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    • 7. 发明申请
    • DEVICES AND METHODS TO MEASURE SMALL DISPLACEMENTS
    • 测量小位移的装置和方法
    • WO2017125928A1
    • 2017-07-27
    • PCT/IL2017/050074
    • 2017-01-19
    • YEDA RESEARCH AND DEVELOPMENT CO. LTD.
    • LUBOMIRSKY, IgorLAZOVSKI, Guy
    • G01N21/17G01N21/21G01B11/16G01R29/22G01N25/16
    • G01N21/211G01B11/168G01N21/1717G01N25/16G01N2021/1729G01N2021/1731G01R29/22
    • Methods, devices and apparatus for measuring expansion/contraction properties of a material are described. According to an embodiment a method comprises: providing a device, said device comprising a sample comprising said material, said sample comprising a first surface and a second surface, a first substrate and a second substrate connected to said first surface and to said second surface of said sample, respectively, a reflective material attached to said second substrate, and two electrical contacts each independently in contact with said sample; applying voltage to said sample using said electrical contacts; illuminating said reflective material using a light source, such that said illumination comprises light having known and controllable polarization; collecting light reflected off said reflective material; measuring amplitude and phase of an oscillating change in polarization of the reflected light; and extracting parameters related to expansion/contraction from said reflected light measurement, thus evaluating said expansion/contraction properties of said material.
    • 描述了用于测量材料的膨胀/收缩特性的方法,装置和设备。 根据一个实施例,一种方法包括:提供装置,所述装置包括含有所述材料的样本,所述样本包括第一表面和第二表面,第一基底和第二基底连接到所述第一表面和所述第二表面 所述样品分别为附着于所述第二基板的反射材料,以及各自独立地与所述样品接触的两个电触点; 使用所述电触点向所述样品施加电压; 使用光源照射所述反射材料,使得所述照射包括具有已知和可控偏振的光; 收集从所述反射材料反射的光; 测量反射光的偏振振荡变化的幅度和相位; 并从所述反射光测量中提取与膨胀/收缩有关的参数,从而评估所述材料的所述膨胀/收缩性质。
    • 8. 发明申请
    • METHOD OF DETECTING MOLECULES AND OPTICAL SENSOR
    • 检测分子和光学传感器的方法
    • WO2012143072A1
    • 2012-10-26
    • PCT/EP2012/001175
    • 2012-04-19
    • FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.HEIDRICH, HelmutLÜTZOW, PeterPERGANDE, DanielSCHADE, Wolfgang
    • HEIDRICH, HelmutLÜTZOW, PeterPERGANDE, DanielSCHADE, Wolfgang
    • G01N21/77
    • G01N21/255G01N21/27G01N21/39G01N21/7746G01N2021/1731G01N2021/7789
    • The invention relates to a method for detecting molecules of a particular substance by means of an optical sensor. This method comprises the steps of - bringing the sensor into contact with a fluid to be analyzed, - coupling light of a first wavelength (λ 1 ) into an optical resonator (3) of the sensor, the resonator (3) being covered at least partially with an active layer of a covering material for selectively adsorbing a group of substances, - coupling light of a second wavelength (λ 2 ) into the same resonator (3) or into a second optical resonator (3') of the sensor, the second resonator (3') being covered at least partially with an active layer of the same covering material - detecting, for each of the first and the second wavelengths (λ 1 ( λ 2 ), an optical signal coupled out of an optical path containing the respective resonator (3, 3'), - varying an optical length of the respective resonator (3, 3') or the respective wavelength (λ 1 ( λ 2 ) such that an interval comprising at least one resonance of the respective resonator (3, 3') is scanned, and - detecting a broadening of this resonance indicating an absorption of the light fed into the respective resonator (3, 3') by molecules accumulated at the active layer of this resonator (3, 3'). The invention also relates to an optical sensor designed for performing this method.
    • 本发明涉及通过光学传感器检测特定物质的分子的方法。 该方法包括以下步骤:使传感器与要分析的流体接触, - 将第一波长(λ1)的光耦合到传感器的光学谐振器(3)中,至少覆盖谐振器(3) 部分地具有用于选择性吸附一组物质的覆盖材料的活性层 - 将第二波长(λ2)的光耦合到相同的谐振器(3)中或耦合到传感器的第二光学谐振器(3')中, 至少部分地用相同覆盖材料的有源层覆盖第二谐振器(3') - 对于第一和第二波长(λ1(λ2))中的每一个,检测从包括 相应的谐振器(3,3'), - 改变相应谐振器(3,3')的光学长度或相应的波长(λ1(λ2)),使得包括相应谐振器的至少一个谐振的间隔( 3,3'),并且 - 检测该共振指示的变宽 通过在该谐振器(3,3')的有源层处累积的分子吸收馈送到各个谐振器(3,3')中的光。 本发明还涉及设计用于执行该方法的光学传感器。