Method and device for measuring the colour of an object

    公开(公告)号:US09671329B2

    公开(公告)日:2017-06-06

    申请号:US14378338

    申请日:2013-02-14

    Abstract: The present invention relates to a method for measuring the uniform diffuse reflectance ROBJ(λ) at least at one point on an object (30) using a device (10) comprising a means (11) capable of emitting color illuminants expressed in the form of luminous flux and an electronic color image sensor (12). The present invention also relates to a device (10) comprising a means (11) for emitting color illuminants expressed as luminous flux of colors and an electronic color image sensor (12), for measuring the uniform diffuse reflectance ROBJ(λ) at least at one point on an object (30) placed in a zone located opposite and substantially perpendicular to the said means (11) capable of emitting colors and located in the field of vision of the said electronic color image sensor (12) and being subjected to an external illuminant expressed as a constant and unknown external environmental luminous flux (40) denoted Iext(λ).

    Spectra shaping device for chirped pulse amplification
    173.
    发明授权
    Spectra shaping device for chirped pulse amplification 有权
    用于啁啾脉冲放大的光谱整形装置

    公开(公告)号:US09158117B2

    公开(公告)日:2015-10-13

    申请号:US12735946

    申请日:2009-03-05

    Abstract: A spectra shaping apparatus for chirped pulse amplification(CPA) comprises a CTSI spectral decomposition system and a CTSI spectral synthesizing system being symmetrical, and a spectral modulating system composed of a diaphragm (10) and a plane spectra modulating reflector (5), wherein the CTSI spectral decomposition system totally expands a laser chirped pulse to a spectra plane, the spectral modulating system performs a spectra modulation on the image plane, and the CTSI spectral synthesizing system reverts the modulated spectra into the chirped pulse without distortion, thereby realizing spectra shaping. The apparatus has the feature of manufacturing easy, compacting structure, requiring less space, and cheap in cost etc., which can be different types of configuration for different circumstance application, and which can be utilized in a general laser spectrum shaping and spectrum modulation, especially for a high energy and ultra-high peak-power laser system with a large caliber and a broadband of pulse.

    Abstract translation: 用于啁啾脉冲放大(CPA)的光谱整形装置包括对称的CTSI光谱分解系统和CTSI光谱合成系统,以及由光阑(10)和平面光谱调制反射器(5)组成的光谱调制系统,其中 CTSI光谱分解系统将激光啁啾脉冲完全扩展到光谱平面,光谱调制系统在图像平面上进行光谱调制,CTSI光谱合成系统将调制光谱恢复为无畸变的啁啾脉冲,从而实现光谱整形。 该装置具有制造容易,压实结构的特点,需要较少的空间和便宜的成本等,可以为不同情况应用的不同类型的配置,并且其可以用于一般的激光频谱整形和频谱调制, 特别适用于具有大口径和宽带脉冲的高能量和超高峰值功率激光系统。

    SPECTRAL BALANCING TECHNIQUE
    174.
    发明申请
    SPECTRAL BALANCING TECHNIQUE 有权
    光谱平衡技术

    公开(公告)号:US20150049386A1

    公开(公告)日:2015-02-19

    申请号:US13967884

    申请日:2013-08-15

    Abstract: A spectral instrument including a light source configured to produce a light beam, the light beam comprising a plurality of wavelengths, and the light beam being about collimated or pseudo-collimated. The spectral instrument also includes a spectral dispersion device in optical communication with the light source. The spectral instrument also includes a screen disposed in the optical path after the spectral dispersion device. The screen comprises a material configured to be substantially opaque to at least some of the plurality of wavelengths. The screen is sized and dimensioned to at least partially block selected ones of the plurality of wavelengths. The screen is movable with respect to an axis of the screen. The spectral instrument also includes an imaging lens disposed in the optical path and disposed either after the screen or before the screen.

    Abstract translation: 一种光谱仪器,包括被配置为产生光束的光源,所述光束包括多个波长,并且所述光束是关于准直的或伪准直的。 光谱仪器还包括与光源光学通信的光谱色散装置。 光谱仪器还包括在光谱分散装置之后设置在光路中的屏幕。 屏幕包括被配置为对多个波长中的至少一些基本上不透明的材料。 屏幕的尺寸和尺寸被设计成至少部分地阻挡多个波长中的选定的波长。 屏幕可相对于屏幕的轴线移动。 光谱仪器还包括设置在光路中并置于屏幕之后或屏幕之前的成像透镜。

    GAS DETECTION SYSTEM AND RADIATION EMITTING DEVICE FOR THE GAS DETECTION SYSTEM
    175.
    发明申请
    GAS DETECTION SYSTEM AND RADIATION EMITTING DEVICE FOR THE GAS DETECTION SYSTEM 有权
    气体检测系统和气体检测系统的辐射发射装置

