System and Method for Optical Coherence Tomography and Method for Calibrating Said Type of System
    1.
    发明申请
    System and Method for Optical Coherence Tomography and Method for Calibrating Said Type of System 失效
    用于光学相干断层扫描的系统和方法以及校准所述系统类型的方法

    公开(公告)号:US20100027029A1

    公开(公告)日:2010-02-04

    申请号:US12527292

    申请日:2008-02-20

    IPC分类号: G01B11/14

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) for emitting light with which a specimen (1) is irradiated, the interferometer (1) comprising a beam splitter (13) and at least one reflector (12) the optical distance (I) of which from the beam splitter (13) is changeable, a specimen objective by means of which light emitted by the interferometer (10) is focussed in a focus lying within the specimen (1), and a detector (30) for collecting light which is reflected by the specimen (1).For simpler and quicker recording of the sharpest possible images of the specimen (1) provision is made such that during a change of the optical distance (I) between the reflector (12) and the beam splitter (13) the light respectively reflected at a number of different depths of the specimen (1) is collected by the detector (30), and during the collection of the light respectively reflected at the different depths of the specimen (1) the imaging properties of the specimen objective are changed such that the focus comes within the range of the respective depth of the specimen (1).

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统和相应的方法,该方法具有用于发射照射样本(1)的光的干涉仪(10),所述干涉仪(1)包括分束器(13)和至少一个 反射器(12),来自分束器(13)的光学距离(I)可以改变,由干涉仪(10)发射的光聚焦在位于样品(1)内的焦点上的样本物镜, 以及用于收集被样品(1)反射的光的检测器(30)。 为了更简单和更快速地记录样本的最清晰可能的图像(1),提供这样的设置,使得在反射器(12)和分束器(13)之间的光学距离(I)的改变期间,分别在一个 样品(1)的不同深度的数量由检测器(30)收集,并且在分别在样品(1)的不同深度处反射的光的收集期间,改变样品物镜的成像特性,使得 焦点在样本(1)的相应深度的范围内。

    System for Optical Coherence Tomography
    2.
    发明申请
    System for Optical Coherence Tomography 有权
    光学相干断层扫描系统

    公开(公告)号:US20100027021A1

    公开(公告)日:2010-02-04

    申请号:US12527312

    申请日:2008-02-20

    IPC分类号: G01B9/02 G01N21/47

    摘要: The invention relates to a system for optical coherence tomography having an interferometer (20), a detector (30) with a first number of detector elements for collecting light, and an optical fibre (29) with a second number of individual fibres for transmitting light from the interferometer (20) to the detector (30).In order to increase the compactness of the system with at the same time high image quality provision is made such that the detector elements have a first centre-centre distance and the individual fibres have a second centre-centre distance, the first centre-centre distance between the detector elements being greater than the second centre-centre distance between the individual fibres.

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统,其具有干涉仪(20),具有用于收集光的第一数量的检测器元件的检测器(30)和具有第二数量的单独光纤的光纤(29),用于透射光 从干涉仪(20)到检测器(30)。 为了提高系统的紧凑性,同时提供高图像质量,使得检测器元件具有第一中心距离,并且各个光纤具有第二中心距离,第一中心距离 检测器元件之间的距离大于各个光纤之间的第二中心距离。

    System and method for optical coherence tomography
    3.
    发明授权
    System and method for optical coherence tomography 失效
    光学相干断层扫描系统和方法

    公开(公告)号:US08665449B2

    公开(公告)日:2014-03-04

    申请号:US12527298

    申请日:2008-02-20

    IPC分类号: G01B11/02

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) which has a beam splitter (13), a first reflector (11) and a reflector (12) the optical distance (I) of which from the beam splitter (13) is changeable by a speed (v), and a detector (30) for collecting light which is reflected by a specimen (1) to be examined.In order to reduce the times required for the most reliable possible recording of interference patterns, provision is made such that the intensity of the light (14 or 4) injected into the interferometer (10) or emitted by the interferometer (10) is modulated with a modulation frequency (fM) which is not equal to the Doppler frequency (fD), the Doppler frequency (fD) being given by twice the ratio of the speed (v) of the change of the optical distance (I) between the reflector (12) and the beam splitter (13) to the average wavelength (λ0) of the injected light (14): fM≠fD=2·v/λ0.

