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    • 3. 发明申请
    • LIGHT DISTRIBUTION SYSTEM COMPRISING SPECTRAL CONVERSION MEANS
    • 包含光谱转换装置的光分配系统
    • WO2012136219A1
    • 2012-10-11
    • PCT/DK2012/050106
    • 2012-04-03
    • DANMARKS TEKNISKE UNIVERSITET - DTUPETERSEN, Paul MichaelBJARKLEV, Anders
    • PETERSEN, Paul MichaelBJARKLEV, Anders
    • G02B6/00
    • G02B6/0005G02B6/0003G02B6/02366
    • System (200, 300) for the distribution of white light, having a supply side (201, 301, 401) and a delivery side (202, 302, 402), the system being configured for guiding light with a multitude of visible wavelengths in a propagation direction P from the supply side to the distribution side, the system comprising a transport fibre (210, 310, 330, 410, 410a–d) and a spectral conversion fibre (220, 320, 420ad, 500, 600, 700), the transport fibre having a length extending from a first end (211, 311, 331) to a second end (212, 312, 332), and a spectral transmission characteristics,the transport fibre being operationally connected to the spectral conversion fibre having a length extending from an input end (221, 321)to an output end (222, 322), the spectral conversion fibre comprising a photoluminescent agent (511, 611, 711) for converting light of a first wavelength to light of a second, longer wavelength,a spectral conversion characteristics of the spectral conversion fibre being essentially determined by the spectral absorption and emission properties of the photoluminescent agent, the amount of photo- luminescent agent,and the distribution of the photoluminescent agent in the spectral conversion fibre, wherein the first and second wavelengths are selected according to the spectral transmission characteristics of the transport fibre such that transmission loss in the transport fibre at the first wavelength is less than at the second wavelength. According to further aspects, a method of providing a light distribution system and a method of correcting the spectral transmission characteristics of a light distribution system are disclosed.
    • 用于分配白光的系统(200,300),具有供应侧(201,301,401)和输送侧(202,302,402),所述系统被配置为用于引导具有多个可见波长的光 传播方向P从供给侧到分布侧,该系统包括传输光纤(210,310,330,410,410a-d)和光谱转换光纤(220,320,420ad,500,600,700) ,所述传输光纤具有从第一端(211,311,331)延伸到第二端(212,312,332)的长度,以及光谱传输特性,所述传输光纤可操作地连接到具有 该长度从输入端(221,321)延伸到输出端(222,322),所述光谱转换光纤包括用于将第一波长的光转换成第二波长的光的光致发光剂(511,611,711) 波长,光谱转换光纤的光谱转换特性是必需的 y,其由光致发光剂的光谱吸收和发射性质,光致发光剂的量和光致变色光纤在光谱转换光纤中的分布决定,其中第一和第二波长根据光谱传输特性 传输光纤使得第一波长的传输光纤中的传输损耗小于第二波长处的传输损耗。 根据其它方面,公开了一种提供配光系统的方法和校正配光系统的光谱透射特性的方法。
    • 4. 发明申请
    • LASER SYSTEM WITH WAVELENGTH CONVERTER
    • 具有波长转换器的激光系统
    • WO2012034563A1
    • 2012-03-22
    • PCT/DK2011/050344
    • 2011-09-14
    • DANMARKS TEKNISKE UNIVERSITETJENSEN, Ole BjarlinANDERSEN, Peter EskilPETERSEN, Paul Michael
    • JENSEN, Ole BjarlinANDERSEN, Peter EskilPETERSEN, Paul Michael
    • G02F1/35H01S3/0941H01S5/068
    • H01S5/06817H01S3/09415H01S5/0092H01S5/02469H01S5/0265H01S5/0683H01S5/1014H01S5/4012H01S2301/02
    • The present invention relates to an apparatus comprising a diode laser (10) providing radiation in a first wavelength interval, a radiation conversion unit (12) having an input and an output, the radiation converter configured to receive the radiation in the first wavelength interval from the diode laser at the input, the radiation conversion unit configured to convert the radiation in the first wavelength interval to radiation in a second wavelength interval and the output configured to output the converted radiation, the second wavelength interval having one end point outside the first wavelength interval. Further, the invention relates to a method of optically pumping a target laser (14) in a laser system, the laser system comprising a laser source providing radiation at a first frequency, the laser source being optically connected to an input of a frequency converter, the frequency converter configured to convert the radiation at the first frequency to a second, different frequency, the target laser arranged in optical communication with an output of the frequency converter, the method comprising the steps of emitting radiation from the laser source, receiving the radiation at the frequency converter, converting the radiation from the first frequency to the second frequency in the frequency converter, and providing the radiation at the second frequency at the target laser so that the target laser is optically pumped.