    公开(公告)号:US20140131581A1

    公开(公告)日:2014-05-15

    申请号:US13846283

    申请日:2013-03-18

    Abstract: A gas detection system comprising a case having a hollow chamber, a gas input port, a gas output port, a radiation emitting device, and a photo detector. The gas input port may be disposed on the case for a test gas flowing into the chamber. The gas output port may be disposed on the case for the test gas flowing out of the chamber. The radiation emitting device may be disposed on the case and operated in a surface plasmonic mode or a waveguide mode for emitting a narrow bandwidth thermal radiation light source with multi-peak wavelengths into the chamber, wherein the multi-peak wavelengths may comprise a first absorption wavelength and a second absorption wavelength of the test gas. The photo detector may be disposed on the case for detecting light intensity of the light source passing through the chamber to determine the concentration of the test gas.

    Abstract translation: 一种气体检测系统,包括具有中空室的壳体,气体输入端口,气体输出端口,辐射发射装置和光电检测器。 气体输入端口可以设置在壳体上用于流入室中的测试气体。 气体输出口可以设置在壳体上,用于从腔室流出的测试气体。 辐射发射装置可以设置在壳体上并以表面等离子体激发模式或波导模式操作,用于将具有多峰波长的窄带宽热辐射光源发射到腔室中,其中多峰波长可以包括第一吸收 波长和第二吸收波长。 光检测器可以设置在壳体上,用于检测通过室的光源的光强度,以确定测试气体的浓度。

    Variable-spectrum solar simulator
    176.
    发明授权
    Variable-spectrum solar simulator 有权
    变频太阳能模拟器

    公开(公告)号:US08579446B2

    公开(公告)日:2013-11-12

    申请号:US13257465

    申请日:2010-03-26

    Abstract: The invention relates to a variable-spectrum solar simulator for characterising photovoltaic systems. The simulator can be used to obtain a spectrum adjusted to the solar spectrum, both for a standard spectrum or a real spectrum adjusted to local irradiation conditions. The simulator also allows the spatial-angular characteristics of the sun to be reproduced. The invention comprises: a broad-spectrum light source, the flux from which is emitted through an aperture; an optical system which collimates the primary source; a system which disperses the beam chromatically; an optical system which forms an image of the dispersed primary source at a given position, at which a spatial mask is placed in order to filter the received irradiance spectrally; an optical system which captures the filtered spectrum and returns, mixes and concentrates same in a secondary source with the desired spectral, angular, and spatial characteristics; an optical system which collimates the secondary source such that it reproduces the angular characteristics of the sun; and a control system.

    Abstract translation: 本发明涉及用于表征光伏系统的可变光谱太阳模拟器。 可以使用模拟器来获得调整到太阳光谱的光谱,无论是对于调整到局部照射条件的标准光谱或实际光谱。 模拟器还允许重现太阳的空间角特性。 本发明包括:广谱光源,通过孔径射出的光通量; 准直主源的光学系统; 色散分散光束的系统; 光学系统,其在给定位置处形成分散的初级源的图像,在该位置放置空间掩模以频谱地滤除接收的辐照度; 捕获滤波光谱并返回,混合并集中在具有期望光谱,角度和空间特性的次级光源中的光学系统; 准直次级光源的光学系统,使其再现太阳的角度特性; 和控制系统。

    Spectra shaping scheme for chirped pulse amplification
    178.
    发明授权
    Spectra shaping scheme for chirped pulse amplification 失效
    用于啁啾脉冲放大的光谱整形方案

    公开(公告)号:US08520297B2

    公开(公告)日:2013-08-27

    申请号:US12735945

    申请日:2009-03-05

    Abstract: A spectrum shaping scheme for chirped pulse amplification (CPA): uses a spectrum decomposing system with CTSI construction, a spectrum synthesizing system with CTSI structure that is symmetrical to the decomposing structure, and a spectrum shaping system including an aperture and a planar reflector for spectrum shaping function design. The scheme includes the following steps: firstly decomposing the spectrum of a chirped temporal pulse laser to a spectral domain; then shaping the spectrum in the spectral domain; finally synthesizing un-shiftily this shaped spectrum in the spectral domain into a temporal chirped pulse with a designed shape. The scheme has the benefit that it can be not only utilized in a general laser spectrum shaping and spectrum modulation, but also can be utilized for a high energy and ultra-high peak-power laser system in chirped pulse amplification with a large caliber and with a chirped pulse bandwidth of a few nanometers.

