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    • 56. 发明授权
    • Method and apparatus for measuring spectral absorption in an opaque
specimen and method and apparatus for measuring the microscopic
absorption distribution
    • 用于测量不透明样品中的光谱吸收的方法和装置以及用于测量微观吸收分布的方法和装置
    • US5345306A
    • 1994-09-06
    • US704142
    • 1991-05-22
    • Tsutomu IchimuraFumio Inaba
    • Tsutomu IchimuraFumio Inaba
    • G01J9/04G01N21/17G01N21/39G01N21/45G01N21/47G02B21/00G01B9/02
    • G01N21/4795G01N21/17G02B21/002G01N2021/1742G01N2021/451G01N2021/4707G01N2021/4709G01N21/39
    • In the method of and apparatus for measuring a spectral absorption in an opaque specimen, a scattering specimen is illuminated with highly directional light of variable wavelength from a specific direction, thereby removing scattered rays as much as possible, and thus detecting the intensity of only parallel rays of a component transmitted or reflected in a specific direction (i.e., rectilinear component rays) by use of a highly directional detecting system, for example, a heterodyne light-receiving system, Michelson light-receiving system, highly directional optical system, etc. It is therefore possible to measure spectral absorption characteristics of a scattering specimen with high accuracy without picking up scattered light in other undesired directions nor other noise light. In addition, the measurement of the control is exceedingly simplified in comparison to the conventional method and thus the measurement is extremely facilitated. Thus, the method and apparatus of the present invention are suitable for measuring spectral absorption of a component transmitted or reflected in a specific direction in not only sparse heterogeneous systems having spatial resolving power, for example, suspensions, organic tissues, etc., but also dense translucent objects.
    • 在不透明样品中的光谱吸收测定方法和测定装置中,以特定方向的可变波长的高度定向的光照射散射试样,从而尽可能地除去散射的光线,从而检测出只有平行的强度 通过使用高度定向的检测系统,例如外差光接收系统,迈克尔逊光接收系统,高度定向光学系统等,在特定方向(即,直线分量射线)上发射或反射的分量的光线。 因此,可以高精度地测量散射试样的光谱吸收特性,而不会在其它不需要的方向上拾取散射光,也不会检测其他噪声光。 此外,与常规方法相比,控制的测量被非常简化,因此极大的方便了测量。 因此,本发明的方法和装置不仅适用于不仅具有空间分辨能力的稀疏异质系统,例如悬浮液,有机组织等,而是在特定方向上传输或反射的组分的光谱吸收, 密实的半透明物体。
    • 58. 发明授权
    • Spectrograph for evaluating contamination of optical components in space
    • 用于评估空间光学元件污染的光谱仪
    • US4815842A
    • 1989-03-28
    • US868798
    • 1986-05-29
    • Bruce K. FlintRobert D. FancyRobert V. Jarratt, Jr.
    • Bruce K. FlintRobert D. FancyRobert V. Jarratt, Jr.
    • G01J3/42G01N21/33G01N21/13G01J3/32
    • G01J3/42G01J2003/421G01J2003/425G01N2021/1742G01N2021/335G01N2201/0415
    • A monochromatic spectrometer for evaluating contamination changes in the surface condition of lenses, reflectors and similar optical samples in the vacuum of a space mission includes a vacuum ultraviolet beam source redirected from a dispersion grating through a test station and reflected from a mirror to a photodetector. A rotatable carrier supports two or more optical samples, both transmissive and reflective and selectively positions one sample at a time at the test station so that the selected sample modifies the VUV beam according to its surface condition. The mirror is movable from a first position in which it reflects the beam transmitted through a sample to second position in which it reflects the beam reflected from a sample. The sample condition measured by the photodetector, the position of the rotatable carrier and mission elapsed time are recorded in a memory for re-transmission or later read out.
