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    • 1. 发明公开
    • DISPERSION INTERFEROMETER
    • 分散干扰仪
    • EP0645616A1
    • 1995-03-29
    • EP94919452.6
    • 1992-12-25
    • DRACHEV, Vladimir ProkopievichBABIN, Sergei AlexeevichZERROUK, Abdelmounaime Faousi
    • DRACHEV, Vladimir ProkopievichBABIN, Sergei AlexeevichZERROUK, Abdelmounaime Faousi
    • G01N21/45G01B9/02
    • G01N21/45
    • The invention concerns dispersion interferometers for measuring the dispersion component of the refractive index of a medium under investigation by an interferometric method. It can be used in the optics industry and as part of the diagnostic apparatus used in various plasma systems of the tokamak, stellarator or gas-discharge laser type. The dispersion interferometer comprises the following elements arranged along the optical axis: a light source emitting light of a given frequency; two non-linear optical frequency doublers the distance between which is such that the object under investigation can be accomodated between them; a light filter and a recording device. Also included is a polarizing beam splitter. The two non-linear optical frequency doublers are oriented in such a way that the directions of polarization of the fast waves are at right angles to each other and do not coincide with the directions of polarization which can be separated by the beam splitter and light source.
    • 本发明涉及用于通过干涉测量方法测量正在研究的介质的折射率的色散分量的色散干涉仪。 可用于光学工业,也可用作Tokamak,恒星或气体放电激光器的各种等离子体系统中使用的诊断装置的一部分。 分散干涉仪包括沿着光轴布置的以下元件:发射给定频率的光的光源; 两个非线性光学倍频器之间的距离使得被调查对象可以在它们之间容纳; 光滤波器和记录装置。 还包括偏振分束器。 两个非线性光学倍频器以这样的方式取向,使得快波的极化方向彼此成直角,并且与偏振方向不一致,该偏振方向可被分束器和光源分离 。
    • 3. 发明申请
    • PLASMONIC AND/OR MICROCAVITY ENHANCED OPTICAL PROTEIN SENSING
    • PLASMONIC和/或微观增强光学蛋白感测
    • WO2004038349A1
    • 2004-05-06
    • PCT/US2003/034085
    • 2003-10-24
    • PURDUE RESEARCH FOUNDATIONDRACHEV, VladimirSHALAEV, VladimirZHANG, DongmaoBEN-AMOTZ, Dor
    • DRACHEV, VladimirSHALAEV, VladimirZHANG, DongmaoBEN-AMOTZ, Dor
    • G01J3/44
    • G01N21/658G01J3/44
    • Instruments for molecular detection at the nano-molar to femto-molar concentration level include a longitudinal capillary column (10) of known wall thickness and diameter. The column (10) contains a medium (24) including a target molecule (30) and a plurality of optically interactive dielectric beads (26) on the order of about 10 -6 meters up to about 10 -3 meters and/or metal nanoparticles (31) on the order of 1-500 nm. A flow inducer (34) causes longitudinal movement of the target molecule within the column (10). A laser (14) introduces energy laterally with respect to the column (10) at a wavelength and in a direction selected to have a resonant mode within the capillary column wall (12) and couple to the medium (24). A detector (40) is positioned to detect Raman scattering occurring along the column (10) due to the presence of the target molecule.
    • 在纳摩尔至毫摩尔浓度水平下用于分子检测的仪器包括具有已知壁厚和直径的纵向毛细管柱(10)。 色谱柱(10)包含介质(24),其包括大约10 -6米至多约10 -3米的目标分子(30)和多个光学相互作用的电介质珠(26),以及 /或1-500nm量级的金属纳米粒子(31)。 流动诱导器(34)引起靶分子在柱(10)内的纵向运动。 激光器(14)相对于柱(10)在波长和选择为在毛细管柱壁(12)内具有共振模式并耦合到介质(24)的方向上横向引入能量。 定位探测器(40)以检测由于靶分子的存在而沿塔(10)发生的拉曼散射。
    • 5. 发明申请
    • NEAR FIELD SUPER LENS EMPLOYING TUNABLE NEGATIVE INDEX MATERIALS
    • 使用可调整的负性指标材料的近场超级透镜
    • WO2008133769A3
    • 2008-12-31
    • PCT/US2008002482
    • 2008-02-26
    • PURDUE RESEARCH FOUNDATIONSHALAEV VLADIMIR MKILDISHEV ALEXANDER VDRACHEV VLADIMIR PCAI WENSHAN
    • SHALAEV VLADIMIR MKILDISHEV ALEXANDER VDRACHEV VLADIMIR PCAI WENSHAN
    • G01J3/00
    • G02B3/02B82Y20/00G02B1/007G02B21/02
    • A tunable super-lens (TSL) for nanoscale optical sensing and imaging of bio-molecules and nano-manufacturing utilizes negative-index materials (NIMs) that operate in the visible or near infrared light. The NIMs can create a lens that will perform sub-wavelength imaging, enhanced resolution imaging, or flat lens imaging. This new TSL covers two different operation scales. For short distances between the object and its image, a near-field super-lens (NFSL) can create or enhance images of objects located at distances much less than the wavelength of light. For the far-zone, negative values are necessary for both the permittivity e and permeability µ. While well-structured periodic meta-materials, which require delicate design and precise fabrication, can be used, metal-dielectric composites are also candidates for NIMs in the optical range. The negative-refraction in the composite films can be made by using frequency-selective photomodification.