    • 本发明涉及一种包括提供第一波长间隔的辐射的二极管激光器(10)的设备,具有输入和输出的辐射转换单元(12),该辐射转换器被配置为接收第一波长间隔中的辐射 在输入处的二极管激光器,所述辐射转换单元被配置为将第一波长间隔中的辐射转换成第二波长间隔的辐射,并且被配置为输出转换的辐射的输出,所述第二波长间隔具有在第一波长之外的一个端点 间隔。 此外,本发明涉及一种在激光系统中光学泵浦目标激光器(14)的方法,所述激光系统包括提供第一频率的辐射的激光源,所述激光源光学连接到变频器的输入端, 所述变频器被配置为将所述第一频率的辐射转换为第二不同频率,所述目标激光器被布置为与所述变频器的输出光学通信,所述方法包括以下步骤:从所述激光源发射辐射,接收所述辐射 在频率转换器中,将频率转换器中的第一频率的辐射转换为第二频率,并且在目标激光器处以第二频率提供辐射,使得目标激光器被光泵浦。
    • 5. 发明申请
    • SYSTEM FOR INSPECTING PHOTOVOLTAIC MODULES
    • WO2022084204A1
    • 2022-04-28
    • PCT/EP2021/078713
    • 2021-10-15
    • DANMARKS TEKNISKE UNIVERSITET
    • DOS REIS BENATTO, Gisele AlvesCHI, MingjunPOULSEN, Peter BehrensdorffPETERSEN, Paul MichaelHANSEN, Anders KraghSPATARU, Sergiu
    • H02S50/15
    • One aspect of the present disclosure relates to an inspection system, in particular a mobile inspection system, for outdoor inspection of photovoltaic modules in situ, the inspection system comprising a movable detector unit and a processing unit; wherein the detector unit is configured to obtain, when positioned at a user‐controllable position spaced apart from a photovoltaic module of a photovoltaic power system, luminescence data from a light‐receiving surface of said photovoltaic module; the detector unit comprising: a light source, in particular a laser source, configured to emit an illumination beam; means for selectively directing the illumination beam onto respective portions of the light‐receiving surface so as, when the illumination beam is directed onto a first portion of the light‐receiving surface, to only illuminate the first portion while leaving a corresponding first remaining portion of the light‐receiving surface unilluminated by the illumination beam and, when the illumination beam is directed onto a second portion of the light‐receiving surface, to only illuminate the second portion while leaving a corresponding second remaining portion of the light‐ receiving surface unilluminated by the illumination beam; an imaging system configured to capture a plurality of images of the light‐receiving surface, the plurality of images including a first image captured while only the first portion is illuminated by the illumination beam and depicting at least a part of the first illuminated portion and at least a part of the unilluminated first remaining portion, the plurality of images further including a second image captured while only the second portion is illuminated by the illumination beam and depicting at least a part of the second illuminated portion and at least a part of the unilluminated second remaining portion; wherein the processing unit is configured to process the plurality of images to provide reconstructed image data indicative of luminescence emitted by the light‐receiving surface responsive to respective portions of the light‐receiving surface being illuminated by the illumination beam.
    • 6. 发明申请
    • LASER APPARATUS WITH CASCADE OF NONLINEAR FREQUENCY MIXERS
    • 激光装置与非线性频率混合器的组合
    • WO2015091353A1
    • 2015-06-25
    • PCT/EP2014/077750
    • 2014-12-15
    • DANMARKS TEKNISKE UNIVERSITET
    • HANSEN, Anders KraghJENSEN, Ole BjarlinANDERSEN, Peter EskilPETERSEN, Paul Michael
    • G02F1/35
    • G02F1/3532G02F1/3501G02F1/3534G02F1/3544G02F1/3551G02F1/37G02F2001/3507G02F2001/3546H01S3/0092H01S3/08095H01S3/0823H01S3/10H01S5/0092H01S5/4012H01S5/4087
    • A laser apparatus comprising: a first laser source operable to generate a first laser beam having a least a beam component having a first frequency; a second laser source operable to generate a second laser beam having a least a beam component having a second frequency; a beam combiner operable to combine the first and second laser beams into a combined initial laser beam comprising at least a frequency component having the first frequency, and a frequency component having the second frequency; one or more nonlinear frequency mixers operable to perform a frequency mixing process of a frequency component having the first frequency and a frequency component having the second frequency and resulting in at least a frequency component having a third frequency equal to a sum or difference of the first and second frequencies; wherein the laser apparatus is configured to direct the combined initial laser beam through a first one of the one or more nonlinear frequency mixers resulting in a first frequency-mixed beam, the first frequency-mixed beam comprising a frequency component having the first frequency, a frequency component having the second frequency, and a frequency component having the third frequency; wherein the laser apparatus is further configured to direct the resulting first frequency-mixed beam along an intermediate beam path to a subsequent nonlinear frequency mixer chosen from the first and another one of the one or more nonlinear frequency mixers, resulting in a second frequency-mixed beam comprising at least an output frequency component having at least said third frequency; a dispersive element configured to adjustably change an optical path length of the intermediate beam path of the first frequency-mixed beam so as to compensate for dispersion along at least the intermediate beam path.
