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公开(公告)号：EP3191811A4
公开(公告)日：2018-04-25
申请号：EP15840035
申请日：2015-09-08
发明人： ROENTGEN PETER , GEIGER JENS , ROSSI MARKUS
CPC分类号： G01J9/00 , G01J1/0488 , G01J1/4257 , G01J3/2803 , G01J3/36 , G01J2003/1213 , H01L27/1443 , H01L27/1446 , H01L27/14621 , H01L27/14647 , H01L31/02327
摘要： The present disclosure describes optical radiation sensors and detection techniques that facilitate assigning a specific wavelength to a measured photocurrent. The techniques can be used to determine the spectral emission characteristics of a radiation source. In one aspect, a method of determining spectral emission characteristics of incident radiation includes sensing at least some of the incident radiation using a light detector having first and second photosensitive regions whose optical responsivity characteristics differ from one another. The method further includes identifying a wavelength of the incident radiation based on a ratio of a photocurrent from the first region and a photocurrent from the second region.
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公开(公告)号：EP3198689A4
公开(公告)日：2018-05-23
申请号：EP15845489
申请日：2015-09-23
发明人： RIEL PETER , ROENTGEN PETER
IPC分类号： H01S3/091 , G01J3/06 , G01J3/10 , G01J3/26 , H01S3/094 , H01S3/16 , H01S5/00 , H01S5/028 , H01S5/04 , H01S5/10 , H01S5/183 , H01S5/30 , H01S5/323 , H01S5/343 , H01S5/40
CPC分类号： G01J3/10 , G01J3/06 , G01J3/108 , G01J3/26 , H01S3/094096 , H01S5/0071 , H01S5/0287 , H01S5/041 , H01S5/1096 , H01S5/183 , H01S5/32375 , H01S5/34306 , H01S5/34313 , H01S5/34326 , H01S5/3438 , H01S5/4043 , H01S5/4087
摘要： The present disclosure describes broadband optical emission sources that include a stack of semiconductor layers, wherein each of the semiconductor layers is operable to emit light of a different respective wavelength; a light source operable to provide optical pumping for stimulated photon emission from the stack; wherein the semiconductor layers are disposed sequentially in the stack such that a first one of the semiconductor layers is closest to the light source and a last one of the semiconductor layers is furthest from the light source, and wherein each particular one of the semiconductor layers is at least partially transparent to the light generated by the other semiconductor layers that are closer to the light source than the particular semiconductor layer. The disclosure also describes various spectrometers that include a broadband optical emission device, and optionally include a tuneable wavelength filter operable to allow a selected wavelength or narrow range of wavelengths to pass through.
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公开(公告)号：EP3303992A4
公开(公告)日：2018-06-06
申请号：EP16803861
申请日：2016-05-11
发明人： GEIGER JENS , ROENTGEN PETER , ROSSI MARKUS , EILERTSEN JAMES
CPC分类号： G01S7/4814 , G01S7/4813 , G01S7/4815 , G01S17/36 , G01S17/46
摘要： Various optoelectronic modules are described that include an emitter operable to produce light (e.g., electromagnetic radiation in the visible or non-visible ranges), an emitter optical assembly aligned with the emitter so as to illuminate an object outside the module with light produced by the emitter, a detector operable to detect light at one or more wavelengths produced by the emitter, and a detector optical assembly aligned with the detector so as to direct light reflected by the object toward the detector. In some implementations, the modules include features for expanding or shifting the linear photocurrent response of the detector.
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公开(公告)号：EP3191815A4
公开(公告)日：2018-04-18
申请号：EP15839632
申请日：2015-09-08
发明人： ROENTGEN PETER , ROSSI MARKUS
CPC分类号： G01J3/18 , G01J3/0205 , G01J3/0208 , G01J3/0256 , G01J3/0262 , G01J3/0291 , G01J3/10 , G01J3/1804 , G01J3/1895 , G01J3/2803 , G01J3/36 , G01J2003/2806 , G01J2003/2813 , G01N21/255 , G01N21/27 , G02B5/1809 , G02B5/1861 , G02B6/0026 , G02B6/005 , G02B6/0055
摘要： An optoelectronic module includes a light guide arranged to receive light, such as ambient light or light reflected by an object. The light guide has a diffractive grating that includes multiple sections, each of which is tuned to a respective wavelength or narrow band of wavelengths. The module further includes multiple photosensitive elements, each of which is arranged to receive light diffracted by a respective one of the sections of the diffractive grating. The module can be integrated, for example, as part of a spectrometer or other apparatus for optically determining characteristics of an object.
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