Abstract: An optical system is described, in particular for a LIDAR device, encompassing a lens and an objective for deflecting beams out of a scanning area or into the scanning area, the lens being designed as a lens array and the objective being situated in the beam path between the scanning area and the lens, the optical system encompassing at least one optical element situated ahead of the lens in the radiation direction or connected to the lens for adjusting an incidence direction of the radiation onto the lens array. Moreover, a LIDAR device is described.

Abstract: An optical system is described, in particular for a LIDAR device, encompassing a lens and an objective for deflecting beams out of a scanning area or into the scanning area, the lens being designed as a lens array and the objective being situated in the beam path between the scanning area and the lens, the optical system encompassing at least one optical element situated ahead of the lens in the radiation direction or connected to the lens for adjusting an incidence direction of the radiation onto the lens array. Moreover, a LIDAR device is described.

Abstract: A device for the interferometric measuring of an object, including a light source to generate an emitted beam, a beam splitting device for splitting the emitted beam into a measuring beam and at least first and second reference beams, an optic interference device, and first and second detectors, with the interference device and the first detector being embodied cooperating such that the measuring beam, at least partially reflected by the object, and the first reference beam are interfered on at least one detector area of the first detector. The interference device and the second detector are embodied cooperating such that the measuring beam, at least partially scattered by the object, and the second reference beam are interfered on at least one detector area of the second detector. A method is also provided for the interferometric measuring of an object.

Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.

Abstract: A device for the optical non-contact vibration measurement of an vibrating object, including a laser Doppler vibrometer that has a laser as the light source for a laser beam, a first beam splitter assembly for splitting the laser beam into a measuring beam and a reference beam, a means for shifting the frequency of the reference beam or of the measuring beam in a defined manner, a second beam splitter assembly by which the measuring beam back-scattered by the oscillating object is merged with the reference beam and superimposed on the same, and a detector for receiving the superimposed measuring and reference beam and for generating a measurement signal. The laser is provided with a polarization filter arranged inside the optical resonator of the laser and the laser is frequency stabilized by regulating to a beat signal of the laser.

Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.

Abstract: A device for the interferometric measuring of an object, including a radiation source for generating an output beam, at least one beam splitter, as well as at least one detector, with the beam splitter being arranged in the radiation path of the output beam such that the output beam is split into at least one measuring beam and one reference beam, and the device is embodied to interfere the reference beam on the detector with an interference beam to form an optic interference. The device has an open optic resonator, which is arranged in the radiation path of the device such that the measuring beam enters the open optic resonator and the interference beam emitted from the open optic resonator is interfered with a reference beam on the detector to form an optic interference. The invention further relates to a method for the interferometric measuring of an object.

Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.

Abstract: An optical interferometer including an output-beam beam input for coupling-in an output beam, and a beam splitter device for splitting the output beam into at least one first sub-beam and one second sub-beam, the interferometer being embodied as a heterodyne interferometer by virtue of at least one optical frequency shifter being arranged in the beam path of the interferometer and the interferometer including one or more optical waveguide elements, by which optical waveguides are formed, at least between the output-beam beam input, beam splitter device and frequency shifter. The frequency shifter is arranged in the beam path of the first or second sub-beam.

Abstract: A device for the interferometric measuring of an object, including a radiation source for generating an output beam, at least one beam splitter, as well as at least one detector, with the beam splitter being arranged in the radiation path of the output beam such that the output beam is split into at least one measuring beam and one reference beam, and the device is embodied to interfere the reference beam on the detector with an interference beam to form an optic interference. The device has an open optic resonator, which is arranged in the radiation path of the device such that the measuring beam enters the open optic resonator and the interference beam emitted from the open optic resonator is interfered with a reference beam on the detector to form an optic interference. The invention further relates to a method for the interferometric measuring of an object.

Abstract: A device for interferometric vibration measurement, having a radiation source for generating an original beam, a first beam splitter for dividing it into measuring and reference beams, a detector and a focusing device. The measuring beam at least partly reflected by the object and the reference beam are superimposed on a detection area of the detector, and the focusing device in the beam path of the measuring beam between the image unit and object focuses it onto a measuring point. Here, a measuring beam having a wavelength greater than 1100 nm is generated and the device has an image unit for two-dimensional imaging of the object surrounding the measuring point. The measuring beam focus lies in the focal plane of the image unit and, by use of the focusing device, the focal point of the measuring beam and the focal plane of the imaging unit are displaceable simultaneously.

