-
公开(公告)号：US20180275223A1
公开(公告)日：2018-09-27
申请号：US15468397
申请日：2017-03-24
IPC分类号： G01R33/26 , G01R33/032 , G01R33/60
CPC分类号： G01R33/26 , G01N24/10 , G01R33/032 , G01R33/60
摘要： Some methods and configurations are disclosed for high bandwidth acquisition of magnetometer data with increased sensitivity. Some embodiments provide for increased bandwidth and sensitivity of the magnetometer by eliminating a reference signal for full repolarization of the magneto-optical defect center material prior to acquisition. Elimination of the reference signal eliminates the time needed to repolarize the magneto-optical defect center material and the acquisition time for the reference signal. Some implementations can include activating a radiofrequency (RF) pulse sequence to apply an RF field to the magneto-optical defect center material and acquiring a magnetic field measurement using the magneto-optical defect center material. The magnetic field measurement may be acquired independent of a reference magnetic field measurement.
-
2.发明申请公开(公告)号：US20180267128A1
公开(公告)日：2018-09-20
申请号：US15463074
申请日：2017-03-20
发明人： Santiago Serrano Guisan , Luc Thomas , Son Le , Guenole Jan
IPC分类号： G01R33/60 , G01R33/345
CPC分类号： G01R33/60 , G01N24/10 , G01R31/318511 , G01R33/30 , G01R33/345 , H01L43/08 , H01L43/10 , H01P5/18
摘要： A ferromagnetic resonance (FMR) measurement system is disclosed with a waveguide transmission line (WGTL) connected at both ends to a mounting plate having an opening through which the WGTL is suspended. While the WGTL bottom surface contacts a portion of magnetic film on a whole wafer, a plurality of microwave frequencies is sequentially transmitted through the WGTL. Simultaneously, a magnetic field is applied to the contacted region thereby causing a FMR condition in the magnetic film. After RF output is transmitted through or reflected from the WGTL to a RF detector and converted to a voltage signal, effective anisotropy field, linewidth, damping coefficient, and/or inhomogeneous broadening are determined based on magnetic field intensity, microwave frequency and voltage output. A plurality of measurements is performed by controllably moving the WGTL or wafer and repeating the simultaneous application of microwave frequencies and magnetic field at additional preprogrammed locations on the magnetic film.
-
公开(公告)号：US20180224414A1
公开(公告)日：2018-08-09
申请号：US15891034
申请日：2018-02-07
申请人： MICROSILICON INC.
发明人： Omar Kulbrandstad , Aydin Babakhani , Manuel Godoy , John Lovell
CPC分类号： G01N33/0031 , E21B49/08 , E21B2049/085 , G01N24/10 , G01R33/24 , G01R33/3607 , G01R33/448 , G01R33/60 , G01V3/265 , G01V3/32
摘要： Certain aspects of the present disclosure provide methods and apparatus for closed-loop control of a system using one or more electron paramagnetic resonance (EPR) sensors located on-site. With such EPR sensors, a change can be applied to the system, the EPR sensors can measure the effect(s) of the change, and then adjustments can be made in real-time. This feedback process may be repeated continuously to control the system.
-
公开(公告)号：US09964610B2
公开(公告)日：2018-05-08
申请号：US14812654
申请日：2015-07-29
CPC分类号： G01R33/26 , G01N24/006 , G01N24/10
摘要： A zero-field paramagnetic resonance magnetometer (ZF-PRM) system and method for quickly and efficiently finding and optimizing the zero-field (ZF) resonance is described. In this system and method a magnetic coil is used to apply a magnetic bias field in the direction of the pump beam to artificially broaden the width and maximize the strength of the ZF resonance. By making the ZF resonance easy to detect, the ZF resonance may be found quickly found without the use of additional components and complex algorithms. Once the ZF resonance is found, a compensating magnetic field can be applied to null the magnetic field in the vicinity of the vapor cell in the ZF-PRM, thereby initializing it for operation.
-
公开(公告)号：US09632045B2
公开(公告)日：2017-04-25
申请号：US14227076
申请日：2014-03-27
发明人： Dirk R. Englund , Edward H. Chen , Ophir Gaathon
CPC分类号： G01N24/006 , G01N21/6402 , G01N21/6458 , G01N24/10 , G01R33/323
摘要： Techniques for deterministic switch microscopy include resolving at least one nitrogen vacancy center in a diamond structure. A magnetic field can be applied across the diamond structure and the nitrogen vacancy centers can be optically excited. The nitrogen vacancy centers can be switched from a dark state to a bright state or a bright state by a dark state by applying at least one microwave pulse. A fluorescent response of each nitrogen vacancy center can be detected and a nitrogen vacancy center can be resolved based on the fluorescent response of each nitrogen vacancy center as it corresponds to the orientation of the nitrogen vacancy center relative to the applied magnetic field.
-
公开(公告)号：US09551773B2
公开(公告)日：2017-01-24
申请号：US14006153
申请日：2012-03-21
申请人： Peter Vaes , Stephanie Teughels
发明人： Peter Vaes , Stephanie Teughels
摘要： A system and method involve performing electron paramagnetic resonance on an object under study. The system comprises a first field generator adapted for generating an orienting magnetic field for orienting the magnetization of the object under study and a second field generator adapted for generating RF excitation waves at a frequency to generate electron paramagnetic resonance (EPR) in the object under test. The system also comprises a detection unit adapted for detecting the EPR signals emitted by the object under test and a control unit adapted for controlling the relative orientation of the orienting magnetic field induced by the first field generator with respect to the detection unit. The system furthermore comprises a processing unit programmed for combining detected EPR signals obtained using different relative orientations of the orienting magnetic field with respect to the detection unit.
