Abstract: A laser tracker for industrial coordinative position determination of a target, wherein the laser tracker at least comprises a control and evaluation unit, a base and a beam directing unit, means for detecting a rotation angle of the beam directing unit relative to the base, and a first optical distance measuring unit having at least a first beam source and a first detection unit. The distance measuring unit and the control and evaluation unit are designed for implementing a first and a second measurement functionality, where at least one element of the distance measuring unit is designed for dual use in the first and in the second measurement functionality. The first measurement functionality is for coordinative position determination of a retroreflective target, and the second measurement functionality is for position determination of a diffusely scattering target.

Abstract: Embodiments of the invention relate to a laser tracker for continuous tracking of a target, with a beam source for generating measuring radiation, a base defining a vertical axis and a support, wherein the support is pivotable by motor power about the vertical axis relative to the base and thereby a horizontal pivot angle is defined. The tracker further comprises a beam directing unit pivotable by motor power, which defines a vertical pivot angle for orienting the measuring radiation and for receiving measuring radiation, an angle measuring functionality for determining the horizontal pivot angle and the vertical pivot angle, a distance measuring functionality and a photosensitive surface detector for detecting an incidence position of the reflected measuring radiation. The base has a self-calibration unit with a first retroreflective reference target and an optical assembly functioning as a reducing lens.

Abstract: Some embodiments of the invention relate to a laser tracker for progressive tracking of a reflective target and for determining the distance to the target having a distance measuring unit, which is designed as an interferometer, for determining a distance change to the target by means of interferometry, a laser beam source for generating measuring radiation for the interferometer, a base, which defines a standing axis, a beam guiding unit for emitting the measuring radiation and for receiving at least a part of the measuring radiation reflected on the target, wherein the beam guiding unit is pivotable by a motor about the standing axis and an inclination axis, which is essentially orthogonal in relation to the standing axis, in relation to the base, and an angle measuring functionality for determining an alignment of the beam guiding unit in relation to the base.

Abstract: Some embodiments described herein include a laser tracker for continuously tracking a reflective target and for determining the distance with respect to the target. The laser tracker may include beam directing unit for emitting a measurement radiation and for receiving at least part of the measurement radiation reflected at the target. The laser tracker additionally comprises an interferometer for determining a change in distance with respect to the target. A control and evaluation unit is designed in such a way that an interferometer wavelength of the measurement radiation is determined by defined sample measurements being carried out with variation of the distance with respect to the target, wherein the sample measurements are effected for at least two different distances with respect to the target, the measurement radiation is constantly oriented towards the target and with the interferometer wavelength being kept stable.

Abstract: Embodiments of the invention relate to a method for determining a change in distance to a moving and reflective target. Embodiments of the invention can be performed by means of interferometry and may include the generation of laser radiation, the emission of the measurement radiation to the target, and the detection of at least part of the measurement radiation reflected at the target. In some embodiments, a superposition of the reflected measurement radiation with the reference radiation is generated and detected, an interferometer output variable is derived on the basis of the detected superposition, and/or a time-resolved output variable curve is produced from the derived interferometer output variable. In some embodiments, the output variable curve is continually checked in that the output variable curve is continually read out in a time-resolved manner.

Abstract: A distance measuring device includes a light source emitting light, and an integrated electro-optic modulator arranged such that the emitted light passes through an optical waveguide of the electro-optic modulator in a first direction before being emitted from the distance measuring device, and after being reflected from a target passes through the electro-optic modulator in a second direction which is opposite to the first direction. The forward electro-optic response of a modulating region of the electro-optic modulator is the same as the backward electro-optic response, and a center of gravity of the modulation is independent of modulation frequency.

Abstract: A laser tracker for continuous tracking of a reflecting target and for determining the distance to the target is provided. The laser tracker may include a base defining a standing axis, a beam steering unit for emission of a measuring radiation and for receiving at least a part of the measuring radiation reflected by the target. The beam steering unit is motorized to be pivotable relative to the base around the standing axis and a tilt axis extending substantially orthogonal to the standing axis. Furthermore, the tracker has a distance measuring unit configured as an interferometer for determining a change in distance to the target by means of interferometry, an interferometer laser beam source for generating the measuring radiation for the interferometer and an angle measurement functionality for determining an alignment of the beam steering unit relative to the base. The interferometer laser beam source may be configured as a laser diode.