    • 用于评估空间任务的真空中的透镜,反射器和类似光学样品的表面状况的污染变化的单色光谱仪包括从分散光栅重新定向穿过测试台并从反射镜反射到光电检测器的真空紫外光束源。 可旋转载体支持透射和反射的两个或更多个光学样品,并且在测试台一次选择性地定位一个样品,使得所选择的样品根据其表面条件修改VUV光束。 反射镜可以从第一位置移动,在第一位置,反射通过样品的光束反射从样品反射的光束到第二位置。 由光电检测器测量的样品状态,可旋转载体的位置和任务经过时间被记录在用于再传输或稍后读出的存储器中。
    • 59. 发明授权
    • Optical analytical instrument for testing the transmission and
reflection of a sample
    • 用于测试样品透射和反射的光学分析仪器
    • US4786169A
    • 1988-11-22
    • US763919
    • 1985-08-08
    • Philip R. BrierleyDoug Pfrang
    • Philip R. BrierleyDoug Pfrang
    • G01N21/01G01N21/25G01N21/35G01N21/47G01N21/49G01N21/55G01N21/59
    • G01N21/474G01N21/255G01N2021/1742G01N21/35
    • An analytical instrument includes an optical system having a source of incoming radiation (11) which in a transmission test is focused by a primary focusing element (15) onto a sample (16). The radiation transmitted through the sample is collimate by a focusing-collimating element (20) and directed across the beam of incoming radiation (14) before focused on a detector (12). To perform a test of the reflectance of the sample, an intercept element (28) is moved into position in the incoming beam (14) to deflect a portion (36) of the beam which is directed to the focusing-collimating element (20) and focused on the sample. The reflected radiation from the sample is collected by the focusing-collimating element (20) into a collimated beam (38) that is parallel and adjacent to the incoming beam, and which is directed in a path which passes by the intercept element (28) to be focused onto the detector (12). By selectively moving the intercept element (28) into and out of the path of the beam (14 ), a sample may be analyzed for both transmission and reflectance characteristics without moving the sample.
    • 分析仪器包括具有入射辐射源(11)的光学系统,其在透射测试中被主要聚焦元件(15)聚焦到样品(16)上。 透射通过样品的辐射通过聚焦准直元件(20)准直,并且在聚焦在检测器(12)上之前被引导穿过入射辐射束(14)。 为了对样品的反射率进行测试,截距元件(28)移动到入射光束(14)中的位置,以偏转被引导到聚焦准直元件(20)的光束的部分(36) 并专注于样品。 来自样品的反射辐射由聚焦准直元件(20)收集成与入射光束平行并相邻的准直光束(38),并被引导在通过截距元件(28)的路径中, 被聚焦到检测器(12)上。 通过选择性地将拦截元件(28)移动进入和离开光束(14)的路径,可以在不移动样本的情况下分析透射和反射特性的样本。
    • 60. 发明授权
    • Apparatus and method for measuring light transmittance or reflectance
    • 用于测量透光率或反射率的装置和方法
    • US4710624A
    • 1987-12-01
    • US608747
    • 1984-05-10
    • Robert AlvarezLeonard LehmannBruno Strul
    • Robert AlvarezLeonard LehmannBruno Strul
    • G01N21/59G01N21/86G02B26/10
    • G01N21/5911G01N2021/1742G01N2021/8618G01N21/474
    • Apparatus and a method for providing measurements of the diffuse transmittance or reflectance of a sheet at a set of points arranged along a pattern line on the sheet. In accordance with the invention, the sheet, such as a photographic film, is moved with respect to a cylinder with a slot cut in its wall parallel to its central axis. A beam of radiation is swept parallel to the slot and into the cylinder after scanning along a line on the sheet. The inner wall surface of the cylinder is coated with a high reflectance material so that a fraction of the directly transmitted and scattered radiation in the cylinder enters one or more electronic radiation detectors coupled to the cylinder. The fraction of the radiation measured depends on the position along the slot of the radiation beam, and the data are corrected by dividing the measurement at each point by the measured radiation at that point when no object is in the beam. Several embodiments of the cylinder are disclosed.
    • 用于提供在沿着片材上的图案线布置的一组点处的片材的漫透射率或反射率的测量的装置和方法。 根据本发明,诸如照相胶片的片材相对于圆柱体移动,其中在其壁上切割的狭缝平行于其中心轴线。 沿着片材上的线扫描后,辐射束平行于狭槽扫过并进入气缸。 气缸的内壁表面涂覆有高反射率材料,使得气缸中直接传播和散射的辐射的一部分进入耦合到气缸的一个或多个电子辐射探测器。 测量的辐射的分数取决于沿着辐射束的槽的位置,并且通过将每个点处的测量除以在该光束中没有物体时在该点处的测量的辐射来校正数据。 公开了圆筒的几个实施例。