To provide a galvanoscanner enabling execution of weaving welding whereby favorable weld quality is easily obtained. A galvanoscanner (50) includes: two galvano mirror (51, 52) that is configured to be rotatable about a rotation axis (X1, X2), and reflects a laser beam (L); a galvano motor (54, 54) that rotationally drives the galvano mirror (51, 52); an optical component (2) that is arranged so that the laser beam (L) incident on the galvano mirror (51, 52) is incident in a thickness direction (T), is configured to be rotatable about a rotating shaft (20), and has a refractive index that differs from a surrounding; and a rotary motor (4) that rotationally drives the optical component (2), in which the optical component (2) is arranged so that, in a cross section (C) in a thickness (T) direction, an incident side (21) and an emission side (22) are parallel to each other, and the incident side (21) is sloped relative to an optical axis (L1) of the laser beam (L) that is incident, and thickness (T) thereof continuously varies along a rotation direction.

A laser printing system includes a laser configured to produce a beam of light modulated according to image data input to the laser printing system, a photoreceptor drum including a photoconductive layer disposed along an outer peripheral surface of the photoreceptor drum, and a non-mechanical beam steerer configured for receiving the modulated light beam from the laser and steering the light beam in a scanning motion back and forth across the photoconductive layer of the photoreceptor drum. The laser printing system also includes a printer controller configured to structure the image data input to the laser printing system, and control an amount of electrical current flowing through portions of the non-mechanical beam steerer to change an effective index of refraction of the non-mechanical beam steerer and steer the modulated light beam in the scanning motion.

An apparatus for spectrally encoded endoscopy (SEE) comprising an illumination element, a detection light guiding element, a rotary element, and a two-dimensional sensor. The illumination element is configured to direct an illumination light beam towards a sample. The detection light guiding element is configured to collect a reflected light beam from the sample. At least one of the illumination element and the detection light guiding element is configured to spectrally dispersed the illumination light beam or the reflected light beam, respectively. The rotary element is configured to rotate or oscillate the reflected light beam. The reflected light beam is guided from the rotary element to the two-dimensional sensor.

A hybrid LIDAR system 100 includes a flash-based LIDAR detector array. A broad laser emitter is operatively connected to the LIDAR detector array for flash-based LIDAR sensing. A first beam steering mechanism is operatively connected with the broad laser emitter for scanning a scene with a broad beam from the broad laser emitter. A second beam steering mechanism is operatively connected with the LIDAR detector array for directing returns of the broad beam from the scene to the LIDAR detector array.

The present disclosure provides an optical system that includes a prism having an incident surface, an exit surface, and one or more reflecting surfaces. The optical system includes a first scanning element configured to scan a light that enters and has a plurality of wavelengths in a first direction, and reflect the light in a direction of the incident surface of the prism. The optical system includes a second scanning element configured to scan in a second direction the light that exits from the exit surface of the prism, the second direction being orthogonal to the first direction. The incident surface of the prism has a concave shape with respect to the first scanning element.

The present invention provides a direct exposure machine without mask, comprising a stage device and an exposure device. The stage device supports an exposed substrate, a surface of which coats with a sensitive layer. The exposure device shifts relatively to the stage device and includes a first exposure module. The first exposure module includes a light source, a penetrating scanner and multi-focus lenses. The light source outputs multiple beams arranged parallel to each other. The penetrating scanner includes a multifaceted prism driven to rotate, which has multiple facets. Each beam goes into one facet and out from the other to the sensitive layer of the exposed substrate. The multi-focus lenses are disposed between the light source and the multifaceted prism for focusing the beams to the substrate to be exposed.

A sensor system can comprise a light source generating a light pulse that is collimated, and a plurality of optical elements. Each of the plurality of optical elements is configured to rotate independently about an axis that is substantially common, and the plurality of optical elements operate to collectively direct the light pulse to one or more objects in an angle of view of the sensor system. Furthermore, the sensor system can comprise a detector configured to receive, via the plurality of optical elements, at least a portion of photon energy of the light pulse that is reflected back from the one or more objects in the angle of view of the sensor system, and convert the received photon energy into at least one electrical signal.

The present invention discloses a detection device for discriminating between different materials, and a method for doing so. The device comprises an optical system having at least one optical focussing element and a receiving element. The receiving element is sensitive to electromagnetic radiation, typically in the millimetre wave band, and the optical system being arranged to focus incident energy from a scene onto the receiving element. The optical system comprises a prism element having a first surface and a second surface, the first surface being opposite the second surface. At least a portion of the first surface is positioned at an angle to the second surface. The angle varies between a minimum at a first position on the first surface and a maximum at a second position on the first surface.

A ladar system can estimate intra-frame motion for an object within a field of view of the ladar system using a tight cluster of ladar pulses. For example, ladar pulses in a cluster can be spaced apart but overlapping with at least one of the other ladar pulses in that cluster at a specified distance in the field of view. A ladar receiver can then process the reflections from the cluster to computer intra-frame motion data, such as intra-frame velocity and intra-frame acceleration for an object.

Systems and methods are disclosed for vehicle motion planning where a sensor, such as a ladar system, is used to detect threatening or anomalous conditions within the sensor's field of view so that priority warning data about such conditions can be inserted at low latency into the motion planning loop of a motion planning computer system for the vehicle. The ladar system can perform compressive sensing to target the field of view with a plurality of ladar pulses.