    摘要翻译: 本发明涉及一种具有干涉仪(10)的光学相干断层摄影的系统和相应方法,所述干涉仪具有分束器(13),第一反射器(11)和反射器(12),光学距离(I) 来自分束器(13)的速度可以通过速度(v)变化;以及检测器(30),用于收集被检查样本(1)反射的光。 为了减少最可靠地记录干涉图案所需的时间,提供这样的设置,使得注入干涉仪(10)或由干涉仪(10)发射的光(14或4)的强度用 不等于多普勒频率(fD)的调制频率(fM),多普勒频率(fD)由反射器(1)之间的光学距离(I)的变化的速度(v) 12)和分束器(13)到注入光(14)的平均波长(λ0):fM <> fD = 2·v /λ0。

    System and method for optical coherence tomography with modulated detector sensitivity
    4.
    发明授权
    System and method for optical coherence tomography with modulated detector sensitivity 有权
    具有调制检测灵敏度的光学相干断层扫描系统和方法

    公开(公告)号:US08330962B2

    公开(公告)日:2012-12-11

    申请号:US12527300

    申请日:2008-02-20

    IPC分类号: G01B9/02

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) and a detector system (30, 31) which comprises a detector (30) for collecting the light reflected by a specimen (1) to be examined and has a sensitivity to the light reflected by the specimen (1). In order to reduce the times required for the most reliable possible recording of interference signals provision is made such that the sensitivity of the detector system (30, 31) to the light reflected by the specimen (1) and impinging on the detector (30) is modulated with a modulation frequency.

    摘要翻译: 本发明涉及一种具有干涉仪(10)和检测器系统(30,31)的光学相干断层摄影的系统和相应的方法,所述干涉仪(10)和检测器系统(30,31)包括用于收集由样品(1)反射的光的检测器(30) 检测并且对由样品(1)反射的光具有敏感性。 为了减少最可靠地记录干扰信号所需的时间,提供检测器系统(30,31)对被检体(1)反射并撞击检测器(30)的光的灵敏度, 用调制频率进行调制。

    System and Method for Optical Coherence Tomography
    5.
    发明申请
    System and Method for Optical Coherence Tomography 有权
    光学相干断层扫描的系统和方法

    公开(公告)号:US20100091295A1

    公开(公告)日:2010-04-15

    申请号:US12527287

    申请日:2008-02-20

    IPC分类号: G01B9/02

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) for emitting light with which a specimen (1) is irradiated, the interferometer (1) comprising a beam splitter (13) and at least one reflector (12) the optical distance (I) of which from the beam splitter (13) is changeable, and a detector (30) which has a plurality of detector elements arranged in an area by means of which the light which is reflected by the specimen (1) is collected.In order to simplify and speed up the recording of three-dimensional images of the specimen (1) provision is made such that the optical distance (I) between the reflector (12) and the beam splitter (13) is changed by an optical path (L) which is substantially greater than an average wavelength (λ0) of light (14) which is injected into the interferometer (10): L>>λ0, during the change of the optical distance (I) between the reflector (12) and the beam splitter (13) by the optical path (L) the light reflected by the specimen (1) being collected a number of times by the detector elements of the detector (30), by means of which the light reflected by a number of two-dimensional sections at different depths of the specimen (1) is collected.

