Abstract: A condenser unit for providing directed lighting of an object to be measured positioned in a measured object position, wherein the condenser unit comprises a light source for emitting a light beam and an optical element having a positive refractive power. The condenser unit further comprises at least one attenuation element arranged in a common optical axis with the light source and the optical element, which attenuation element comprises a location-dependent light intensity attenuation effect for the light beam incident on the attenuation element, more particularly wherein the light intensity attenuation effect declines from the optical axis towards an edge of the attenuation element.

Abstract: A semiconductor device comprising a substrate and an aluminium gallium arsenide-based semiconductor component, the substrate being monocrystalline, and the substrate having a gallium indium arsenide mixed crystal with the empirical formula GA(1-x)In(x)As, the indium content x being between 0.1 percent and 4 percent.

Abstract: A hybrid fixed focal length lens that includes five lens elements and a diaphragm for a LIDAR measurement system. Some of the lens elements have surfaces that are aspherical.

Abstract: A transmitting device, containing an emitting device (1) and a scanning mirror (2), which is deflectable about its center (MP) and is arranged in a housing (3) with a transparent cover element (4). The cover element (4) is formed, at least in a coupling-out region (4.2), by a section of a monocentric hemispherical shell (HK) with a center of curvature (K) and is arranged to cover the scanning mirror (2) in such a way that the center of curvature (K) of the hemispherical shell (HK) and the center (MP) of the scanning mirror (2) coincide.

Abstract: The invention relates to a method for producing an optical apparatus (200). The method comprises a step of providing a substrate (210) on whose first main surface (212) a plurality of emission devices (220) for emitting electromagnetic radiation (250, 255) are arranged. The substrate (210) is designed as a light-emitting diode wafer and/or formed from sapphire or gallium nitride and is transparent at least for one emission wavelength of the radiation (250, 255) emitted by the emission devices (220), The method also comprises a step of applying an absorption material (230) on the side of the first main surface (212) of the substrate (210). The absorption material (230) has a photostructurable resist that absorbs at least the emission wavelength. The method further comprises a step of processing the absorbing material (230) in order to lay bare at least one emission surface (227) of each emission device (220).

Abstract: The invention relates to a method for thermally stable joining of a glass element to a support element, wherein the glass element has a first coefficient of expansion and the support element has a second coefficient of expansion differing from the first coefficient of expansion. The method thus comprises a step of attaching an intermediate glass material to the support element, wherein the intermediate glass material has a third coefficient of expansion which substantially corresponds to the second coefficient of expansion. In addition, the method comprises a step of local heating of the intermediate glass material in order to join the glass element to the support element via the intermediate glass material.

Abstract: The invention relates to a method for producing an optical component consisting of at least two individual parts, which together enclose an open cavity, wherein the timer sides delimiting the cavity are coated or structured, and from which previously material has been removed in zones in the region of the free aperture, wherein said region is recoated and the individual parts are connected to one another by wringing. The wringing height is greater than the removal height plus the height of the coating. The invention also relates to optical components which are produced according to this method.

Abstract: The invention relates to a hybrid objective having a fixed focal length, which has five lenses. The objective is suitable for use in a LIDAR measurement system. Moreover, the use of a bi-aspherical plastic lens for correcting the curvature of the image field and/or astigmatism and/or distortion of an imaging objective is proposed.

Abstract: The invention relates to a method for theiiiially stable joining of a glass element to a support element, wherein the glass element has a first coefficient of expansion and the support element has a second coefficient of expansion differing from the first coefficient of expansion. The method thus comprises a step of attaching an intermediate glass material to the support element, wherein the intermediate glass material has a third coefficient of expansion which substantially corresponds to the second coefficient of expansion. In addition, the method comprises a step of local heating of the intermediate glass material in order to join the glass element to the support element via the intermediate glass material.

Abstract: The invention relates to an apparatus for simultaneously analysing luminescence of a plurality of samples. The apparatus comprises a fibre-optic plate.

Abstract: The invention relates to a method for producing a semiconductor assembly, in particular connecting a semiconductor chip to a heat sink. A first metal layer consisting of Pb, Cd, In or Sn is made so thin that it is bonded by means of an opposing second metal layer consisting of another metal, for example gold, in a layer consisting of intermetallic phases. This can prevent migration of the soft metals. The brittle intermetallic layer is prevented from fracturing by a continuous pressing force.

Abstract: The invention relates to a laser assembly (1) comprising a diode laser bar (2), a heat sink (4) and at least one cover (7). The laser bar is located between the heat sink and the cover. The heat sink and/or the cover is/are coated with nanowires (16) or nanotubes via which the contact between the laser bar and the heat sink and/or the cover is established.

