首页> 外国专利> Measuring thickness and dispersion in tissues or bodily fluids using short-coherence interferometry, determines content of substance from its influence on optical characteristics

Measuring thickness and dispersion in tissues or bodily fluids using short-coherence interferometry, determines content of substance from its influence on optical characteristics

机译:使用短相干干涉法测量组织或体液中的厚度和分散度,从物质对光学特性的影响中确定物质的含量

摘要

From the results of dispersion measurement the substance content influencing optical characteristics is determined. Only partial interferograms are used from the full short-coherence interferogram G(T). Dispersion measurement employs a short scan about a selected position, especially the virtual position of the dispersion measurement. Short coherence interferometry is used in the eye. The position of a reference mirror (14) is fixed relative to the eye (7) with the aid of an end support (63) and is adjusted by means of a concave mirror (30). Orientation of the eye relative to the measurement beam (5) of an interferometer, is effected with the help of a target beam (32). A modified Michelson-Interferometer is used as the interferometer. Movement of the reference mirror is registered using a calibration interferometer.
机译:根据色散测量的结果,确定影响光学特性的物质含量。完整的短相干干涉图G(T)仅使用了部分干涉图。色散测量采用围绕选定位置的短扫描,尤其是色散测量的虚拟位置。眼中使用了短相干干涉测量法。参考镜(14)的位置借助于端部支撑件(63)相对于眼睛(7)固定,并通过凹面镜(30)进行调节。眼睛相对于干涉仪的测量光束(5)的定向借助于目标光束(32)来实现。改进的迈克尔逊干涉仪用作干涉仪。使用校准干涉仪记录参考镜的移动。

著录项

  • 公开/公告号DE10302849A1

    专利类型

  • 公开/公告日2004-07-29

    原文格式PDF

  • 申请/专利权人 CARL ZEISS MEDITEC AG;

    申请/专利号DE2003102849

  • 发明设计人 FERCHER ADOLF FRIEDRICH;

    申请日2003-01-23

  • 分类号G01N21/17;

  • 国家 DE

  • 入库时间 2022-08-21 22:43:32

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