Hilti Aktiengesellschaft

Thomson Licensing

Lieu-Kim Dang

Andreas Winter

Torsten Gogolla

Roman Steffen

Christoph Wuersch

Reinhard Waibel

Sasha Lukic

Stefan Tiefenthaler

Karsten Brandenburg

Erwin B&uuml;nter

Detlef Juesten

Christian Haefele

Petra Eyrich

Heinz-Jörg Schröder

Jann Schraner

Stefan Barth

Mustafa Kücük

Rafal Cieslak

Neil O'DOWD

A laser system () for generating a linear laser marking () on a projection surface (), including a laser beam source (), which generates a laser beam () and emits it along a propagation direction (), a first beam shaping optical unit () embodied as a collimation optical unit and having a first optical axis (), and a conical mirror () which is embodied as a right cone having a cone axis () and a reflective lateral surface () and is arranged in the beam path of the laser beam downstream of the collimation optical unit (), wherein the cone axis () is oriented parallel to the first optical axis (). The laser system () includes a second beam shaping optical unit (), which is arranged in the beam path of the laser beam upstream of the conical mirror () and reshapes the laser beam into a ring beam () having an intensity minimum in the center of the beam.

Laser system for generating a linear laser marking

An optical system for shaping a laser beam is disclosed. The system includes a first optical element that has a lateral surface which is designed as a reflecting surface for the laser beam, where the lateral surface reshapes the laser beam at least in some segments thereof into a ring-shaped laser beam. The at least segmentally ring-shaped laser beam propagates in a propagation plane. A further optical element is provided for shaping the ring-shaped laser beam that shapes the ring-shaped laser beam at least in some segments thereof in a plane parallel to the propagation plane of the laser beam.

Optical system for shaping a laser beam and laser system having such an optical system

A laser system () for creating a laser marking () on a substrate (), having a laser device () with a beam source () that emits a laser beam () along a first optical axis (), and having a deflection unit () with a deflection lens () that deflects the laser beam () along a second optical axis (), whereby the first and second optical axes () are arranged at an angle of 90&#xb0;, and the deflection unit () can be adjusted with respect to the laser device ().

Laser system for creating a laser marking on a substrate

A measuring device for the measurement of a distance to a target object has a beam source which is designed as an electrical-optical component and which emits a transmission beam. A detector, which is designed as a further electrical-optical component, receives a reception beam that is reflected and/or scattered by the target object. A beam splitting lens is configured to deflect the transmission and/or reception beam. Alternatively or additionally, the measuring device includes a beam shaping lens is configured for shaping the transmission and/or reception beam. A lens support is configured to accommodate the electrical-optical components. The lens support also accommodates the beam splitting lens and/or the beam shaping lens. The lens support has a first wafer for accommodating the electrical-optical components and a second wafer for accommodating the beam splitting lens, and/or the beam shaping lens.

Device for measuring a distance to a target object

A laser system for creating a linear laser marking, including a radiation source that emits a laser beam and that emits it along a direction of propagation, a focusing lens assembly with an optical axis, and a conical mirror that, at least in certain areas, is configured as a straight cone with a cone axis and a reflecting lateral surface. The conical mirror is arranged in the beam path of the laser beam behind the focusing lens assembly, and the cone axis is oriented parallel to the optical axis of the focusing lens assembly. The direction of propagation of the laser beam is inclined at an angle relative to the optical axis of the focusing lens assembly.

Laser system for creating a linear laser marking

A laser instrument and a method for adjusting the laser power is disclosed. The laser instrument includes a laser device which generates a laser beam and a rotating device which moves the laser device back and forth around an axis of rotation between a first turning point and a second turning point. The laser beam generates a laser line between a first end point and a second end point on a target surface. A control device is provided which adjusts the laser power of the laser beam as a function of a rotation angle and/or an angular velocity of the rotating device.

