Abstract:
A detector (110) for determining a position of at least one object (112) is proposed. The detector (110) comprises: at least one transversal optical sensor (130), the transversal optical sensor (130) being adapted to determine a transversal position of at least one light beam (138) traveling from the object (112) to the detector (110), the transversal position being a position in at least one dimension perpendicular to an optical axis (116) of the detector (110), the transversal optical sensor (130) being adapted to generate at least one transversal sensor signal; at least one longitudinal optical sensor (132), wherein the longitudinal optical sensor (132) has at least one sensor region (136), wherein the longitudinal optical sensor (132) is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region (136) by the light beam (138), wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam (138) in the sensor region (136); at least one evaluation device (142), wherein the evaluation device (142) is designed to generate at least one item of information on a transversal position of the object (112) by evaluating the transversal sensor signal and to generate at least one item of information on a longitudinal position of the object (112) by evaluating the longitudinal sensor signal.
Abstract:
An optical detector (110) is disclosed, the optical detector (110) comprising: at least one spatial light modulator (114) being adapted to modify at least one property of a light beam (136) in a spatially resolved fashion, having a matrix (132) of pixels (134), each pixel (134) being controllable to individually modify the at least one optical property of a portion of the light beam (136) passing the pixel (134); at least one optical sensor (116) adapted to detect the light beam (136) after passing the matrix (132) of pixels (134) of the spatial light modulator (114) and to generate at least one sensor signal; at least one modulator device (118) adapted for periodically controlling at least two of the pixels (134) with different modulation frequencies; and at least one evaluation device (120) adapted for performing a frequency analysis in order to determine signal components of the sensor signal for the modulation frequencies.
Abstract:
A detector (110) for determining a position of at least one object (112), the detector (110) comprising: at least one transfer device (114) for imaging the object (112) into an image plane (116), the transfer device (114) having a focal plane (118), at least one longitudinal optical sensor (122), wherein the longitudinal optical sensor (122) has at least one sensor region (124), wherein the longitudinal optical sensor (122) is at least partially transparent, wherein the longitudinal optical sensor (122) is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of sensor region (124) by at least one light beam propagating from the object to the detector (110), wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam in the sensor region (124); and at least one evaluation device (129), wherein the evaluation device (129) is designed to generate at least one item of information on a longitudinal position of the object (112) by evaluating the longitudinal sensor signal. Herein the at least one longitudinal optical sensor (122) comprises a focal longitudinal optical sensor (136), wherein the focal longitudinal optical sensor (136) at least substantially is arranged in the focal plane (118).
Abstract:
A detector device (111) for determining an orientation of at least one object (112) is disclosed. The detector device comprises: at least two beacon devices (204), the beacon devices (204) being adapted to be at least one of attached to the object (112), held by the object (112) and integrated into the object (112), the beacon devices (204) each being adapted to direct light beams (138) towards a detector (110), the beacon devices (204) having predetermined coordinates in a coordinate system of the object (112); at least one detector (110) adapted to detect the light beams (138) traveling from the beacon devices (204) towards the detector (110); at least one evaluation device (142), the evaluation device (142) being adapted to determine longitudinal coordinates of each of the beacon devices (204) in a coordinate system of the detector (110), the evaluation device (142) being further adapted to determine an orientation of the object (112) in the coordinate system of the detector (110) by using the longitudinal coordinates of the beacon devices (204).
Abstract:
A detector (110) and a method for optically determining a position of at least one object (112). The detector (110) comprises at least one optical sensor (114) for determining a position of at least one light beam (134) and at least one evaluation device (164) for generating at least one item of information on a transversal position of the object (112) and at least one item of information on a longitudinal position of the object (112). The sensor (114) has at least a first electrode (126) and a second electrode (128). At least one photovoltaic material (130) is embedded in between the first electrode (126) and the second electrode (128). The first electrode (126) or the second electrode (128) is a split electrode (136) having at least three partial electrodes (140, 142, 144, 146). The detector and the method can determine three-dimensional coordinates of an object in a fast and efficient way.
Abstract:
A detector (110) for determining a position of at least one object (118) is disclosed. The detector (110) comprises: at least one optical sensor (112), the optical sensor (112) being adapted to detect a light beam (150) traveling from the object (118) towards the detector (110), the optical sensor (112) having at least one matrix (152) of pixels (154); and at least one evaluation device (126), the evaluation device (126) being adapted for determining an intensity distribution of pixels (154) of the optical sensor (112) which are illuminated by the light beam (150), the evaluation device (126) further being adapted for determining at least one longitudinal coordinate of the object (118) by using the intensity distribution.
Abstract:
A detector (110) for determining a position of at least one object (118) is disclosed. The detector (110) comprises: at least one optical sensor (112), the optical sensor (112) being adapted to detect a light beam (150) traveling from the object (118) towards the detector (110), the optical sensor (112) having at least one matrix (152) of pixels (154); and at least one evaluation device (126), the evaluation device (126) being adapted to determine a number N of pixels (154) of the optical sensor (112) which are illuminated by the light beam (150), the evaluation device (126) further being adapted to determine at least one longitudinal coordinate of the object (118) by using the number N of pixels (154) which are illuminated by the light beam (150).
Abstract:
A detector (110) for optically detecting at least one object (112) is proposed. The detector (110) comprises at least one optical sensor (114). The optical sensor (114) has at least one sensor region (116). The optical sensor (114) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region (116). The sensor signal, given the same total power of the illumination, is dependent on a geometry of the illumination, in particular on a beam cross section of the illumination on the sensor area (118). The detector (110) furthermore has at least one evaluation device (122). The evaluation device (122) is designed to generate at least one item of geometrical information from the sensor signal, in particular at least one item of geometrical information about the illumination and/or the object (112).
Abstract:
A detector (110) for determining a position of at least one object (112) is proposed. The detector (110) comprises: at least one transversal optical sensor (130), the transversal optical sensor (130) being adapted to determine a transversal position of at least one light beam (138) traveling from the object (112) to the detector (110), the transversal position being a position in at least one dimension perpendicular to an optical axis (116) of the detector (110), the transversal optical sensor (130) being adapted to generate at least one transversal sensor signal; at least one longitudinal optical sensor (132), wherein the longitudinal optical sensor (132) has at least one sensor region (136), wherein the longitudinal optical sensor (132) is designed to generate at least one longitudinal sensor signal in a manner dependent on an illumination of the sensor region (136) by the light beam (138), wherein the longitudinal sensor signal, given the same total power of the illumination, is dependent on a beam cross-section of the light beam (138) in the sensor region (136); at least one evaluation device (142), wherein the evaluation device (142) is designed to generate at least one item of information on a transversal position of the object (112) by evaluating the transversal sensor signal and to generate at least one item of information on a longitudinal position of the object (112) by evaluating the longitudinal sensor signal.