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统和相应的方法,该方法具有用于发射照射样本(1)的光的干涉仪(10),包括分束器(13)的干涉仪(1)和至少一个 反射器(12),来自分束器(13)的光学距离(I)可以改变;以及检测器(30),其具有多个检测器元件,所述检测器元件布置在通过该区域反射的光的区域中, 收集样品(1)。 为了简化和加快样本的三维图像的记录(1),提供反射器(12)和分束器(13)之间的光学距离(I)由光路 (L),其在反射器(12)之间的光学距离(I)的改变期间基本上大于注入到干涉仪(10)中的光(14)的平均波长(λ0):L >>λ0 并且通过光路(L)的分束器(13)被检体(1)反射的光被检测器(30)的检测器元件收集多次,通过该检测器元件反射数量 收集样品(1)不同深度的二维截面。

    System for Optical Coherence Tomography
    6.
    发明申请
    System for Optical Coherence Tomography 有权
    光学相干断层扫描系统

    公开(公告)号:US20100067022A1

    公开(公告)日:2010-03-18

    申请号:US12527305

    申请日:2008-02-20

    IPC分类号: G01B9/02 G01N21/45

    摘要: The invention relates to a system for optical coherence tomography having an interferometer (20) which has a beam splitter (24), a reflector (25), an illumination arm (21), a specimen arm (22) and a reference arm (23).In order to increase the compactness of the system with at the same time a high image quality a specimen objective is provided in the specimen arm (22) of the interferometer (20) by means of which light is focussed into a focus lying in or on the specimen (1). Moreover, in the reference arm (23) of the interferometer (20) a reference objective is provided by means of which light is focussed onto the reflector (25). The optical properties of the specimen objective differ from the optical properties of the reference objective.

    摘要翻译: 本发明涉及一种具有干涉仪(20)的光学相干断层摄影系统,该干涉仪具有分束器(24),反射器(25),照明臂(21),样本臂(22)和参考臂 )。 为了提高系统的紧凑性,同时具有高图像质量,在干涉仪(20)的样本臂(22)中提供样本物镜,通过该样本目标将光聚焦成位于或位于其上的焦点 样品(1)。 此外,在干涉仪(20)的参考臂(23)中,提供参考物镜,通过该参考物体将光聚焦到反射器(25)上。 样品物镜的光学特性与参考物镜的光学特性不同。

    System and method for optical coherence tomography with spectrally modulated light injected into optical fibre
    7.
    发明授权
    System and method for optical coherence tomography with spectrally modulated light injected into optical fibre 有权
    光学相干断层扫描系统和方法,光谱调制光注入光纤

    公开(公告)号:US08339610B2

    公开(公告)日:2012-12-25

    申请号:US12527309

    申请日:2008-02-20

    IPC分类号: G01B9/02

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having a light source (15) for producing light (14), a first interferometer (10), a second interferometer (20) and an optical fiber (17) by means of which light emitted by the first interferometer (10) is conveyed to the second interferometer (20).For simpler and more efficient injection of the light emitted by the first interferometer (10) into the optical fiber (17) provision is made such that light is injected into the first interferometer (10) which has a first number of transversal modes, and the optical fiber (17) has at least one multi-mode fiber into which the light passing out of the first interferometer (10) is injected such that in the optical fiber (17) a second number of transversal modes is stimulated which is conveyed to the second interferometer (20), the second number of transversal modes being substantially greater than the first number of transversal modes.

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统和相应的方法,其具有用于产生光(14)的光源(15),第一干涉仪(10),第二干涉仪(20)和光纤(17) 由第一干涉仪(10)发射的光被传送到第二干涉仪(20)的装置。 为了将由第一干涉仪(10)发射的光更简单且更有效地注入到光纤(17)中,使得光被注入到具有第一数量横向模式的第一干涉仪(10)中,并且 光纤(17)具有至少一个多模光纤,其中从第一干涉仪(10)通过的光被注入到其中,使得在光纤(17)中刺激了第二数量的横向模式,其被传送到 第二干涉仪(20),第二数量的横向模式基本上大于第一数量的横向模式。

    System for optical coherence tomography
    8.
    发明授权
    System for optical coherence tomography 有权
    光学相干断层扫描系统

    公开(公告)号:US08199327B2

    公开(公告)日:2012-06-12

    申请号:US12527312

    申请日:2008-02-20

    IPC分类号: G01B9/02

    摘要: The invention relates to a system for optical coherence tomography having an interferometer (20), a detector (30) with a first number of detector elements for collecting light, and an optical fiber (29) with a second number of individual fibers for transmitting light from the interferometer (20) to the detector (30).In order to increase the compactness of the system with at the same time high image quality provision is made such that the detector elements have a first center-center distance and the individual fibers have a second center-center distance, the first center-center distance between the detector elements being greater than the second center-center distance between the individual fibers.

