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公开(公告)号：US20130335735A1
公开(公告)日：2013-12-19
申请号：US13916813
申请日：2013-06-13
Inventor： Patanjali Kambhampati , Jonathan Saari , Pooja Tyagi
CPC classification number: G01J3/10 , G01J3/0224 , G01J3/08 , G01J3/1256 , G01J3/433 , G01J3/453 , G01J9/02
Abstract: Two dimensional (2D) optical spectroscopy, wherein the spectrum has an excitation and an emission axis, reveals information formerly hidden in one-dimensional (1D) optical spectroscopy. However, current two dimensional optical spectroscopy systems are complex laboratory arrangements and accordingly limited in deployment. According to embodiments of the invention a monolithic platform providing significantly reduced complexity and increased robustness is provided allowing for “black-box” modules allowing commercial deployment of 2D optical spectroscopy instruments. Additionally, the invention supports high pulse repetition rates as well as one quantum and two quantum measurements under electronic control.
Abstract translation: 二维（2D）光谱，其中光谱具有激发和发射轴，揭示了先前隐藏在一维（1D）光谱中的信息。 然而，目前的二维光谱系统是复杂的实验室布置，因此在部署中受到限制。 根据本发明的实施例，提供了提供显着降低的复杂性和增强的鲁棒性的单片平台，允许允许商业部署2D光谱仪器的“黑箱”模块。 此外，本发明支持高脉冲重复率以及电子控制下的一个量子和两个量子测量。
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公开(公告)号：US20120300209A1
公开(公告)日：2012-11-29
申请号：US13450844
申请日：2012-04-19
Applicant: Mark Francis Witinski , Pietro Malara , Gianluca Gagliardi
Inventor： Mark Francis Witinski , Pietro Malara , Gianluca Gagliardi
IPC: G01J3/42
CPC classification number: G01J3/433 , G01N21/031 , G01N21/3504 , G01N21/359 , G01N21/39 , G01N2021/399 , G01N2201/067 , G01N2201/0691
Abstract: An absorption spectroscopy instrument with a light source for providing a beam of light, a modulator to produce a modulated beam of light, a high finesse optical cavity, means for injecting the modulated beam of light off-axis into the high finesse optical cavity and a detector positioned to receive and measure light exiting through said optical cavity. The detector may be a highly sensitive and high bandwidth detector. The modulator may be a one or two-tone modulator having means, such as a plurality of RF synthesizers, for modulating the light source by one or two tones. If one tone of applied modulation is used, the frequency is larger than the absorption bandwidth of the target chemical. In the case where two tones are used, the first frequency is larger than the absorption bandwidth of the target chemical and the second frequency is small relative to the first frequency.
Abstract translation: 一种具有用于提供光束的光源的吸收光谱仪器，用于产生调制光束的调制器，高精细度的光学腔，用于将调制的光束离轴注入到高精细光腔中的装置，以及 检测器定位成接收和测量通过所述光腔排出的光。 检测器可以是高灵敏度和高带宽检测器。 调制器可以是具有用于将光源调制一个或两个音调的装置的多个RF合成器的单调制或双色调制器。 如果使用一种应用调制色调，则频率大于目标化学物质的吸收带宽。 在使用两个音调的情况下，第一频率大于目标化学品的吸收带宽，而第二频率相对于第一频率较小。
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公开(公告)号：US20120212731A1
公开(公告)日：2012-08-23
申请号：US13402207
申请日：2012-02-22
Applicant: Hans-Peter Loock , Helen Waechter
Inventor： Hans-Peter Loock , Helen Waechter
CPC classification number: G01J3/42 , G01J3/427 , G01J3/433 , G01N21/7746 , G01N2021/7776 , G01N2021/7779 , G01N2021/7783
Abstract: Described are methods for multi-wavelength cavity ring-down spectroscopy; comprising simultaneously and continuously irradiating an optical cavity with light at two or more different wavelengths, each light being intensity-modulated at a different modulation frequency, detecting the light of two or more wavelengths after the light has travelled through the optical cavity; measuring an optical loss of each detected light; and determining a characteristic of the optical cavity from the optical loss of each detected light. Also described are apparatus and systems for multi-wavelength cavity ring-down spectroscopy.