Abstract: Some embodiments of the invention include a coordinate measuring machine for detecting the position and alignment of a spatially movable measuring aid. The coordinate measuring machine may include a retroreflector; a base; a support, which is fixed on the base rotatably about a first rotation axis; a beam directing unit, which is fixed to the support rotatably about a second rotation axis substantially orthogonal to the first rotation axis; means for detecting a rotation angle of the support relative to the base; and means for detecting a rotation angle of the beam directing unit relative to the support. In some embodiments, the beam directing unit comprises a laser emission and reception optical unit and a first optical distance measuring unit having at least one first distance measuring device for measuring the distance to a retroreflector of the measuring aid by means of a first measurement radiation.

Abstract: Some embodiments of the invention relate to a coordinate measuring machine for determining the position and/or for continuous tracking of a target embodied as a retroreflector or at least having a retroreflector. In some embodiments, the coordinate measuring machine may be a laser tracker. The coordinate measuring machine may include comprising at least a base defining a vertical axis, a support swivelable relative thereto and, tiltable thereto a beam guiding unit for emitting measurement radiation for receiving at least some of the measurement radiation reflected at the target. In some embodiments, the coordinate measuring machine includes a heat influence reduction component that may be configured to prevent and/or actively reduce heat emission, and/or obstruct or prevent warm air from passing through the near region free beam path.

Abstract: Embodiments of the invention relate to a laser tracker for continuous tracking of a target, with a beam source for generating measuring radiation, a base defining a vertical axis and a support, wherein the support is pivotable by motor power about the vertical axis relative to the base and thereby a horizontal pivot angle is defined. The tracker further comprises a beam directing unit pivotable by motor power, which defines a vertical pivot angle for orienting the measuring radiation and for receiving measuring radiation, an angle measuring functionality for determining the horizontal pivot angle and the vertical pivot angle, a distance measuring functionality and a photosensitive surface detector for detecting an incidence position of the reflected measuring radiation. The base has a self-calibration unit with a first retroreflective reference target and an optical assembly functioning as a reducing lens.

Abstract: Measuring apparatus comprising a tunable laser diode for generating a mono mode measurement radiation, said laser diode being designed as a laser beam source in such a way that an emission wavelength of the measurement radiation is variable within a wavelength range by means of the variation of a tuning parameter, comprising an absorption medium defining absorption lines within the wavelength range, comprising a memory having a line atlas for the absorption medium, comprising a detector for determining an absorptivity and comprising a control and evaluation unit for regulating the emission wavelength by means of the at least one tuning parameter in a manner dependent on the absorptivity determined in such a way that the emission wavelength remains stable.

Abstract: Some embodiments described herein include a laser tracker for continuously tracking a reflective target and for determining the distance with respect to the target. The laser tracker may include beam directing unit for emitting a measurement radiation and for receiving at least part of the measurement radiation reflected at the target. The laser tracker additionally comprises an interferometer for determining a change in distance with respect to the target. A control and evaluation unit is designed in such a way that an interferometer wavelength of the measurement radiation is determined by defined sample measurements being carried out with variation of the distance with respect to the target, wherein the sample measurements are effected for at least two different distances with respect to the target, the measurement radiation is constantly oriented towards the target and with the interferometer wavelength being kept stable.

Abstract: A distance measuring device includes a light source emitting light, and an integrated electro-optic modulator arranged such that the emitted light passes through an optical waveguide of the electro-optic modulator in a first direction before being emitted from the distance measuring device, and after being reflected from a target passes through the electro-optic modulator in a second direction which is opposite to the first direction. The forward electro-optic response of a modulating region of the electro-optic modulator is the same as the backward electro-optic response, and a center of gravity of the modulation is independent of modulation frequency.