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统,其具有干涉仪(20),具有用于收集光的第一数量的检测器元件的检测器(30)和具有第二数量的单独光纤的光纤(29),用于透射光 从干涉仪(20)到检测器(30)。 为了提高系统的紧凑性,同时提供高图像质量,使得检测器元件具有第一中心距离,并且各个光纤具有第二中心距离,第一中心距离 检测器元件之间的距离大于各个光纤之间的第二中心距离。

    System and method for optical coherence tomography
    9.
    发明授权
    System and method for optical coherence tomography 有权
    光学相干断层扫描系统和方法

    公开(公告)号:US08810797B2

    公开(公告)日:2014-08-19

    申请号:US12527287

    申请日:2008-02-20

    IPC分类号: G01B11/02

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) for emitting light with which a specimen (1) is irradiated, the interferometer (1) comprising a beam splitter (13) and at least one reflector (12) the optical distance (I) of which from the beam splitter (13) is changeable, and a detector (30) which has a plurality of detector elements arranged in an area by means of which the light which is reflected by the specimen (1) is collected.In order to simplify and speed up the recording of three-dimensional images of the specimen (1) provision is made such that the optical distance (I) between the reflector (12) and the beam splitter (13) is changed by an optical path (L) which is substantially greater than an average wavelength (λ0) of light (14) which is injected into the interferometer (10): L>>λ0, during the change of the optical distance (I) between the reflector (12) and the beam splitter (13) by the optical path (L) the light reflected by the specimen (1) being collected a number of times by the detector elements of the detector (30), by means of which the light reflected by a number of two-dimensional sections at different depths of the specimen (1) is collected.

    摘要翻译: 本发明涉及一种用于光学相干断层摄影的系统和相应的方法,该方法具有用于发射照射样本(1)的光的干涉仪(10),所述干涉仪(1)包括分束器(13)和至少一个 反射器(12),来自分束器(13)的光学距离(I)可以改变;以及检测器(30),其具有多个检测器元件,所述检测器元件布置在通过该区域反射的光的区域中, 收集样品(1)。 为了简化和加快样本的三维图像的记录(1),提供反射器(12)和分束器(13)之间的光学距离(I)由光路 (L),其在反射器(12)之间的光学距离(I)的改变期间基本上大于注入到干涉仪(10)中的光(14)的平均波长(λ0):L >>λ0 并且通过光路(L)的分束器(13)被检体(1)反射的光被检测器(30)的检测器元件收集多次,通过该检测器元件反射数量 收集样品(1)不同深度的二维截面。

    System and Method for Optical Coherence Tomography
    10.
    发明申请
    System and Method for Optical Coherence Tomography 有权
    光学相干断层扫描的系统和方法

    公开(公告)号:US20100097616A1

    公开(公告)日:2010-04-22

    申请号:US12527300

    申请日:2008-02-20

    IPC分类号: G01B9/02 A61B6/00

    摘要: The invention relates to a system and to a corresponding method for optical coherence tomography having an interferometer (10) and a detector system (30, 31) which comprises a detector (30) for collecting the light reflected by a specimen (1) to be examined and has a sensitivity to the light reflected by the specimen (1).In order to reduce the times required for the most reliable possible recording of interference signals provision is made such that the sensitivity of the detector system (30, 31) to the light reflected by the specimen (1) and impinging on the detector (30) is modulated with a modulation frequency.

    摘要翻译: 本发明涉及一种具有干涉仪(10)和检测器系统(30,31)的光学相干断层摄影的系统和相应的方法,所述干涉仪(10)和检测器系统(30,31)包括用于收集由样品(1)反射的光的检测器(30) 检测并且对由样品(1)反射的光具有敏感性。 为了减少最可靠地记录干扰信号所需的时间,提供检测器系统(30,31)对被检体(1)反射并撞击检测器(30)的光的灵敏度, 用调制频率进行调制。