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    • 2. 发明申请
    • ISOTROPIC METAMATERIAL LENS FOR MAGNETIC IMAGING APPLICATIONS
    • 用于磁性成像应用的等角度金属透镜
    • US20130002253A1
    • 2013-01-03
    • US13462384
    • 2012-05-02
    • Douglas H. WernerClara R. Baleine
    • Douglas H. WernerClara R. Baleine
    • G01R33/28
    • G01R33/36G01N24/084G01R33/302G01R33/441
    • Examples of the present invention include metamaterial lenses that allow enhanced resolution imaging, for example in MRI apparatus. An example metamaterial may be configured to have μ=−1 along three orthogonal axes. Superior performance was demonstrated using such improved designs, and in some examples, imaging resolution better than λ/500 was obtained. The use of one or more lumped reactive elements in a unit cell, such as one or more lumped capacitors and/or one or more lumped inductors, allowed unit cell dimensions and hence resolution to be dramatically enhanced. In some examples, a cubic unit cell was used with an essentially isotropic magnetic permeability of μ=−1 obtained at an operating electromagnetic frequency and wavelength (λ).
    • 本发明的实例包括允许增强分辨率成像的超材料透镜,例如在MRI装置中。 示例超材料可以被配置为沿着三个正交轴具有μ= -1。 使用这种改进的设计证明了优异的性能,并且在一些示例中,获得比λ/ 500更好的成像分辨率。 在诸如一个或多个集总电容器和/或一个或多个集总电感器之类的单元电池中使用一个或多个集总无功元件允许单元电池尺寸和因此分辨率被显着提高。 在一些实例中,使用在工作电磁频率和波长(λ)下获得的基本上各向同性磁导率μ= -1的立方晶胞。
    • 3. 发明授权
    • Isotropic metamaterial lens for magnetic imaging applications
    • 用于磁性成像应用的各向异性超材料透镜
    • US09140767B2
    • 2015-09-22
    • US13462384
    • 2012-05-02
    • Douglas H. WernerClara R. Baleine
    • Douglas H. WernerClara R. Baleine
    • G01R33/36G01N24/08G01R33/30G01R33/44
    • G01R33/36G01N24/084G01R33/302G01R33/441
    • Examples of the present invention include metamaterial lenses that allow enhanced resolution imaging, for example in MRI apparatus. An example metamaterial may be configured to have μ=−1 along three orthogonal axes. Superior performance was demonstrated using such improved designs, and in some examples, imaging resolution better than λ/500 was obtained. The use of one or more lumped reactive elements in a unit cell, such as one or more lumped capacitors and/or one or more lumped inductors, allowed unit cell dimensions and hence resolution to be dramatically enhanced. In some examples, a cubic unit cell was used with an essentially isotropic magnetic permeability of μ=−1 obtained at an operating electromagnetic frequency and wavelength (λ).
    • 本发明的实例包括允许增强分辨率成像的超材料透镜,例如在MRI装置中。 示例超材料可以被配置为沿着三个正交轴具有μ= -1。 使用这种改进的设计证明了优异的性能,并且在一些示例中,获得比λ/ 500更好的成像分辨率。 在诸如一个或多个集总电容器和/或一个或多个集总电感器之类的单元电池中使用一个或多个集总无功元件允许单元电池尺寸和因此分辨率被显着提高。 在一些实例中,使用在工作电磁频率和波长(λ)下获得的基本上各向同性磁导率μ= -1的立方晶胞。
    • 5. 发明申请
    • Portable bio-magnetic imager and method
    • 便携式生物磁性成像仪及方法
    • US20120105061A1
    • 2012-05-03
    • US12801799
    • 2010-06-25
    • Christina DrakeClara R. Baleine
    • Christina DrakeClara R. Baleine
    • G01R33/00
    • G01R33/10
    • Methods and apparatuses of the present invention perform imaging using a contrast agent and/or a metamaterials lens, together with a low magnetic field detector. The apparatus according to one embodiment comprises: a field source capable of generating a magnetic field directed to an area in a subject; a low magnetic field detector arranged downstream from the field source, the low magnetic field detector being capable of detecting a low magnetic field signature associated with the area in the subject; and a metamaterials lens arranged downstream from the field source, the metamaterials lens concentrating the magnetic field produced by the field source to the area in the subject, and/or concentrating back the magnetic signature from the area in the subject to the low magnetic field detector.
    • 本发明的方法和装置与低磁场检测器一起使用造影剂和/或超材料透镜进行成像。 根据一个实施例的装置包括:场源,其能够产生指向对象中的区域的磁场; 低磁场检测器,其布置在场源的下游,低磁场检测器能够检测与对象中的区域相关联的低磁场签名; 和超材料透镜,其设置在场源的下游,所述超材料透镜将由场源产生的磁场聚焦到所述对象中的区域,和/或将所述对象中的所述区域的磁性特征集中回所述低磁场检测器 。