公开(公告)号：US11892292B2

公开(公告)日：2024-02-06

申请号：US16619499

申请日：2018-06-06

申请人： RD Synergy Ltd.

发明人： Dov Furman

IPC分类号： G01B9/021 ,  G01B9/02 ,  G03H1/04 ,  G01B9/02015

CPC分类号： G01B9/021 ,  G01B9/02032 ,  G01B9/02043 ,  G03H1/0443 ,  G03H1/0465 ,  G01B2290/70 ,  G03H2001/0456 ,  G03H2001/0469 ,  G03H2222/13 ,  G03H2222/20

摘要： A holographic interferometer, comprising: at least one imaging device capturing an interference pattern created by at least two light beams; and at least one aperture located in an optical path of at least one light beam of the at least two light beams; wherein the at least one aperture is located away from an axis of the at least one light beam, thus transmitting a subset of the at least one light beam collected at an angle range.

公开(公告)号：US11644791B2

公开(公告)日：2023-05-09

申请号：US16642994

申请日：2018-07-31

申请人： University of Hyogo

发明人： Kunihiro Sato

IPC分类号： G03H1/08 ,  G03H1/00 ,  G03H1/04 ,  G03H1/22

CPC分类号： G03H1/0866 ,  G03H1/0005 ,  G03H1/0404 ,  G03H1/0465 ,  G03H1/0808 ,  G03H1/2202 ,  G03H2001/005 ,  G03H2001/0413 ,  G03H2001/0415 ,  G03H2001/0445 ,  G03H2001/0456 ,  G03H2001/0473 ,  G03H2001/0825 ,  G03H2001/2239

摘要： A holographic imaging device and method realizes both a transmission type and a reflection type, and also realizes a long working distance wide field of view or ultra-high resolution. Object light emitted from an object, sequentially illuminated with parallel illumination light whose incident direction is changed, is recorded on a plurality of object light holograms for each incident direction using off-axis spherical wave reference light. The reference light is recorded on a reference light hologram using in-line spherical wave reference light being in-line with the object light. An object light wave hologram and its spatial frequency spectrum at the object position are generated for each incident direction using each hologram. A synthetic spectrum which occupies a wider frequency space is generated by matching each spectrum in the overlapping area, and a synthetic object light wave hologram with increased numerical aperture is obtained thereby.

公开(公告)号：US20190250560A1

公开(公告)日：2019-08-15

申请号：US16336890

申请日：2017-09-29

申请人： Siemens Healthcare GmbH

发明人： Thomas ENGEL ,  Oliver HAYDEN

IPC分类号： G03H1/00 ,  G03H1/04

CPC分类号： G03H1/0005 ,  G03H1/0443 ,  G03H1/0866 ,  G03H1/265 ,  G03H2001/005 ,  G03H2001/0216 ,  G03H2001/0445 ,  G03H2001/0452 ,  G03H2001/0456 ,  G03H2001/0875 ,  G03H2001/0883 ,  G03H2001/267 ,  G03H2222/45 ,  G03H2223/20 ,  G03H2223/22 ,  G03H2227/03

摘要： The invention relates to a device, such as a digital holographic microscope (1), for detecting and processing a first full image of a measurement object, measured with a first offset, wherein an arrangement is provided for generating at least one further full image with at least one offset that differs from said first offset.

公开(公告)号：US20170299371A1

公开(公告)日：2017-10-19

申请号：US15513012

申请日：2015-09-18

申请人： NANOLIVE SA

发明人： Yann COTTE ,  Pierre-Alain COTTE ,  Sebastien EQUIS ,  Andreas KERN

IPC分类号： G01B9/02 ,  G03H1/26 ,  G03H1/08 ,  G02B21/36 ,  G02B21/14 ,  G01N21/45 ,  G02B26/08 ,  G03H1/00

CPC分类号： G01B9/02047 ,  G01B9/02068 ,  G01N21/453 ,  G02B21/14 ,  G02B21/367 ,  G02B26/0816 ,  G02B26/108 ,  G03H1/0443 ,  G03H1/0866 ,  G03H1/265 ,  G03H1/268 ,  G03H2001/0038 ,  G03H2001/005 ,  G03H2001/0456

摘要： Microscope (2) comprising a coherent light source (4) producing a coherent light beam (7), a light beam guide system (6) comprising a beam splitter (14) configured to split the coherent light beam (7) into a reference beam (7a) and a sample illumination beam (7b), a sample holder (18) configured to hold a sample (1) to be observed, a sample illumination device (28) configured to direct the sample illumination beam (7b) through the sample and into a microscope objective (37), a beam reuniter (16) configured to reunite the reference beam and sample illumination beam after passage of the sample illumination beam through the sample to be observed, and a light sensing system (8) configured to capture at least phase and intensity values of the coherent light beam downstream of the beam reuniter.