Abstract: The invention relates to a hybrid objective with fixed focal length, which has a total of four lenses. Two lenses consist of glass and two lenses consist of plastic. The objective is suitable for use in a LID AR measurement system.

Abstract: A transmitting device, preferably containing at least two laser diodes and a scanning mirror, which is deflectable about its center (MP) and is arranged in a housing with a transparent cover element. The cover element is formed, at least in a coupling-out region, by a section of a monocentric hemispherical shell (HK) with a center of curvature (K) and is arranged to cover the scanning mirror in such a way that the center of curvature (K) of the hemispherical shell (HK) and the center (MP) of the scanning mirror coincide, and is formed in a coupling-in region by an optical block, comprising a toroidal entrance surface, in the special form of a cylindrical surface, at least one toroidal exit surface and at least two first mirror surfaces arranged between them, for deflecting and pre-collimating the laser beams.

Abstract: The invention relates to a contacting module (1) by means of which the individual electrical and optical inputs and outputs (AoC) of optoelectronic chips (2) are connected to the device-specific electrical and optical inputs and outputs of a test apparatus. It is characterized by a comparatively high adjustment insensitivity of the optical contacts between the chips (2) and the contacting module (1), which is achieved, for example, by technical measures which result in the optical inputs (EoK) of the chip (2) or on the contacting module (1) being irradiated in every possible adjustment position by the optical signal (So) to be coupled in.

Abstract: The invention relates to a method for determining a time of a flank in a signal, wherein the method comprises a step of reading the signal and has a master clock rate for operating a digital evaluation unit for evaluating the time of the flank. The method also comprises a step of forming a data word representing the signal, using a deserializer of a SERDES cell, wherein the data word has a plurality of bits, and wherein a sampling clock rate is applied to the SERDES cell for sampling the signal, which sampling clock rate is higher than the master clock rate, wherein one flank or two flanks of the sampling clock rate are used for sampling the signal. Finally, the method comprises a step of determining the time of the flank in the signal using the data word and the master clock rate in the evaluation unit.

Abstract: The invention relates to a device comprising a beam splitter and a method of using the device. The device comprises a beam emitting unit and a downstream beam splitter, which is formed by two adjacent planar plates of different materials. For a specified wavelength range of an optical beam from which a partial beam is to be coupled out by reflection, the material of the first planar plate has a minimum refractive index which is greater by a refractive index interval than the maximum ref ractive index of the material of the second planar plate. From the optical beam, which, collimated and linearly polarized parallel to a plane of incidence, impinges on the beam splitter at a certain angle of incidence, the partial beam having only a small summary percentage of the optical beam and a small spectral fluctuation range is coupled out.

Abstract: The invention relates to an athermalized device for generating laser radiation that is focused in a focal point, comprising a lens and a plastic housing and a passive adjustment system for adjusting the object distance S1. The passive adjustment device has an effective coefficient of thermal expansion (I) ? V = s 1 f · [ ? L - 1 n - 1 · ( ? n ? ? · d ? ? ? dT + ? n ? T ) ] + ? 2 · ( 1 - s 1 f ) .

Abstract: A monocentric reception arrangement comprising an optical system (1), in the spherical focal plane (BF) of which the imaged overall image of an object field is subdivided into partial images by field lenses (3.1) of a field lens array (3) arranged here and the partial beams in each case involved in a partial image are collimated by way of a downstream collimator lens (6.1) in each case onto in each case one receiver (5.1) of an optoelectronic receiver array (5). An aperture stop is arranged in a plane of each receiver surface of one of the receivers (5.1), the image of said aperture stop being the entrance pupil, in the center of which lies the common center of curvature (MP) of the spherical entrance surface (2) and the curvature of the field lens array (3). Each partial beam illuminates one of the receiver surfaces with the same beam diameter.

Abstract: The invention relates to a method for determining a time of a flank in a signal, wherein the method comprises a step of reading the signal and has a master clock rate for operating a digital evaluation unit for evaluating the time of the flank. The method also comprises a step of forming a data word representing the signal, using a deserializer of a SERDES cell, wherein the data word has a plurality of bits, and wherein a sampling clock rate is applied to the SERDES cell for sampling the signal, which sampling clock rate is higher than the master clock rate, wherein one flank or two flanks of the sampling clock rate are used for sampling the signal. Finally, the method comprises a step of determining the time of the flank in the signal using the data word and the master clock rate in the evaluation unit.