摘要翻译： 一种系统和方法涉及在正在研究的物体上进行电子顺磁共振。 该系统包括第一场发生器，其适于产生用于定向被研究物体的磁化的定向磁场和适于产生频率上的RF激发波的第二场发生器，以在被测物体中产生电子顺磁共振（EPR） 。 该系统还包括一个检测单元，用于检测被测物体发出的EPR信号，以及一个控制单元，用于控制由第一场发生器相对于检测单元感应的定向磁场的相对取向。 该系统还包括处理单元，其被编程用于组合使用定向磁场的不同相对取向获得的相对于检测单元的检测到的EPR信号。
-
7.发明授权Method of and apparatus for in-situ measurement of soot by electron spin resonance (ESR) spectrometry 有权通过电子自旋共振（ESR）光谱法原位测量烟灰的方法和设备公开(公告)号：US09546970B2
公开(公告)日：2017-01-17
申请号：US13532684
申请日：2012-06-25
摘要： An instrument and method using electron spin resonance spectrometry for measuring the concentration of airborne soot particles, and the like, that includes continuously passing a sample of exhaust gas through a resonating RF microwave cavity resonator during the application therethrough of a uniform slowly varying uniform magnetic field that is rapidly modulated and measuring the resulting phase modulation or amplitude modulation thereof to derive an electron spin resonance signal that directly senses the concentration of carbon free radicals produced as a result of inefficient combustion of hydrocarbons during operation of the vehicle or boiler. A further invention is the use of this signal for feedback control of the engine or boiler operating parameters to minimize or substantially eliminate particulate matter emissions.
摘要翻译： 使用电子自旋共振光谱法测量气载烟灰颗粒的浓度的仪器和方法等，其包括在通过其中通过谐振RF微波空腔共振器连续通过排气样品的均匀缓慢变化的均匀磁场 其被快速调制并测量所得到的相位调制或幅度调制，以导出电子自旋共振信号，其直接感测由于在车辆或锅炉的操作期间烃的低效燃烧而产生的碳自由基的浓度。 另一个发明是使用该信号来对发动机或锅炉操作参数进行反馈控制，以最小化或基本上消除颗粒物质的排放。
-
公开(公告)号：US09448291B2
公开(公告)日：2016-09-20
申请号：US14349518
申请日：2012-10-04
发明人： Edmund Y. Ting , Alexander Lazarev
CPC分类号： G01R33/305 , G01N24/10 , G01R33/60
摘要： The present invention is related to systems and methods for chemical and biological analysis and, in particular, to systems, apparatus, and methods of sample conditioning and analysis.
摘要翻译： 本发明涉及用于化学和生物分析的系统和方法，特别涉及样品调节和分析的系统，装置和方法。
-
公开(公告)号：US20160109540A1
公开(公告)日：2016-04-21
申请号：US14787575
申请日：2014-01-31
IPC分类号： G01R33/28 , G01R33/385 , G01R33/50 , G01R33/56
CPC分类号： G01R33/282 , G01N24/08 , G01N24/10 , G01R33/30 , G01R33/3804 , G01R33/3856 , G01R33/44 , G01R33/50 , G01R33/56 , G01R33/60
摘要： In some aspects, polarization of a spin ensemble can be increased using cavity-based techniques. A resonator applies drive field to a spin ensemble in a static magnetic field. The drive field couples the spin ensemble with a cavity, and the coupling increases the polarization of the spin ensemble. In some cases, the cavity is detuned from the spin- resonance frequency, and the Rabi frequency associated with the drive field can be matched to the cavity detuning.
摘要翻译： 在一些方面，使用基于腔的技术可以增加旋转集合的极化。 谐振器在静态磁场中将驱动场施加到旋转组合。 驱动场将旋转组合与空腔耦合，并且耦合增加了旋转组合的极化。 在一些情况下，空腔与自旋共振频率失谐，与驱动场相关的Rabi频率可以与腔体失谐相匹配。
-
公开(公告)号：US20160077177A1
公开(公告)日：2016-03-17
申请号：US14787624
申请日：2014-01-31
发明人： Grum Teklemariam , David G. Cory
CPC分类号： G01R33/282 , G01N24/08 , G01N24/10 , G01R33/30 , G01R33/3804 , G01R33/3856 , G01R33/44 , G01R33/50 , G01R33/56 , G01R33/60
摘要： In some aspects, polarization of a spin ensemble can be increased using cavity-based techniques. A resonator applies a drive field to a spin ensemble in a sample in a static magnetic field. The drive field couples the spin ensemble with a cavity, and the coupling increases the polarization of the spin ensemble. In some cases, the sample is thermally insulated from the cavity, for example, to maintain the sample at a higher temperature than the cavity. In some implementations, the spin ensemble achieves a polarization that is higher than its thermal equilibrium polarization.
摘要翻译： 在一些方面，使用基于腔的技术可以增加旋转集合的极化。 谐振器将静态磁场中的驱动场施加到样品中的旋转组合。 驱动场将旋转组合与空腔耦合，并且耦合增加了旋转组合的极化。 在一些情况下，样品与空腔热绝缘，例如，以将样品保持在比空腔更高的温度。 在一些实施方案中，旋转集合实现了高于其热平衡极化的极化。
-
-
-
-
-
-
-
-
-
搜索结果
205 条记录 (耗时 0.029 秒)