes first and second passage areas, and a reflective area. The illumination light is branched into first and second illumination lights by the light guide unit. The first illumination light is emitted from the first passage area and the second illumination light is emitted from the second passage area so that an emission direction of the first illumination light and that of the second illumination light are not parallel to each other, and then the first illumination light and the second illumination light enter the deflection unit.

Disclosed herein are microelectronics packages and methods for manufacturing the same. The microelectronics packages may include a photonic integrated circuit (PIC), an electrical integrated circuit (EIC), and an interconnect. The interconnect may connect the EIC to the PIC. The interconnect may include a plurality of paths between the EIC and the PIC and the individual paths of the plurality of paths are less than 100 micrometers long.

A metal-oxide semiconductor (MOS) structure to achieve a LIDAR beam steering, comprising: a n-number of waveguides, wherein the n-number of waveguides are connected to a laser transmitter and a receiver; a n-number phase shifters; wherein the MOS structure comprises a doping concentration of an N-drift region that is varied and a different drain-source current (IDS) to gate-source voltage (VGS) or drain-source voltage (VDS) characteristics are obtained, and wherein the IDS exists when the VGS is positive, and a magnitude of the IDS depends on a magnitude of the VGS and the VDS apart from the doping concentration of N− drift region, wherein the n-number of waveguides are connected to a laser transmitter and a receiver device, wherein the VGS is used as a control signal, wherein the VDS is set to a power supply voltage (VDD) based on at least one doping profile of the N-drift region of the MOS structure, wherein a plurality of different drain-to-source currents (IDS) are provided through the n-number of phase shifters, and wherein with a set of specified drain currents (IDS), a phase is shifted differently by the n-number of phase shifters and the beam is steered in a specified direction, and wherein only one control signal is used to achieve beam steering.

A stabilization device for stabilizing an attachment component relative to movements of a basic component which occur outside a permitted plane of movement. The attachment component and the basic component are connected via a stabilization arrangement that includes: a first compensation arrangement for compensating rotational movements of the basic component with respect to an intermediate component, about rotational axes lying in the plane of movement, including a first compensation device which can be actuated actively, a second compensation arrangement for compensating residual linear movements of the intermediate component in a compensation direction, perpendicular to the plane of movement, in relation to the attachment component, having a second compensation device which can be actuated actively, a plurality of inertial sensors assigned to the first and/or second compensation arrangement, and a control device for actuating the compensation devices for movement compensation as a function of sensor data of the inertial sensors.

Systems and methods in a vehicle involve transmitting light with an initial polarization from a lidar system, and controlling an external compensator, external to the lidar system, or an internal compensator within the lidar system to change the initial polarization of the light to a new polarization of the light. The method also includes receiving reflected light resulting from reflection of the light from one or more objects, and obtaining information about the one or more objects based on the reflected light.

An electronic distance meter comprises a coupler located between a laser source and a target and adapted to divert a portion of measurement light emitted by the laser source into a calibration portion connected to a photodetector and comprising an attenuator between said coupler and said photodetector for varying the luminance value of the light passing through the calibration portion, said calibration portion having a known length and said processor being configured to perform distance measurements through the calibration portion at a variety of luminance values achieved by said attenuator to derive calibration values from said distance measurements and said known length, said processor being further configured to use said calibration values for determining a target distance based on a return pulse signal.

A ladar system and related method are disclosed where the system includes a ladar transmitter and a ladar receiver. The ladar transmitter transmits ladar pulses into a field of view, and the ladar receiver receives ladar pulse returns from objects in the field of view. The ladar receiver comprises a cross-receiver, the cross-receiver comprising a first 1D array of photodetector cells and a second 1D array of photodetector cells that are oriented differently relative to each other.

A transmitter for communication-less bistatic ranging includes a photon emitter configured to emit a plurality of photons at particular times in a pointing direction, and a processor configured to identify a particular sub-code of a plurality of sub-codes based on a dynamic state of the transmitter, each one of the plurality of sub-codes including a portion of a long optimal ranging code, generate a plurality of encoded pulse timings by dithering pulse timings from a nominal repetition frequency based on the particular sub-code, and control the photon emitter to emit the plurality of photons at the plurality of encoded pulse timings.