Abstract: The invention relates to a device for generating laser radiation (3) having a linear intensity distribution (11), comprising a plurality of laser light sources for generating laser radiation (3) and optical means for transforming laser radiation (3) exiting from the laser light sources into laser radiation (14) that has a linear intensity distribution (11) in a working plane (9), wherein the laser light sources are constructed as fundamental mode lasers and the device is designed such that each of the laser beams (3) exiting from the laser light sources does not overlap with itself.

Abstract: A device (1) for applying light (4) to an inner surface (2) of a cylinder (3), comprising a homogenizer (14), into which light (4) can enter and from which the light (4) can exit, wherein the homogenizer (14) has a cylindrical internal surface (15), on which the light (4) can be reflected after entering and before exiting, and also comprising ways for introducing light (4) into the homogenizing means (14), and focusing arrangements, which can focus light (4) exiting from the homogenizer (14) onto the inner surface (2) of the cylinder (3) to which light (4) is to be applied.

Abstract: The invention relates to a device (20) for producing an electron beam (4), which comprises a hot cathode (1), a cathode electrode (2), an anode electrode (3) having an opening (6) through which an electron beam (4) produced by the device can pass, wherein during the operation of the device (20) a voltage for accelerating the electrons exiting from the hot cathode (1) is applied between the cathode electrode (2) and the anode electrode (3), and further comprising deflection means that can deflect the electron beam (4) that has passed through the opening of the anode electrode (3), wherein the deflection means comprise at least one deflection electrode (8, 12), which can reflect the electron beam (4) and/or which comprises a deflection surface (9) that is inclined towards the propagation direction of the electron beam (4).

Abstract: A device for applying laser radiation to an at least partially reflective or transparent region or a workpiece disposed in a working area, with a laser light source for generating the laser radiation and optics for influencing the laser radiation, such that the radiation is transferred into the working area, wherein the optics comprise at least one mirror that can reflect a part of the laser radiation reflected in the working area or a part of the laser radiation having passed through the working area, such that said part of the laser radiation is at least partially fed hack into the working area.

Abstract: A laser configuration for machining a workpiece includes a plurality of laser light sources for introducing a laser radiation into a predeterminable working area. Some or all of the laser light sources are disposed on an arc of a circle.

Abstract: A device for beam shaping is particularly suited for producing a linear intensity distribution in a working plane. The device includes a laser light source, which can emit a multi-mode laser radiation. The beam quality factor of the radiation with regard to a first direction perpendicular to the propagation direction of the laser radiation is greater than 1 and also the beam quality factor with regard to a second direction perpendicular to the propagation direction is greater than 1. The device further includes a beam transformation assembly, which are arranged in the device in such a way that they can transform the laser radiation or partial beams of the laser radiation in such a way that the beam quality factor with regard to the first direction is increased and that the beam quality factor with regard to the second direction is reduced.

Abstract: A device for homogenizing light contains at least one optically functional surface through which light to be homogenized can pass and a plurality of concave and convex cylindrical lenses which are disposed in an alternating fashion one next to the other on the at least one optically functional surface. The device further has at least one first embodiment and at least one second embodiment, different from the at least one first embodiment, of transitions between the concave and the convex cylindrical lenses. Wherein the transitions between the concave and the convex cylindrical lenses are configured such that partial beams of the light to be homogenized, which have passed through different embodiments of the transitions between the concave and the convex cylindrical lenses, have an optical path difference with respect to one another, which contributes to the reduction of interference effects in the homogenized light.

Abstract: A method and device for influencing light, include a first array of lens systems through which the light to be influenced can at least partially pass. A first phase-modifying array modulates the phases of the light which has passed through the individual lens systems of the first array. A second array of lens systems is provided through which the light phase-modified by the phase modifiers can at least partially pass. The second array of lens systems causes a plurality of local intensity maxima of the light to be created in the propagation direction of the light in the region of the second array of lens systems. A first lens system is disposed between the first array of lens systems and the second array of lens systems and a second lens system is disposed between the first lens system and the second array of lens systems. The first phase-modifying array is disposed between the first and second lens systems.

Abstract: A device for homogenizing light contains at least one optically functional surface through which light to be homogenized can pass and a plurality of concave and convex cylindrical lenses which are disposed in an alternating fashion one next to the other on the at least one optically functional surface. The device further has at least one first embodiment and at least one second embodiment, different from the at least one first embodiment, of transitions between the concave and the convex cylindrical lenses. Wherein the transitions between the concave and the convex cylindrical lenses are configured such that partial beams of the light to be homogenized, which have passed through different embodiments of the transitions between the concave and the convex cylindrical lenses, have an optical path difference with respect to one another, which contributes to the reduction of interference effects in the homogenized light.

Abstract: A method produces an apparatus for homogenizing light. The apparatus has at least one substrate with at least one optically functional area with a multiplicity of lens elements. In a first method step the lens elements are formed in the at least one optically functional area of the at least one substrate. In a second method step the at least one substrate is divided into at least two parts. In a third method step following thereupon, at least two of the at least two parts of the at least one substrate are reassembled, given another alignment of at least one of the parts.

