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    • 82. 发明申请
    • TUNABLE LIGHT SOURCE SYSTEM AND METHOD HAVING WAVELENGTH REFERENCE CAPABILITY
    • 可变光源系统和具有波长参考能力的方法
    • WO2013049085A1
    • 2013-04-04
    • PCT/US2012/057160
    • 2012-09-26
    • CORNING INCORPORATEDTOVEY, Cameron John
    • TOVEY, Cameron John
    • G01N21/77G01J3/10
    • G01N21/774G01J3/10G01J3/12G01J3/26G01N2021/7776
    • A tunable light source system (200) capable of providing a reference to a wavelength tuning parameter comprises a tunable light source (106) for emitting a tunable light beam (134) having a tunable cen¬ ter wavelength based on a wavelength tuning parameter x, the tun¬ able light source generating an electrical signal (SF) representative of the wavelength tuning parameter; a light-deflecting element (300) disposed in the tunable light beam (134) for deflecting at least a por¬ tion (134P) of the tunable light beam; a reference filter (310) having a reference bandwidth and disposed to filter the deflected portion of the tunable light beam to form a filtered light beam (134PF); at least one photodetector (320) arranged to detect the filtered light beam and generate at least one detector electrical signal (SD) representa¬ tive of a detected light spectrum; and a controller (150) operably con¬ nected to the tunable light source and the photodetector and config¬ ured to receive the wavelength-tuning-parameter electrical signal and the at least one detector electrical signal and determine a reference wavelength tuning parameter x cR corresponding to a reference tun¬ able center wavelength based on a maximum value of the detected light spectrum.
    • 能够提供对波长调谐参数的参考的可调谐光源系统(200)包括用于发射具有基于波长调谐参数x的可调谐中心波长的可调谐光束(134)的可调谐光源(106) 所述可变光源产生代表所述波长调谐参数的电信号(SF); 设置在所述可调光束(134)中的光偏转元件(300),用于偏转所述可调光束的至少一部分(134P); 参考滤波器(310),具有参考带宽并被布置成对可调谐光束的偏转部分进行滤波以形成滤波光束(134PF); 至少一个光电检测器(320)被布置成检测滤波后的光束并产生代表检测到的光谱的至少一个检测器电信号(SD); 以及控制器(150),其可操作地连接到所述可调谐光源和所述光电检测器并且被配置为接收所述波长调谐参数电信号和所述至少一个检测器电信号,并且确定对应的参考波长调谐参数x cR 基于所检测到的光谱的最大值到参考可调谐中心波长。
    • 83. 发明申请
    • 光源装置
    • 光源设备
    • WO2011155026A1
    • 2011-12-15
    • PCT/JP2010/059688
    • 2010-06-08
    • 浜松ホトニクス株式会社福世 文嗣
    • 福世 文嗣
    • G02B26/00
    • G02B27/283G01J1/32G01J3/0224G01J3/12G01J2003/1213G01J2003/1243G01J2003/1247G01J2003/1282G01J2003/1286
    • この光源装置は、光源と、光源から照射された光のうち、所定の波長範囲の光を選択的に透過させる波長選択素子と、波長選択素子によって透過された光を互いに直交する2つの直線偏光成分である偏光成分に分離する偏光分離素子8と、それぞれの偏光成分の光軸に対して所定の角度範囲を成すように配置され、その角度範囲に応じて偏光成分の透過波長域が異なるように構成されたバンドパスフィルタとを備え、波長選択素子は、所定の角度範囲に対するバンドパスフィルタの透過波長域の範囲を少なくとも含む光を、偏光分離素子に向けて透過させる。
    • 本光源装置设有:光源; 选择性地允许来自光源的光的透射率在预定波长范围内的波长选择元件; 偏振分离元件(8),其将由波长选择元件透射的光分离成为彼此正交的两个线性偏振分量的极化分量; 以及带通滤波器,其被布置成相对于各个偏振分量的光轴形成预定的角度范围,并且被配置为使得偏振分量的透射波长带根据角度范围而不同。 至少包括对应于预定角度范围的带通滤波器的透射波段的范围的光通过波长选择元件传输到偏振分离元件。
    • 84. 发明申请
    • INTEGRATED CIRCUIT FOR SPECTRAL IMAGING SYSTEM
    • 用于光谱成像系统的集成电路
    • WO2011064403A1
    • 2011-06-03
    • PCT/EP2010/068575
    • 2010-11-30
    • IMECTACK, KlaasLAMBRECHTS, AndyHASPESLAGH, Luc
    • TACK, KlaasLAMBRECHTS, AndyHASPESLAGH, Luc
    • G01J3/26G01J3/28G01J3/12
    • G01J3/2823G01J3/12G01J3/26G01J3/2803G01J2003/1226G01J2003/265G01J2003/2806G01J2003/2826H04N5/332H04N5/378
    • An integrated circuit for an imaging system has an array of optical sensors (40), and an array of optical filters (10) each configured to pass a band of wavelengths onto one or more of the sensors, the array of optical filters being integrated with the array of sensors, and the integrated circuit also having read out circuitry (30) to read out pixel values from the array of sensors to represent an image, different ones of the optical filters being configured to have a different thickness, to pass different bands of wavelengths by means of interference, to allow detection of a spectrum of wavelengths. The read out circuitry can enable multiple pixels under one optical filter to be read out in parallel. The thicknesses may vary non monotonically across the array. The read out, or later image processing, may involve selection or interpolation between wavelengths, to carry out spectral sampling or shifting, to compensate for thickness errors.