Abstract: An optical interferometer including an output-beam beam input for coupling-in an output beam, and a beam splitter device for splitting the output beam into at least one first sub-beam and one second sub-beam, the interferometer being embodied as a heterodyne interferometer by virtue of at least one optical frequency shifter being arranged in the beam path of the interferometer and the interferometer including one or more optical waveguide elements, by which optical waveguides are formed, at least between the output-beam beam input, beam splitter device and frequency shifter. The frequency shifter is arranged in the beam path of the first or second sub-beam.

Abstract: A device for the optical non-contact vibration measurement of an vibrating object, including a laser Doppler vibrometer that has a laser (1) as the light source for a laser beam, a first beam splitter assembly (S1) for splitting the laser beam into a measuring beam (2) and a reference beam (3), a means (4) for shifting the frequency of the reference beam (3) or of the measuring beam (2) in a defined manner, a second beam splitter assembly (S2, S3) by which the measuring beam (2) back-scattered by the oscillating object (6) is merged with the reference beam (3) and superimposed on the same, and a detector (5) for receiving the superimposed measuring and reference beam (7) and for generating a measurement signal. The laser (1) is provided with a polarization filter arranged inside the optical resonator of the laser and the laser (1) is frequency stabilized by regulating to a beat signal of the laser.

Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.

Abstract: A vibrometer and a method for optically measuring oscillations at an object, including a radiation source for creating a source beam, a beam splitter to split the source beam into a measuring beam and a reference beam, an optic interference device for interfering the reference beam with a measuring beam, at least partially reflected by the object, and a detector, with the interference device and the detector being embodied cooperating such that a measuring beam, at least partially deflected by the object, and the reference beam interfere on the detector. The vibrometer is embodied as a heterodyne vibrometer, having an optic frequency shift unit, which is arranged in the optical path of the vibrometer, to form a carrier frequency by creating a frequency difference between the measuring beam and the reference beam.

Abstract: An interferometer for optically measuring an object (10), including a light source (1), at least one beam splitter (2) and at least one detector (12a, 12b), with the beam splitter being arranged in the beam path of the light source such that a light beam created by the light source is split into a working beam (3) and a reference beam (4). The interferometer is embodied such that the working beam impinges on the object (10) to be measured and the working beam is at least partially reflected by the object and interfered with the reference beam on the detector (12a, 12b).

Abstract: A device for interferometric vibration measurement on an object (8), having a radiation source (1) for generating an original beam, a first beam splitter for dividing the original beam into a measuring beam and a reference beam (4, 5), a detector (10) and a focusing device (9). The device is implemented in such a way that the measuring beam at least partly reflected by the object and the reference beam are superimposed on a detection area of the detector, and the focusing device is arranged in the beam path of the measuring beam for focusing the measuring beam onto a measuring point (7) on the object. It is important that, by using the device, a measuring beam having a wavelength greater than 1100 nm can be generated and that the device additionally has an image unit (12) for two-dimensional imaging of at least a sub-region of the object surrounding the measuring point.

Abstract: A device for the optic measuring of an object (1), including a signal processing unit (2) as well as an interferometer with a light source (3) and with at least one detector (4a, 4d). The interferometer is embodied such that a light beam (12) created by the light source (3) is split at least into a working beam (12a) and a reference beam (12b), with the working beam (12a) impinging the object (1) and the working beam (12a) is at least partially reflected by the object and interfered with the reference beam (12b) on the detector (4a, 4b). The signal processing unit (2) is connected to the detector (4a, 4b) and includes a vibrometer processing unit (2f), which detects the motion of the object (1) from the measuring signals of the detector (4a, 4d).

Abstract: An interferometer for optically measuring an object (10), including a light source (1), at least one beam splitter (2) and at least one detector (12a, 12b), with the beam splitter being arranged in the beam path of the light source such that a light beam created by the light source is split into a working beam (3) and a reference beam (4). The interferometer is embodied such that the working beam impinges on the object (10) to be measured and the working beam is at least partially reflected by the object and interfered with the reference beam on the detector (12a, 12b).

Abstract: An interferometer for optically measuring an object (10), including a light source (1), at least one beam splitter (2) and at least one detector (12a, 12b), with the beam splitter being arranged in the beam path of the light source such that a light beam created by the light source is split into a working beam (3) and a reference beam (4). The interferometer is embodied such that the working beam impinges on the object (10) to be measured and the working beam is at least partially reflected by the object and interfered with the reference beam on the detector (12a, 12b).