Abstract: An electro-optic modulator includes a waveguide of a nonlinear optical material and an electrode line for generating an electrical field in a modulating region of the waveguide when a voltage is applied to the electrode line, thereby modulating light passing through the waveguide. Therein, the forward electro-optic response of the modulating region is the same as the backward electro-optic response; and the electro-optic response has a band-pass or a low-pass characteristic. A distance measuring device includes a light source emitting light, and such an electro-optic modulator arranged such that the emitted light passes through the electro-optic modulator in a first direction before being emitted from the distance measuring device, and after being reflected from a target passes through the electro-optic modulator in a second direction which is opposite to the first direction.

Abstract: Embodiments of the invention relate to a method for determining a change in distance to a moving and reflective target. Embodiments of the invention can be performed by means of interferometry and may include the generation of laser radiation, the emission of the measurement radiation to the target, and the detection of at least part of the measurement radiation reflected at the target. In some embodiments, a superposition of the reflected measurement radiation with the reference radiation is generated and detected, an interferometer output variable is derived on the basis of the detected superposition, and/or a time-resolved output variable curve is produced from the derived interferometer output variable. In some embodiments, the output variable curve is continually checked in that the output variable curve is continually read out in a time-resolved manner.

Abstract: A laser tracker for continuous tracking of a reflecting target and for determining the distance to the target is provided. The laser tracker may include a base defining a standing axis, a beam steering unit for emission of a measuring radiation and for receiving at least a part of the measuring radiation reflected by the target. The beam steering unit is motorized to be pivotable relative to the base around the standing axis and a tilt axis extending substantially orthogonal to the standing axis. Furthermore, the tracker has a distance measuring unit configured as an interferometer for determining a change in distance to the target by means of interferometry, an interferometer laser beam source for generating the measuring radiation for the interferometer and an angle measurement functionality for determining an alignment of the beam steering unit relative to the base. The interferometer laser beam source may be configured as a laser diode.

Abstract: Computer-implemented systems and methods for managing goodwill activities in a business organization are provided. A computer-implemented activity management tool collect user-submitted activity identification data regarding a proposed activity, and automatically classifies the proposed activity into one of a plurality of activity types based at least on the user-submitted activity identification data. The activity management tool also receives user-submitted activity value data regarding the proposed activity, automatically determines a value of the proposed activity based at least on the user-submitted activity value data, and automatically determines an appropriate approval level for the proposed activity based at least on the determined value of the proposed activity.

Abstract: The electronic component includes at least one resonator element arranged in a housing of a case. The case includes a main part with a base and at least one lateral wall of annular shape, and a cover fixed onto the main part to hermetically seal the housing of the case. One portion of the cover is transparent to a determined wavelength of a light beam to allow the resonator element to be optically adjusted once the case is sealed. The cover is fixed onto a rim of the lateral wall of the main part, which is preferably made of a ceramic material, such that one part of the rim preferably surrounds the entire lateral surface of the cover to ensure protection of the electronic component against lateral shocks.

Abstract: The electronic component includes at least one resonator element arranged in a housing of a case. The case includes a main part with a base and at least one lateral wall of annular shape, and a cover fixed onto the main part to hermetically seal the housing of the case. One portion of the cover is transparent to a determined wavelength of a light beam to allow the resonator element to be optically adjusted once the case is sealed. The cover is fixed onto a rim of the lateral wall of the main part, which is preferably made of a ceramic material, such that one part of the rim preferably surrounds the entire lateral surface of the cover to ensure protection of the electronic component against lateral shocks.

Abstract: The invention concerns a piezoelectric resonator (10), intended to be packaged in a case, including a base (12) formed of a first fixing zone (121), a second central mechanical uncoupling zone (122) and a third zone (123) opposite to the first fixing zone. At least two vibrating arms (13a, 13b) extend from said third zone, on each of which at least one groove (141a-144a, 141b-144b) is formed on at least one of the top or bottom faces of the arms. The resonator is characterised in that the base is provided with a hole (15) through the second central mechanical uncoupling zone.