    • 一种用于成像系统的集成电路具有光学传感器阵列(40)和每个被配置成将波长带传递到一个或多个传感器上的滤光器阵列(10),所述滤光器阵列与 所述传感器阵列和所述集成电路还具有读出电路(30),以从所述传感器阵列中读出像素值以表示图像,所述不同的所述滤光器被配置为具有不同的厚度以通过不同的带 的波长,以允许检测波长的光谱。 读出电路可以使一个光学滤波器下的多个像素平行读出。 厚度可以在整个阵列上单调变化。 读出或稍后的图像处理可能涉及波长之间的选择或插值,以进行频谱采样或移位,以补偿厚度误差。
    • 87. 发明申请
    • SYSTEMS AND METHODS FOR THERMAL SPECTRAL GENERATION, PROJECTION AND CORRELATION
    • 用于热谱生成,投影和相关的系统和方法
    • WO2010138424A1
    • 2010-12-02
    • PCT/US2010/035821
    • 2010-05-21
    • RAYTHEON COMPANYAYER, Kevin, W.
    • AYER, Kevin, W.
    • G01J3/12
    • G01J3/12G01J3/021G01J2003/1286
    • Systems and methods for generating, projecting or correlating thermal spectra use digital micro-mirror devices (DMDs) to controllably modulate input radiation such as long wave infrared light. An optical system for creating an output spectrum based upon an input light suitably includes a grating configured receive the input light and to spread the input light by wavelength into an input spectrum. A digital micro-mirror device (DMD) is configured to receive the input spectrum and to controllably activate mirrors in the DMD corresponding to selected wavelengths of the input light. Portions of the input light having selected wavelengths can be extracted from remaining portions of the input light for the output spectrum. By selecting and activating only certain mirrors on the DMD, particular wavelengths of light in infrared or other spectra can be optically switched for any number of subsequent applications, including spectral projection, simulation of solar or other spectra, detection of chemical substances, or the like.
    • 用于生成,投影或相关热谱的系统和方法使用数字微镜器件(DMD)来可控地调制诸如长波红外光的输入辐射。 用于基于输入光产生输出光谱的光学系统适当地包括被配置为接收输入光并将波长的输入光扩展成输入光谱的光栅。 数字微镜装置(DMD)被配置为接收输入光谱并且可控地激活对应于输入光的所选波长的DMD中的反射镜。 可以从用于输出光谱的输入光的剩余部分中提取具有所选波长的输入光的部分。 通过仅选择和激活DMD上的某些反射镜,红外线或其他光谱中的特定波长的光可以被光学切换以用于任何数量的后续应用,包括光谱投影,太阳能或其它光谱的模拟,化学物质的检测等 。
    • 89. 发明申请
    • A SPECTROMETER WITH A PLURALITY OF LIGHT GUIDES HAVING A BANDPASS TRANSMISSION SPECTRUM
    • 具有多重传输光谱的光导体的光谱仪
    • WO2008080406A3
    • 2008-08-28
    • PCT/DK2008000003
    • 2008-01-03
    • UNIV DANMARKS TEKNISKEALKESKJOLD THOMAS TANGGAARD
    • ALKESKJOLD THOMAS TANGGAARD
    • G01J3/02G01J3/12G02B6/02
    • G02B6/02347G01J3/02G01J3/0208G01J3/0218G01J3/0229G01J3/12G02B6/06
    • A spectrometer comprising a plurality of light guides (21). The light guides (21) have a longitudinal extent and are oriented substantially in a longitudinal direction. Further more, the light guides (21) each have a first end (23) for coupling in light to be spectrally analysed and a second end (24) for coupling out light and are arranged with a mutual distance in a transverse plane. The individual light guides (21) have, at least in a substantial part of their longitudinal extent, a transmission spectrum comprising at least a first bandpass region (11), wherein at least a number of the first bandpass regions (11) of the individual light guides (21) are different. Furthermore, the spectrometer comprises a plurality of detectors (26), which are arranged so as to detect light coupled out of the second end (24) of the light guides (21) in such a way that for each light guide (21) at least one detector (26) detects light from that light guide (21) only.
    • 一种包括多个光导(21)的光谱仪。 光导(21)具有纵向延伸并且基本上在纵向上取向。 此外,光导件(21)各自具有用于光耦合的光谱分析的第一端(23)和用于耦合出光的第二端(24)并且在横向平面中以相互距离布置。 各个光导件(21)至少在其纵向范围的至少大部分中具有包括至少第一带通区域(11)的透射光谱,其中个体的至少多个第一带通区域(11) 光导(21)不同。 此外,光谱仪包括多个检测器(26),其被布置成以这样的方式检测从光导(21)的第二端(24)耦合的光,使得对于每个光导(21)处于 至少一个检测器(26)仅检测来自该光导(21)的光。