Abstract translation: 描述了多波长腔体衰减光谱法的方法; 包括以两个或更多个不同波长的光同时且持续地照射光腔，每个光以不同的调制频率进行强度调制，在光已经穿过光腔之后检测两个或更多个波长的光; 测量每个检测到的光的光学损耗; 以及从每个检测到的光的光损失确定光腔的特性。 还描述了用于多波长腔体衰减光谱的装置和系统。
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公开(公告)号：US20120044479A1
公开(公告)日：2012-02-23
申请号：US13212231
申请日：2011-08-18
Applicant: John F. Roulston , Daniel Mandelik
Inventor： John F. Roulston , Daniel Mandelik
CPC classification number: G01J3/108 , G01J3/42 , G01J3/433 , G01J3/4338 , G01J2003/4332 , G01N21/3581
Abstract: A terahertz spectrometer includes: a terahertz-wave emitter and a terahertz receiver elements. The terahertz wave generated by means of generating beat frequency corresponding to the difference between two rapidly tunable continuous wave lasers. Having a difference in time between the interrogating signal and the reference signal at the receiver end side, which corresponds to intermediate frequency (IF), not centered around the baseband, i.e. zero Hertz. The offset step size of the intermediate frequency from zero Hertz is linearly correlated to the position of the interrogated object position.
Abstract translation: 太赫兹光谱仪包括：太赫波发射器和太赫兹接收器元件。 通过产生对应于两个快速可调连续波激光器之间的差异的拍频产生的太赫兹波。 在询问信号和对应于中频（IF）的接收机端侧的参考信号之间的时间差不以基带为中心，即零赫兹。 中间频率从零赫兹的偏移步长与询问对象位置的位置线性相关。
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公开(公告)号：US20100315642A1
公开(公告)日：2010-12-16
申请号：US12746398
申请日：2008-12-05
Applicant: Jong Hann Chow , Malcolm Bruce Gray , Ian Charles Murray Littler , David Ernest McClelland
Inventor： Jong Hann Chow , Malcolm Bruce Gray , Ian Charles Murray Littler , David Ernest McClelland
IPC: G01N21/00
CPC classification number: G01M11/005 , G01J3/433 , G01N21/39 , G01N2021/391 , H01S3/1392 , H01S3/1398
Abstract: A system and method for spectroscopic detection of a loss in a resonator cavity. The system comprises: a tunable laser source for generating a laser beam; a frequency locking system for either locking the frequency of the laser beam to a resonance of the resonator cavity or locking the length of the cavity to the frequency of the laser beam; a first modulation element for modulating the laser beam at a first modulation frequency to generate a modulated laser beam; an input coupler adapted for directing the modulated laser beam into the resonator cavity; a first directing element for directing a first portion of light reflected from the input coupler to a first photodetector to generate a first detected signal; and a first demodulator capable of demodulating the first modulation signal from the first detected signal to generate a first error signal which is a function of the loss in the resonator cavity.
Abstract translation: 用于光谱检测谐振器腔中的损耗的系统和方法。 该系统包括：用于产生激光束的可调激光源; 频率锁定系统，用于将激光束的频率锁定到谐振器腔的谐振或将腔的长度锁定到激光束的频率; 第一调制元件，用于以第一调制频率调制激光束以产生调制的激光束; 适于将调制的激光束引导到谐振腔中的输入耦合器; 用于将从所述输入耦合器反射的第一部分光引导到第一光电检测器以产生第一检测信号的第一引导元件; 以及第一解调器，其能够从第一检测信号解调第一调制信号，以产生作为谐振器腔中的损耗的函数的第一误差信号。
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Patent Agency Ranking
公开(公告)号：US07812311B2
公开(公告)日：2010-10-12
申请号：US11607813
申请日：2006-12-01
Applicant: Matthew F. DeCamp , Andrei Tokmakoff
Inventor： Matthew F. DeCamp , Andrei Tokmakoff
CPC classification number: G01J3/433 , G01J3/2803 , G01J3/457 , H01L27/148
Abstract: Preferred embodiments of the invention provide for methods and systems of 2D spectroscopy using ultrafast, first light and second light beams and a CCD array detector. A cylindrically-focused second light beam interrogates a target that is optically interactive with a frequency-dispersed excitation (first light) pulse, whereupon the second light beam is frequency-dispersed at right angle orientation to its line of focus, so that the horizontal dimension encodes the spatial location of the second light pulse and the first light frequency, while the vertical dimension encodes the second light frequency. Differential spectra of the first and second light pulses result in a 2D frequency-frequency surface equivalent to double-resonance spectroscopy. Because the first light frequency is spatially encoded in the sample, an entire surface can be acquired in a single interaction of the first and second light pulses.