Laser instrument and method for adjusting the laser power

An optical system for shaping a laser beam includes an optical element with a base member having a lower base, an upper base, and a lateral surface. The lateral surface includes a transmitting surface for the laser beam, and the base member includes a first cutout portion having a lower base arranged in the upper base of the base member, and a lateral surface that has a first reflecting surface for the laser beam and generates an at least segmentally ring-shaped laser beam. The base member includes a second cutout portion having a lower base arranged in the lower base of the base member, an upper base that includes a transmitting surface for the laser beam, and a lateral surface abutting the lower and upper base. The lateral surface includes a second reflecting surface for the at least segmentally ring-shaped laser beam.

An optical assembly has an optics carrier () which is adjustable with respect to an axis (A) and to which at least two optical elements are fixedly connected, with the optics carrier () including at least two partial carriers (), each of which secures an optical element, and with the two partial carriers () being connected to one another by at least three axially elongate, flexible connection members () which are spaced apart in a plane and secured by frictional engagement in corresponding associated connection openings () so as to be displaceable axially.

Adjustable optical assembly

An optical mount () for optical component () which has a edge contour () relative to extending radially optical axis (A), includes a rigid optical support () having an axially oriented stop edge (), which is suitable for an axial contact with the optical component (), and at least one flexible spring element which is arranged radially outside the stop edge (), extends axially on the component side and is curved radially inward. The radial spring element passes at an axial distance from the stop edge into a circumferentially closed jacket sleeve an inner contour () of which extends farther radially than the edge contour () of the optical component ().

Optical mount

A device for reading from and/or writing to optical recording mediaon which information is present in the form of pits, with a linearly polarized light beam A device for reading from and/or writing to optical recording mediawhich ensures correct reproduction of the stored data even when the recording medium influences the polarization of the light beam. This is achieved by virtue of the fact that a device for reading from and/or writing to optical recording mediawith a light beamwhich is linearly polarized in a first direction of polarization has a beam-splitting elementfor splitting the light beaminto partial beamsin accordance with the first and a second direction of polarization, perpendicular to the first direction of polarization, and that it has a partly reflecting elementwhich directs both the partial beamof the first direction of polarization and the partial beamof the second direction of polarization onto a detector unitwhich has separate detector elementsfor the partial beamsof the two directions of polarization.

Device for correcting signal modulations

An optical beam splitter () for a light beam () that is parallel along a beam axis (A) has a transparent central area () and a plurality of reflecting reflector surfaces () that are respectively inclined by a reflector angle (&#x3b1;) relative to the beam axis (A) for generating each a discrete spot beam (), with the central area () being convexly curved in the manner of a prism at least in part and/or has beam-expanding diffractive optics ().

Optical beam splitter

A device () for generating and projecting light marks (MP, ML) in which projection optics (P) have a cylindrical lens (Z). The cylindrical lens (Z) can be irradiated by a light beam bundle (L) such that a central beam bundle (LZ) radiates completely through a cylinder portion area (A) and at least one marginal beam bundle (LR) travels directly past the edge of the outer surface of the cylinder portion area (ZA). A light mark (ML) in the shape of a line is projected by the central beam bundle (LZ), while a light mark (MP) in the shape of a point is projected through the marginal beam bundle (LR).

Device for the generation and projection of light marks

A multiple axis laser emitter ( ) comprising an optical beam splitter ( ) having at least two reflectively coated mirror surfaces ( ) oriented perpendicular to each other and each oriented at an angle of 45&deg; to a collimated main beam (H) of a laser light source ( ) and at an angle of 90&deg; to each other, wherein, in the beam path, an optical wedge ( ) is arranged downstream to at least one of the component beams (Ta, Tb, Tc, Td) deflected by the mirror surfaces ( ) at an angle of 90&deg; to the main beam (H).

Multiple-axis laser emitter with optical beam splitter

An optical alignment apparatus including a beam splitter ( ) for diverging a primary laser beam ( ) emitted by a radiation source ( ) into a plurality of divergent beam portions ( ), and elements for minimizing the angle error of the divergent beam portions ( ) and including a collimator ( ) located between the radiation source ( ) and the beam splitter ( ), and a spacially oscillatingly adjustable, transparent, plane-parallel plate ( ) arranged in a path of the primary laser beam ( ).

Growing community of inventors

Gams, Switzerland

Lieu-Kim Dang