    • 用于纳米级光学传感和生物分子成像和纳米制造的可调超级透镜(TSL)利用在可见光或近红外光下工作的负折射率材料(NIM)。 NIM可以创建一个能够执行亚波长成像,增强分辨率成像或平面镜头成像的镜头。 这个新的TSL涵盖两种不同的操作规模。 对于物体与其图像之间的短距离,近场超级透镜(NFSL)可以创建或增强位于距离远小于光波长的物体的图像。 对于远区,介电常数ε和磁导率μ都需要负值。 尽管可以使用需要精细设计和精确制造的结构良好的周期性超材料,但金属 - 电介质复合材料也可用于光学范围内的NIM。 在复合膜中的负折射可以通过使用频率选择性光修饰来进行。
    • 6. 发明申请
    • NEAR FIELD SUPER LENS EMPLOYING TUNABLE NEGATIVE INDEX MATERIALS
    • 使用可控负指数材料的近场超镜
    • WO2008133769A2
    • 2008-11-06
    • PCT/US2008/002482
    • 2008-02-26
    • PURDUE RESEARCH FOUNDATIONSHALAEV, Vladimir, M.KILDISHEV, Alexander, V.DRACHEV, Vladimir, P.CAI, Wenshan
    • SHALAEV, Vladimir, M.KILDISHEV, Alexander, V.DRACHEV, Vladimir, P.CAI, Wenshan
    • G02B3/00
    • G02B3/02B82Y20/00G02B1/007G02B21/02
    • A tunable super-lens (TSL) for nanoscale optical sensing and imaging of bio-molecules and nano-manufacturing utilizes negative-index materials (NIMs) that operate in the visible or near infrared light. The NIMs can create a lens that will perform sub-wavelength imaging, enhanced resolution imaging, or flat lens imaging. This new TSL covers two different operation scales. For short distances between the object and its image, a near-field super-lens (NFSL) can create or enhance images of objects located at distances much less than the wavelength of light. For the far-zone, negative values are necessary for both the permittivity ε and permeability μ. While well-structured periodic meta-materials, which require delicate design and precise fabrication, can be used, metal-dielectric composites are also candidates for NIMs in the optical range. The negative-refraction in the composite films can be made by using frequency-selective photomodification.
    • 用于纳米尺度光学感测和生物分子和纳米制造成像的可调超透镜(TSL)利用在可见光或近红外光下工作的负指数材料(NIM)。 NIM可以创建将执行亚波长成像,增强分辨率成像或平面透镜成像的镜头。 这个新的TSL涵盖两个不同的操作规模。 对于物体与其图像之间的距离较短,近场超透镜(NFSL)可以创建或增强距离远于光波长的距离的物体的图像。 对于远区,介电常数e和磁导率μ都需要负值。 虽然可以使用需要精细设计和精确制造的良好结构的周期性超常材料,但是金属 - 介电复合材料也是光学范围中NIM的候选者。 复合膜中的负折射可以通过使用频率选择性光改性来制造。
    • 8. 发明申请
    • DISPERSION INTERFEROMETER
    • 分散干扰仪
    • WO1994015195A1
    • 1994-07-07
    • PCT/RU1992000253
    • 1992-12-25
    • DRACHEV, Vladimir ProkopievichBABIN, Sergei AlexeevichZERROUK, Abdelmounaime, Faousi
    • G01N21/45
    • G01N21/45
    • The invention concerns dispersion interferometers for measuring the dispersion component of the refractive index of a medium under investigation by an interferometric method. It can be used in the optics industry and as part of the diagnostic apparatus used in various plasma systems of the tokamak, stellarator or gas-discharge laser type. The dispersion interferometer comprises the following elements arranged along the optical axis: a light source emitting light of a given frequency; two non-linear optical frequency doublers the distance between which is such that the object under investigation can be accommodated between them; a light filter and a recording device. Also included is a polarizing beam splitter. The two non-linear optical frequency doublers are oriented in such a way that the directions of polarization of the fast waves are at right angles to each other and do not coincide with the directions of polarization which can be separated by the beam splitter and light source.
    • 本发明涉及用于通过干涉测量方法测量正在研究的介质的折射率的色散分量的色散干涉仪。 它可用于光学工业,也可用作托卡马克,恒星或气体放电激光器等离子体系统中使用的诊断装置的一部分。 分散干涉仪包括沿着光轴布置的以下元件:发射给定频率的光的光源; 两个非线性光频倍频器之间的距离使得被调查对象可以容纳在它们之间; 光滤波器和记录装置。 还包括偏振分束器。 这两个非线性光学倍频器以这样的方式定向,使得快波的偏振方向彼此成直角,并且不与分束器和光源分离的偏振方向重合 。