Abstract translation: 本发明的优选实施例提供了使用超快，第一光和第二光束以及CCD阵列检测器的二维光谱的方法和系统。 圆柱聚焦的第二光束询问与频率分散激发（第一光）脉冲光学交互的目标，于是第二光束以直角定向频率分散到其焦点线，使得水平尺寸 编码第二光脉冲和第一光频率的空间位置，而垂直尺寸编码第二光频率。 第一和第二光脉冲的差分光谱导致二次频率频率相当于双共振光谱。 由于第一光频率在样本中进行空间编码，所以可以在第一和第二光脉冲的单一相互作用中获得整个表面。
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127.发明授权公开(公告)号：US07755051B2
公开(公告)日：2010-07-13
申请号：US11762968
申请日：2007-06-14
Applicant: Christian-Peter Christiansen , Hans-Joachim Ploss , Richard Mertens , Heino Prinz
Inventor： Christian-Peter Christiansen , Hans-Joachim Ploss , Richard Mertens , Heino Prinz
IPC: G01N21/35
CPC classification number: G01N21/9027 , G01J3/28 , G01J3/42 , G01J3/433 , G01N21/274 , G01N21/3563 , G01N21/359 , G01N21/90 , G01N2201/08
Abstract: The present invention relates to a method for quantifying the composition of a product, including: irradiating the product with a radiation source in the near infrared range; receiving radiation which is reflected by or transmitted through the product; providing an output signal corresponding to the intensity of the radiation received at a number of different wavelengths; and determining whether or not the product lies within predetermined integrity criteria on the basis of the output signal using a mathematical method. The moving product contains a solution or homogeneous dispersion and the content of at least one substance contained in the dispersion or solution is quantitatively determined on the basis of the output signal. The invention also relates to a device for carrying out this method.
Abstract translation: 本发明涉及一种定量产品组成的方法，包括：用近红外范围的辐射源照射产品; 接收由产品反射或透过产品的辐射; 提供与在多个不同波长处接收的辐射的强度对应的输出信号; 以及基于使用数学方法的输出信号来确定产品是否处于预定的完整性标准内。 移动产品含有溶液或均匀分散体，并且基于输出信号定量确定分散液或溶液中所含的至少一种物质的含量。 本发明还涉及一种用于执行该方法的装置。
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公开(公告)号：US20100103413A1
公开(公告)日：2010-04-29
申请号：US12520577
申请日：2007-12-19
Applicant: Christoph Gohle , Albert Schliesser , Theodor W. Haensch
Inventor： Christoph Gohle , Albert Schliesser , Theodor W. Haensch
Abstract: A spectroscopic analysis of a sample includes arranging the sample in a resonator cavity for transmitting cavity mode frequencies with a cavity mode frequency spacing, coupling pulsed source light into the resonator cavity, with the source light including source comb frequencies with a source frequency spacing, coupling pulsed transmitted light out of the resonator cavity, and spectrally resolved detecting the transmitted light with a detector device. The cavity mode frequency spacing and the source frequency spacing are detuned relative to each other, so that the transmitted light includes transmitted comb frequencies with a spacing larger than the source frequency spacing. The detecting feature includes collecting spectral distributions of the transmitted light in dependence on relative positions of the cavity mode frequencies and the source comb frequencies. The cavity mode frequencies and the source comb frequencies are varied relative to each other and different transmitted comb frequencies are individually resolved.
