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    • 1. 发明申请
    • METHODS AND DEVICES FOR MEASUREMENTS USING PUMP-PROBE SPECTROSCOPY IN HIGH-Q MICROCAVITIES
    • 使用高Q值微泵浦探针光谱法进行测量的方法和装置
    • WO2008034118A3
    • 2008-07-03
    • PCT/US2007078586
    • 2007-09-15
    • HARVARD COLLEGEVOLLMER FRANKTOPOLANCIK JURAJ
    • VOLLMER FRANKTOPOLANCIK JURAJ
    • H01S3/00
    • G01N21/77G01N2021/7789G02B6/29343
    • The use of optical micro cavities, high-Q resonators and slow-light structures as tools for detecting molecules and probing conformations and measuring polarizability and anisotropy of molecules and molecular assemblies using a pump-probe approach is described. Resonances are excited simultaneously or sequentially with pump and probe beams coupled to the same microcavity, so that a pump beam wavelength can be chosen to interact with molecules adsorbed to the microcavity surface, whereas a probe beam wavelength can be chosen to non-invasively measure pump-induced perturbations. The induced perturbations are manifest due to changes of resonance conditions and measured from changes in transfer characteristics or from changes of the scattering spectra of a micocavity-waveguide system. The perturbations induced by the pump beam may be due to polarizability changes, changes in molecular conformation, breakage or formation of chemical bonds, triggering of excited states, and formation of new chemical species. Furthermore, heat may be generated due to absorption of the pump beam. Furthermore, the use resonant modes with different states of polarization allows for measurements of polarizability and its anisotropy in samples interacting with the optical device.
    • 描述了使用光学微腔,高Q共振器和慢光结构作为检测分子和探测构象以及使用泵 - 探针方法测量分子和分子组装的极化性和各向异性的工具。 谐振同时或顺序地与耦合到相同微腔的泵浦光束和探针光束激发,使得可以选择泵浦波长与吸附到微腔表面的分子相互作用,而可以选择探测光束波长以非侵入式地测量泵浦 诱发的扰动。 由于谐振条件的变化以及由传输特性的变化或微腔 - 波导系统的散射光谱的变化来测量,引起的扰动是显而易见的。 泵浦光束引起的干扰可能是由于极化率的变化,分子构象的变化,化学键的断裂或形成,激发态的触发以及新化学物质的形成。 此外,由于吸收泵浦光束可能会产生热量。 此外,具有不同偏振状态的使用谐振模式允许测量与光学器件相互作用的样本中的极化率及其各向异性。
    • 2. 发明申请
    • METHODS, MATERIALS AND DEVICES FOR LIGHT MANIPULATION WITH ORIENTED MOLECULAR ASSEMBLIES IN MICRONSCALE PHOTONIC CIRCUIT ELEMENTS WITH HIGH-Q OR SLOW LIGHT
    • 用于在具有高Q或慢光的微型光电元件中用于具有定向分子组装的光学操作的方法,材料和装置
    • WO2007134177A3
    • 2008-04-10
    • PCT/US2007068683
    • 2007-05-10
    • HARVARD COLLEGEVOLLMER FRANKTOPOLANCIK JURAJ
    • VOLLMER FRANKTOPOLANCIK JURAJ
    • G02F1/03G02F1/07
    • G02B6/1225G02F1/0126G02F1/3511G02F2202/32G02F2203/15
    • An optical device that comprises an input waveguide, an output waveguide, a high-Q resonant or photonic structure that generate slow light connected to the input waveguide and the output waveguide, and an interface, surface or mode volume modified with at least one material formed from a single molecule, an ordered aggregate of molecules or nanostructures. The optical device may include more than one input waveguide, output waveguide, high-Q resonant or photonic structure and interface, surface or mode volume. The high-Q resonant or photonic structure may comprise at least one selected from the group of: microspherical cavities, microtoroidal cavities, microring-cavities, photonic crystal defect cavities, fabry-perot cavities, photonic crystal waveguides. The ordered aggregate of molecules or nanostructures comprises at least one selected from the group of: organic or biological monolayers, biological complexes, cell membranes, bacterial membranes, virus assemblies, nanowire or nanotube assemblies, quantum-dot assemblies, one or more assemblies containing one ore more rhodopsins, green fluorescence proteins, diarylethers, lipid bilayers, chloroplasts or components, mitochondria or components, cellular or bacterial organelles or components, bacterial S-layers, photochromic molecules. Further, the molecular aggregate may exhibit a photoinduced response.
    • 一种包括输入波导,输出波导,产生连接到输入波导和输出波导的慢光的高Q谐振或光子结构的光学装置,以及形成有至少一种材料的界面,表面或模式体积 来自单个分子,分子或纳米结构的有序聚集体。 光学器件可以包括多于一个的输入波导,输出波导,高Q谐振或光子结构以及界面,表面或模式体积。 高Q谐振或光子结构可以包括选自以下的组中的至少一个:微球腔,微孔腔,微环腔,光子晶体缺陷腔,fabry-perot腔,光子晶体波导。 分子或纳米结构的有序聚集体包括选自以下组中的至少一种:有机或生物单层,生物复合物,细胞膜,细菌膜,病毒组件,纳米线或纳米管组件,量子点组件,一个或多个包含一个 更多的视紫红质,绿色荧光蛋白,二芳基醚,脂质双层,叶绿体或组分,线粒体或组分,细胞或细菌细胞器或组分,细菌S层,光致变色分子。 此外,分子聚集体可以表现出光诱导的反应。