Abstract: A device for beam shaping is particularly suited for producing a linear intensity distribution in a working plane. The device includes a laser light source, which can emit a multi-mode laser radiation. The beam quality factor of the radiation with regard to a first direction perpendicular to the propagation direction of the laser radiation is greater than 1 and also the beam quality factor with regard to a second direction perpendicular to the propagation direction is greater than 1. The device further includes a beam transformation assembly, which are arranged in the device in such a way that they can transform the laser radiation or partial beams of the laser radiation in such a way that the beam quality factor with regard to the first direction is increased and that the beam quality factor with regard to the second direction is reduced.

Abstract: A laser configuration for machining a workpiece includes a plurality of laser light sources for introducing a laser radiation into a predeterminable working area. Some or all of the laser light sources are disposed on an arc of a circle.

Abstract: Modulation device for laser radiation, having at least one modulation means which can change at least in part the laser radiation which passes through the modulation device, the modulation device having splitter means which can split the laser radiation into at least two component beams of radiation, the device furthermore in the direction of beam propagation downstream of the beam splitter means having beam combining means which can recombine at least two of the component beams of radiation, and at least one modulation means being located between the beam splitter means and beam combining means such that at least one of the component beams can be changed by at least one modulation means such that the laser radiation which has been combined by the beam combining means or in the area of the beam combining means at least in a given area of space has the desired modulation as a result of the interference of at least two component beams.

Abstract: A method produces an apparatus for homogenizing light. The apparatus has at least one substrate with at least one optically functional area with a multiplicity of lens elements. In a first method step the lens elements are formed in the at least one optically functional area of the at least one substrate. In a second method step the at least one substrate is divided into at least two parts. In a third method step following thereupon, at least two of the at least two parts of the at least one substrate are reassembled, given another alignment of at least one of the parts.

Abstract: A method and device for influencing light, include a first array of lens systems through which the light to be influenced can at least partially pass. A first phase-modifying array modulates the phases of the light which has passed through the individual lens systems of the first array. A second array of lens systems is provided through which the light phase-modified by the phase modifiers can at least partially pass. The second array of lens systems causes a plurality of local intensity maxima of the light to be created in the propagation direction of the light in the region of the second array of lens systems. A first lens system is disposed between the first array of lens systems and the second array of lens systems and a second lens system is disposed between the first lens system and the second array of lens systems. The first phase-modifying array is disposed between the first and second lens systems.

Abstract: A device for homogenizing optical beams contains at least one optically functional boundary surface through which a beam to be homogenized can pass or at which a beam to be homogenized can be reflected. A plurality of lens elements or mirror elements are disposed on the at least one optically functional boundary surface. The lens elements or the mirror elements each have such a curvature in their edge regions that diffraction-related effects are reduced as a result.

Abstract: The invention relates to methods for producing an optical beam forming device including a plurality of lens means on at least one optically functional boundary surface, said lens means being disposed in an offset manner relative to each other in at least one direction. Said beam-forming device is composed of at least two optically functional components each of which is provided with at least one first cylindrical lens means on a first optically functional boundary surface while being provided with at least one second cylindrical lens means on a second optically functional boundary surface that lies essentially across from the first optically functional boundary surface. The cylinder axis means extends substantially perpendicular to the cylinder axis of the first cylindrical lens means located on the first boundary surface.

Abstract: The invention relates to an assembly for correcting laser illumination emitted from a laser light source, comprising a laser light source, which has linear emission sources that are arranged in a row in a first direction (X), whereby in addition, the emission sources that are arranged essentially in a row are at least partially offset relative to the row in a perpendicular direction (Y) in relation to the first direction (X). The assembly also comprises corrective elements, which can correct the laser illumination emitted from the laser light source in such a way that the spatial distortion of the laser illumination, caused by the offset position of the emission sources relative to the row, is compensated. According to the invention, the corrective elements are configured as a plate array that comprises a number of plate elements consisting of substantially plane-parallel plates that are transparent to the laser illumination used.

Abstract: The invention relates to a device for recording three-dimensional items of image information of an object, including sensing means for sensing light coming from the object and lens means having a number of cylindrical lenses that form lens elements via which light coming from the object can be projected onto the sensing means. At least one first lens element enables the generation of an image of the object or of portions of the object, which are to be recorded, at a first location on the sensing means. This image differs from an image of the object or of the portions of the object, which are to be recorded, that can be generated by at least one second lens element at a second location that is different from the first. The curvature of the cylindrical lenses is greater or less in the edge areas of the lens means than in a middle area of the lens means. Corresponding lens means can also be used for reproducing the three-dimensional items of image information.

Abstract: Detection apparatus for the optical detection of an object including detection means, which can detect the light emerging from the object, and also at least one imaging unit comprising first lens means having a plurality of lens elements arranged in the form of an array, through which light emerging from the object can pass; and second lens means, which are arranged between the first lens means and the detection means and can feed the light that has passed through the lens elements to the detection means, the second lens means having a plurality of lens elements arranged in the form of an array. Furthermore, the present invention relates to a method for operating a detection apparatus of this type and to a scanning apparatus and to a confocal microscope having a detection apparatus of this type.