Abstract translation: 样品的光谱分析包括将样品布置在谐振腔中，用于传输具有腔模式频率间隔的腔模式频率，将脉冲源光耦合到谐振腔中，源光包括源频间隔的源梳状频率，耦合 将脉冲透射的光从谐振器腔中排出，并用检测器装置进行光谱解析检测透射光。 空腔模式频率间隔和源频率间隔相对于彼此失谐，使得透射光包括间隔大于源频率间隔的发射梳状频率。 检测特征包括根据腔模式频率和源梳状频率的相对位置收集透射光的光谱分布。 腔模式频率和源梳状频率相对彼此变化，并且不同的发射梳状频率被单独分辨。
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公开(公告)号：US20100097613A1
公开(公告)日：2010-04-22
申请号：US12524335
申请日：2008-01-23
Applicant: Heikki Saari
Inventor： Heikki Saari
CPC classification number: G01J3/10 , G01J3/26 , G01J3/433 , G02B26/001
Abstract: The invention relates to a spectrometer for material analysis and to a control method for a spectrometer. The spectrometer includes a radiant source (140) formed by multiple single radiation sources (141) having different central wavelengths, for generating a measuring signal, a measurement object (100) containing a material to be analyzed, at least one electrically tunable Fabry-Perot filter (120, 220) for the band pass filtering the measuring signal by at least two pass bands, and a detector (300, 400) for detecting said filtered measuring signals received from the measurement object (100). In accordance with the invention the spectrometer has means (312) for modulating each of the single radiation sources (141) and correspondingly means (307, 309) for demodulating the detected signals such that the signal from each single radiation source can be distinguished from each other in the detector (300, 400), and the spectrometer has means for detecting (300, 400) and demodulating (306, 307) multiple pass bands simultaneously.
Abstract translation: 本发明涉及用于材料分析的光谱仪和用于光谱仪的控制方法。 光谱仪包括由具有不同中心波长的多个单一辐射源（141）形成的用于产生测量信号的辐射源（140），包含待分析材料的测量对象（100），至少一个电可调节法布里 - 珀罗 滤波器（120,220），用于通过至少两个通带对测量信号进行带通滤波;以及检测器（300,400），用于检测从测量对象（100）接收的所述滤波的测量信号。 根据本发明，光谱仪具有用于调制单个辐射源（141）和对应装置（307,309）中的每一个的装置（312），用于解调检测到的信号，使得可以将每个单个辐射源的信号与每个辐射源 另一个在检测器（300,400）中，并且光谱仪具有同时检测（300,400）和解调（306,307）多个通带的装置。
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公开(公告)号：US20090297142A1
公开(公告)日：2009-12-03
申请号：US12127507
申请日：2008-05-27
Applicant: Bogdan Szafraniec , Douglas M. Baney
Inventor： Bogdan Szafraniec , Douglas M. Baney
IPC: H04B17/00
CPC classification number: G01J3/433 , G01J3/02 , G01J3/0218 , G01J2003/1265
Abstract: An optical spectrum analyzer and a method of spectrally analyzing an optical signal. The optical spectrum analyzer includes a wave shaper such as an optical modulator that shapes an optical signal, a dispersive element such as a dispersive fiber in which the shaped optical signal is dispersed, a detector that provides an output signal indicative of the dispersed shaped optical signal, and a signal processor that analyzes the output signal, for example by calculating a transform such as an inverse Fourier transform or a Fourier transform of the output signal, to provide a frequency spectrum of the optical signal.
Abstract translation: 光谱分析仪和光信号的光谱分析方法。 光谱分析仪包括诸如光调制器的波整形器，其形成光信号，分散元件如分散光纤，其中分布有成形光信号的检测器，提供表示分散的成形光信号的输出信号 以及分析输出信号的信号处理器，例如通过计算诸如反相傅立叶变换或输出信号的傅里叶变换的变换来提供光信号的频谱。
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