A contactless connector includes: a circuit board; a light emitter arranged on the circuit board and capable of converting electrical signals into optical signals; a light emitter control chip arranged on the circuit board for controlling the operation of the light emitter; and a light-transmitting member at least partially covering the circuit board, the light emitter, and the light emitter control chip.

A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing may involves an ingester system for in-process collection and characterizations of powder samples. The collection may be performed periodically and uses the results of characterizations for adjustments in the powder bed fusion process. The ingester system of the present disclosure is capable of packaging powder samples collected in real-time into storage containers serving a multitude purposes of audit, process adjustments or actions.

A lamp for a vehicle includes a first lamp module including a first lens that forms a first light distribution pattern with light emitted from a first light source device, a second lamp module including a second lens that forms a second light distribution pattern with light emitted from a second light source device, and a third lamp module including a third lens that forms a third light distribution pattern with light emitted from a third light source device. The first lens and the second lens are formed such that a horizontal focus and a vertical focus are the same as each other, and the third lens is formed such that a horizontal focus and a vertical focus differ from each other.

A light emitting module for a vehicle includes: a light source configured to generate light during an operation thereof; a condensing lens located on the front side of the light source in a direction in which the light generated by the light source travels, and configured to change a travel direction of input light; and a multi-facet lens located on the front side of the condensing lens in the direction in which the light generated by the light source travels, and comprising a rear surface to which the light that passed through the condensing lens is input through a rear surface thereof and a plurality of sections, wherein protruding heights of front surfaces of the plurality of sections are different.

An automated luminaire includes an array of light sources and a beam shaper. The array of light sources produces a first light beam. The beam shaper receives the first light beam and produces a second light beam. The beam shaper includes an array of convex lenslets and an array of concave lenslets. The convex and concave lenslets have non-circular shapes when viewed along an optical axis of the first light beam. The convex lenslets nest into the concave lenslets. The convex and concave lenslets rotate about an axis of rotation that is parallel to the optical axis and is located in the first light beam.

An illumination device for illuminating a spatial light modulator device. Sub-holograms are used for encoding a hologram into the spatial light modulator device. The Illumination device includes at least one light source for emitting light for illuminating the spatial light modulator device and a beam shaping unit. The beam shaping unit provides a flat-top plateau-type distribution of an absolute value of a complex degree of mutual coherence of the light in a plane of the spatial light modulator device to be illuminated. The flat-top plateau-type distribution of the absolute value of the complex degree of mutual coherence has a shape that is at least similar to a shape of the largest sub-hologram used for encoding of object points into the spatial light modulator device.

An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. Improved chamber designs, multiple chambers, powder handling and re-use systems, and powder characterization methods are disclosed.

A light transmissive structure includes a light transmissive substrate having first and second opposing faces, and an array of microprism elements on the first face. Each microprism element includes a first inclined surface disposed at a first inclined angle relative to the second face, and a second inclined surface disposed at a second inclined angle relative to the second face. The first inclined angle is less than the second inclined angle, and a peak angle between the first inclined surface and second inclined surface is in the range of about 70 degrees to about 100 degrees. The second inclined surface has a convex curvature when viewed from angles perpendicular thereto. The light transmissive structure is configured to receive light from a light source facing the first face in a first direction and redistribute light emerging from the second face in a second direction different from the first direction.

There is provided a collimator lens capable of adjusting a reflection angle of fluorescence with high accuracy and emitting the fluorescence with high efficiency. Provided is a collimator lens including an aperture, a reflecting portion, and a condensing portion, in which the reflecting portion formed on an inner peripheral surface reflects, to the condensing portion, light emitted from the condensing portion, and the light collected at the condensing portion is emitted toward the aperture or the reflecting portion. Furthermore, there is provided a light source device including the collimator lens, an excitation optical system, and a phosphor.

A light emitting module for a vehicle includes: a light source configured to generate light during an operation thereof; a condensing lens located on the front side of the light source in a direction in which the light generated by the light source travels, and configured to change a travel direction of input light; and a multi-facet lens located on the front side of the condensing lens in the direction in which the light generated by the light source travels, and comprising a rear surface to which the light that passed through the condensing lens is input through a rear surface thereof and a plurality of sections, wherein protruding heights of front surfaces of the plurality of sections are different.