Abstract: The invention is directed to an aluminoborosilicate glass containing alkali metals for the production of optical components with refractive index gradients which are generated by ion exchange of monovalent metal ions in a base glass comprising at least silicon oxide, boron oxide, aluminum oxide and an alkali metal oxide, particularly for the production of gradient index lenses (GRIN lenses).

Abstract: An illuminated aiming device for an observation instrument comprises a reticle plate, an aiming mark provided at the reticle plate, and a light source directed onto the aiming mark via a light guide. The light guide is configured as a wave guide within the reticle plate.

Abstract: An illuminated aiming device for an observation instrument comprises a reticle plate, an aiming mark provided at the reticle plate, and a light source directed onto the aiming mark via a light guide. The light guide is configured as a wave guide within the reticle plate.

Abstract: The invention is directed to an aluminoborosilicate glass containing alkali metals for the production of optical components with refractive index gradients which are generated by ion exchange of monovalent metal ions in a base glass comprising at least silicon oxide, boron oxide, aluminum oxide and an alkali metal oxide, particularly for the production of gradient index lenses (GRIN lenses).

Abstract: An optical arrangement for symmetrizing beams which includes a plurality of laser diodes arranged next to one another. The plurality of laser diodes emit beams which are asymmetrical relative to a first direction and a second direction, with the second direction being perpendicular to the first direction. A microcylinder lens optics is arranged in an inclined manner around an optical axis. The beams emitted by the laser diodes in the first direction are collimated and deflected at different angles and are separated thereby. A direction element is arranged downstream of the microcylinder lens optics. The direction element deflects a beam of each individual laser diode in the second direction, whereby each of these beams is deflected by a different angle in the second direction, in such a way that central points of the individual beams converge at a predetermined distance in the second direction.

Abstract: The invention relates to an optical array for symmetrization of the beam of multiple sequentially fixed adjacent laser diodes, their respective output radiation being asymmetrical in relation to a first and a second direction that are perpendicular to each other. A cylindrical lens with sufficient isoplanacy is mounted on the tilted optical axis (z axis), which is perpendicular to the plane predetermined by the two directions (x, y). The lens collimates and displaces the output beam bundle of the individual laser diodes in the first direction (x). The cylindrical lens is mounted downstream a directional element that deflects the beam bundle of the individual laser diodes in the second direction (y) with different deflecting angles respectively in such a way that the centers of gravity of the individual beam bundles converge at a predetermined spacing.