    Abstract translation: 啁啾脉冲放大(CPA)的频谱整形方案:使用具有CTSI结构的频谱分解系统,具有与分解结构对称的CTSI结构的频谱合成系统,以及包括孔径和平面反射器的频谱整形系统 整形功能设计。 该方案包括以下步骤:首先将啁啾脉冲激光的频谱分解为频域; 然后在光谱域中整形光谱; 最后在频谱域中将该形状谱非移动地合成具有设计形状的时间啁啾脉冲。 该方案的优点在于不仅可用于通用激光光谱整形和光谱调制,而且还可用于具有大口径的啁啾脉冲放大中的高能量和超高峰值功率激光系统,并具有 啁啾脉冲带宽为几纳米。

    Color processing apparatus and color processing method
    179.
    发明授权
    Color processing apparatus and color processing method 有权
    彩色处理装置和色彩处理方法

    公开(公告)号:US08482796B2

    公开(公告)日:2013-07-09

    申请号:US12909618

    申请日:2010-10-21

    Abstract: A color processing apparatus according to the present invention is a color processing apparatus that calculates spectral reflectance including a fluorescent component in a sample under a target illuminant. The color processing apparatus includes first means for inputting, for each of a plurality of waveform types, spectral radiance including an excitation wavelength region and the amount of fluorescence in the sample corresponding to the spectral radiance; second means for determining, from spectral radiance of the target illuminant including the excitation wavelength region and the input spectral radiance and amount of fluorescence, the amount of fluorescence in the sample under the target illuminant; third means for inputting spectral reflectance excluding the fluorescent component in the sample; and fourth means for determining, by using the determined amount of fluorescence in the sample under the target illuminant and the input spectral reflectance excluding the fluorescent component in the sample, spectral reflectance including the fluorescent component in the sample under the target illuminant.

    Abstract translation: 根据本发明的颜色处理装置是一种颜色处理装置,其计算包含目标光源下的样品中的荧光成分的光谱反射率。 彩色处理装置包括:第一装置,用于对于多个波形类型中的每一个输入包括激发波长区域的光谱辐射和对应于光谱辐射度的样品中的荧光量; 第二装置,用于从包括激发波长区域的目标光源和输入光谱辐射度和荧光量的光谱辐射度确定目标光源下的样品中的荧光量; 用于输入除了样品中的荧光成分的光谱反射率的第三装置; 以及第四装置,用于通过使用目标光源下的样品中确定的荧光量和不包括样品中的荧光成分的输入光谱反射率来确定包括目标光源下的样品中的荧光成分的光谱反射率。

    Self-collimator concave spectral shaping device for chirped-pulse-amplification
    180.
    发明授权
    Self-collimator concave spectral shaping device for chirped-pulse-amplification 失效
    用于啁啾脉冲放大的自准直凹凹光谱整形装置

    公开(公告)号:US08422125B2

    公开(公告)日:2013-04-16

    申请号:US12735943

    申请日:2009-03-05

    Abstract: A self-collimator concave spectral shaping device for chirped-pulse-amplification (CPA): uses a spectrum decomposing system with CTSI construction, a spectrum synthesizing system with CTSI structure that is symmetrical to the decomposing structure, and a spectrum shaping system including an aperture and a planar reflector for spectrum shaping function design. The device accomplishes the following functions: firstly decomposing the spectrum of a chirped temporal pulse laser to a spectral domain; then shaping the spectrum in the spectral domain; finally synthesizing un-shiftily this shaped spectrum in the spectral domain into a temporal chirped pulse with a designed shape. The device has the feature of requiring less optical components, compacting the structure, requiring less space, cheap in cost, and running stability, for its small size of concave reflector, and its self-collimation and its symmetrical distribution, which it can be not only utilized in a general laser spectrum shaping and spectrum modulation, but also can be utilized for a high energy and ultra-high peak-power laser system in chirped pulse amplification with a large caliber and with a chirped pulse bandwidth of a few nanometers.

    Abstract translation: 用于啁啾脉冲放大(CPA)的自准直凹凹光谱整形装置:使用具有CTSI结构的频谱分解系统,具有与分解结构对称的CTSI结构的频谱合成系统,以及包括孔径的频谱整形系统 以及用于频谱整形功能设计的平面反射器。 该设备完成以下功能:首先将啁啾脉冲激光的频谱分解为频域; 然后在光谱域中整形光谱; 最后在频谱域中将该形状谱非移动地合成具有设计形状的时间啁啾脉冲。 该器件具有要求较少的光学部件,压实结构,需要更少的空间,便宜的成本和运行稳定性,因为其小尺寸的凹面反射器,以及其自准直和对称分布,其不可能 仅用于一般的激光光谱整形和光谱调制,而且还可以用于具有大口径和啁啾脉冲带宽为几纳米的啁啾脉冲放大中的高能量和超高峰值功率激光系统。

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