Abstract: An illumination system is provided that includes a laser light source and an optical waveguide connected to and/or associated with the laser light source at a proximal end thereof. The illumination system includes a diffuser element at the distal end of the optical waveguide with a longitudinal axis extending perpendicular to the coupling surface of the optical waveguide into the diffuser element. The diffuser element emits light over its active length laterally of the longitudinal axis and has at a base body with a scattering element. The scattering element is aligned along the longitudinal axis substantially parallel or at an angle thereto. An emission intensity homogenizer along the longitudinal axis is provided. The illumination system exhibits an intensity distribution of lateral emission deviating by at most ±50% from an average lateral emission intensity.

Abstract: A linear illumination device is provided in which a transparent light guide made of glass is recessed in a profile opposite to a dark surface. A linear illumination device is also provided having a glass fiber bundle in a dyed tube.

Abstract: An optical layered composite includes: a substrate having a front face, a back face, a thickness ds between the front face and the back face and a refractive index ns; and a coating applied to the front face. The coating comprises a group A of coating layers having a refractive index of 1.7 or more and a group B of coating layers having a refractive index of less than 1.7. The sum of the thicknesses of the layers of the group A is at most 55% of the total thickness dc of the coating.

Abstract: A lighting device having a side-emitting fiber bundle is provided. The fiber bundle is inserted in a sleeve that has an extension, which is effective as a light mixer.

Abstract: An illumination system is provided that includes a spatial fiber arrangement with an optical element at the distal end of the fiber arrangement. The fiber arrangement has a first region including individual fibers with a significantly smaller active diameter in comparison with the individual fibers of a remaining region. The optical element at the distal end is assigned the remaining region. The fiber arrangement can be a rigid fiber rod that includes an intermediate region provided between the first region and the remaining region. The intermediate region suppresses stray light transfers between the first and remaining regions. The fiber arrangement can include an optical coupling element at a proximal end of the fiber rod.

Abstract: A method and device for aligning a light spot of light exiting from at least one light guide on an optical converter are provided. The device includes a light guide from which light exits and is incident on an optical converter to at least a substantial fraction, thereby forming a light spot thereon, wherein the exit surface of the fiber has an angle relative to the longitudinal axis of the fiber which is different from 0°, and the position of the light spot on the converter is aligned by adjusting the angle. A conversion module as a part of a lighting device is also provided that is operated with excitation light of a light source using a fiber-optical light guide.

Abstract: An illumination system is provided that includes a spatial fiber arrangement with an optical element at the distal end of the fiber arrangement. The fiber arrangement has a first region including individual fibers with a significantly smaller active diameter in comparison with the individual fibers of a remaining region. The optical element at the distal end is assigned the remaining region. The fiber arrangement can be a rigid fiber rod that includes an intermediate region provided between the first region and the remaining region. The intermediate region suppresses stray light transfers between the first and remaining regions. The fiber arrangement can include an optical coupling element at a proximal end of the fiber rod.

Abstract: A fiber-optic conversion module is provided as part of a lighting device on a vehicle. The module includes optical fibers with connectors, a light exit head, and a converter mounted on a cooling element. Shorter wavelength excitation light is fed to the optical fibers that emit the excitation light towards the converter arranged at an angle relative to the beam direction, at a light spot that remits useful light in a radiation angle in form of a cone of useful light and reflects excitation light as a Fresnel reflection substantially outside the cone of useful light, where Fresnel reflection is made harmless by a light stop.

Abstract: A fiber-optic conversion module is provided as part of a lighting device on a vehicle. The module includes optical fibers with connectors, a light exit head, and a converter mounted on a cooling element. Shorter wavelength excitation light is fed to the optical fibers that emit the excitation light towards the converter arranged at an angle relative to the beam direction, at a light spot that remits useful light in a radiation angle in form of a cone of useful light and reflects excitation light as a Fresnel reflection substantially outside the cone of useful light, where Fresnel reflection is made harmless by a light stop.

Abstract: A fiber-optic conversion module is provided as part of a lighting device on a vehicle. The module includes optical fibers with connectors, a light exit head, and a converter mounted on a cooling element. Shorter wavelength excitation light is fed to the optical fibers that emit the excitation light towards the converter arranged at an angle relative to the beam direction, at a light spot that remits useful light in a radiation angle in form of a cone of useful light and reflects excitation light as a Fresnel reflection substantially outside the cone of useful light, where Fresnel reflection is made harmless by a light stop.

Abstract: A linear illumination device is provided in which a transparent light guide made of glass is recessed in a profile opposite to a dark surface. A linear illumination device is also provided having a glass fiber bundle in a dyed tube.

Abstract: A lighting device having a side-emitting fiber bundle is provided. The fiber bundle is inserted in a sleeve that has an extension, which is effective as a light mixer.

Abstract: Side emitting glass elements are provided that include a plurality of light guiding elements, which are inseparably connected to one another at their outer circumferential surfaces, and at least one scattering element. The scattering element is inseparably connected to the outer circumferential surface of at least one light guiding element. The light guiding elements have at least one glass with a refractive index n1, wherein the individual light guiding elements are not enclosed by a cladding. A phase boundary is present between the light guiding elements through which the guided light can pass and to reach the scattering element.

Abstract: A fiber-optic conversion module is provided as part of a lighting device on a vehicle. The module includes optical fibers with connectors, a light exit head, and a converter mounted on a cooling element. Shorter wavelength excitation light is fed to the optical fibers that emit the excitation light towards the converter arranged at an angle relative to the beam direction, at a light spot that remits useful light in a radiation angle in form of a cone of useful light and reflects excitation light as a Fresnel reflection substantially outside the cone of useful light, where Fresnel reflection is made harmless by a light stop.

Abstract: A periscope that provides a wide-angle viewing field while having a compact physical size is provided. The periscope has at least two objective lenses with their optical axes at an angle to each other so that the objective lenses image different solid angle regions.

Abstract: The invention relates to a method for terminating optical fiber bundles, wherein the fiber bundle is inserted into a sleeve which is filled with adhesive.

Abstract: Side emitting glass elements are provided that include a plurality of light guiding elements, which are inseparably connected to one another at their outer circumferential surfaces, and at least one scattering element. The scattering element is inseparably connected to the outer circumferential surface of at least one light guiding element. The light guiding elements have at least one glass with a refractive index n1, wherein the individual light guiding elements are not enclosed by a cladding. A phase boundary is present between the light guiding elements through which the guided light can pass and to reach the scattering element.

Abstract: Fiber optic devices, methods for producing same, and uses of such optical devices are provided. The method includes combining light conducting rods to form bundles in accordance with predefined rules with respect to a cross-sectional area and number thereof in relation to a surrounding sheath, and are subjected to a drawing process. The strong fiber rod produced by the drawing process has an approximately hexagonal outer shape, and due to the drawing process the light conducting rods also have an approximately hexagonal outer contour. Thereby, a high packing density of about 99% is achieved in the fiber rod. Through a further process sequence of bundling and drawing these fiber rods, high-resolution multi-fiber rods are produced that include several thousand light conducting rods, the diameter of an individual light conducting rod included therein being less than 100 ?m.

Abstract: An optical waveguide for transmission of radiation, in particular of the radiation from a high-power diode laser, and a method for its production are provided. The optical waveguide has an elongated light inlet surface, which is in the form of a gap, consisting of one or more layers of optical fibers, with the fibers being connected at least partially in an form-closed manner to one another and to a mounting plate.

Abstract: The invention relates to a method for terminating optical fiber bundles, wherein the fiber bundle is inserted into a sleeve which is filled with adhesive.