    • 一种激光装置,包括:第一激光源,其可操作以产生具有至少一个具有第一频率的光束分量的第一激光束; 第二激光源,其可操作以产生具有至少一个具有第二频率的光束分量的第二激光束; 光束组合器,其可操作以将第一和第二激光束组合成包括至少一个具有第一频率的频率分量的组合初始激光束,以及具有第二频率的频率分量; 一个或多个非线性频率混合器,其可操作以执行具有第一频率的频率分量和具有第二频率的频率分量的频率分量处理,并产生至少一个频率分量,该频率分量具有等于第一频率的第一频率的和/ 和第二频率; 其中所述激光装置被配置为引导所述组合的初始激光束通过所述一个或多个非线性频率混合器中的第一个,从而产生第一频率混合光束,所述第一频率混合光束包括具有所述第一频率的频率分量, 具有第二频率的频率分量和具有第三频率的频率分量; 其中所述激光设备还被配置为将所得到的第一频率混合光束沿着中间光束路径引导到从所述一个或多个非线性频率混合器中的第一个和另一个中选择的随后的非线性频率混合器,从而产生第二频率混合 至少包括具有至少所述第三频率的输出频率分量; 分散元件,被配置为可调节地改变第一频率混合光束的中间光束路径的光路长度,以便补偿沿着至少中间光束路径的色散。
    • 7. 发明申请
    • DIFFUSELY RADIATING LED LIGHT SYSTEM
    • DIFFUSELY RADIATING LED灯系统
    • WO2011058098A1
    • 2011-05-19
    • PCT/EP2010/067285
    • 2010-11-11
    • DANMARKS TEKNISKE UNIVERSITETDAM-HANSEN, CarstenPETERSEN, Paul MichaelBEHRENSDORFF POULSEN, Peter
    • DAM-HANSEN, CarstenPETERSEN, Paul MichaelBEHRENSDORFF POULSEN, Peter
    • F21S8/02
    • F21V7/0008F21S4/28F21V9/08F21W2131/304F21W2131/405F21Y2113/13F21Y2115/10
    • A lighting device (7) for illuminating objects, the lighting device comprising: a plurality of light emitting diodes (1) wherein at least one of the plurality of light emitting diodes is adapted to generate light having a spectrum different from a spectrum of light generated by another light emitting diode of said plurality of light emitting diodes; and a chamber (8) comprising a first reflective surface (3a) and an opening (5) for allowing light to exit said chamber, said opening having a periphery, wherein the plurality of light emitting diodes (1) are positioned along the periphery of said opening. The opening (5) has a centre point defined as the centroid of said opening, and that said plurality of light emitting diodes are positioned along a limited portion of the periphery of said opening, wherein an angular distance between any two light emitting diodes of said lighting device relative the centre point of the opening is smaller than 135 degrees and said first reflective surface (3a) is a diffuse reflective surface.
    • 1.一种用于照明物体的照明装置(7),所述照明装置包括:多个发光二极管(1),其中所述多个发光二极管中的至少一个适于产生具有与产生的光谱不同的光谱的光 通过所述多个发光二极管的另一个发光二极管; 以及包括第一反射表面(3a)和用于允许光离开所述室的开口(5)的室(8),所述开口具有周边,其中所述多个发光二极管(1)沿着 说开口 开口(5)具有被定义为所述开口的重心的中心点,并且所述多个发光二极管沿着所述开口的周边的有限部分定位,其中所述两个发光二极管之间的角距离 照明装置相对于开口的中心点小于135度,并且所述第一反射表面(3a)是漫反射表面。