公开(公告)号：US20170023472A1

公开(公告)日：2017-01-26

申请号：US15062092

申请日：2016-03-05

申请人： ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)

发明人： Nicolas PAVILLON ,  Christian DEPEURSINGE

IPC分类号： G01N21/45 ,  G01N21/47 ,  G01J9/00 ,  G03H1/04 ,  G02B21/36 ,  G02B21/08 ,  G02B21/02 ,  G02B21/00 ,  G01B9/02 ,  G03H1/00

CPC分类号： G01N21/453 ,  A61B5/0066 ,  A61B5/0073 ,  G01B9/02041 ,  G01B9/02083 ,  G01J9/00 ,  G01N21/45 ,  G01N21/4795 ,  G01N2021/458 ,  G01N2201/12 ,  G02B21/0092 ,  G02B21/02 ,  G02B21/088 ,  G02B21/365 ,  G03H1/0005 ,  G03H1/0443 ,  G03H1/0866 ,  G03H2001/005 ,  G03H2001/0456

摘要： The disclosed invention describes a new apparatus performing a new data acquisition for quantitative refractive index tomography. It is based on a linear scanning of the specimen, opposed to the classical approaches based on rotations of either the sample or the illumination beam, which are based on the illumination with plane waves, which orientation is successively modified in order to acquire angular information. On the contrary, the inventive apparatus and method rely on a specially shaped illumination, which provides straightforwardly an angular distribution in the illumination of the specimen. The specimen can thus be linearly scanned in the object plane in order to acquire the data set enabling tomographic reconstruction, where the different positions directly possess the information on various angles for the incoming wave vectors.

摘要翻译： 所公开的发明描述了一种执行定量折射层析成像的新数据采集的新装置。 它基于样本的线性扫描，与基于采用平面波照明的样本或照明光束的旋转的经典方法相反，该方向被连续修改以获取角度信息。 相反，本发明的装置和方法依赖于特殊形状的照明，其在样本的照明中提供直接的角度分布。 因此，样本可以在对象平面中线性扫描，以便获取能够进行断层重建的数据集，其中不同的位置直接拥有关于入射波矢量的各种角度的信息。

公开(公告)号：US20170003650A1

公开(公告)日：2017-01-05

申请号：US15115297

申请日：2015-02-05

申请人： LYNCEE TEC S.A.

发明人： Christophe Moser ,  Zahra Monemhaghdoust ,  Frédéric Montfort ,  Christian Depeursinge ,  Yves Emery

IPC分类号： G03H1/04 ,  G02B5/32 ,  G03H1/00

CPC分类号： G03H1/0443 ,  G02B5/32 ,  G03H1/0005 ,  G03H1/041 ,  G03H1/0465 ,  G03H1/0493 ,  G03H2001/005 ,  G03H2001/0445 ,  G03H2001/0452 ,  G03H2001/0456 ,  G03H2001/0473 ,  G03H2222/24 ,  G03H2223/23 ,  G03H2223/26 ,  G03H2227/02

摘要： The techniques, apparatus, material and systems are described for a portable camera device which can be attached to the camera port of a conventional transmission or reflection microscope for complex wave front analysis. At least one holographic element (BS, grating) splits the beam (s) containing the sample information in two beams (r,o) and filters (r′, o′) them. The proposed invention has a relaxed alignment sensitivity to displacement of the beam coming from the microscope. Besides since it compensates the coherence plane tilt angle between reference and object arms, it allows for creating high-visibility interference over the entire field of view. The full-field off-axis holograms provide the whole sample information.

摘要翻译： 对于便携式相机装置描述技术，装置，材料和系统，其可以附接到用于复杂波前分析的常规透射或反射显微镜的相机端口。 至少一个全息元件（BS，光栅）将包含样品信息的光束分成两束（r，o）和滤光片（r'，o'）。 所提出的发明对来自显微镜的光束的位移具有放松的对准灵敏度。 此外，由于它补偿了参考和对象臂之间的相干平面倾斜角，所以它允许在整个视野上产生高可视性的干扰。 全场离轴全息图提供整个样品信息。

公开(公告)号：US20150292858A1

公开(公告)日：2015-10-15

申请号：US14442910

申请日：2013-11-15

申请人： CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS

发明人： Michael Atlan ,  Benjamin Samson

IPC分类号： G01B9/021 ,  G01N21/45 ,  G03H1/00

CPC分类号： G01B9/021 ,  G01N21/453 ,  G03H1/0005 ,  G03H1/0443 ,  G03H1/0866 ,  G03H2001/0033 ,  G03H2001/0456 ,  G03H2001/0463 ,  G03H2210/62 ,  G03H2227/03

摘要： The invention relates to a digital holography method for detecting the vibration amplitude of an object (15) having a vibration frequency ω, comprising: generating object illumination waves (Wt) and reference waves (WLO); acquiring interferograms between the reference wave (WLO) and a signal wave (W≯) by means of a bandwidth a s detector (19), the reference wave comprising two components ELO, ELO1 of frequencies ω1, ω2 that are respectively staggered in relation to the laser frequency ωL by a quantity δ1=γ1ω, and δ2=qω+γ2ωδ, where q is an integer and −0.5≦γ1, γ2≦0.5; and calculating the vibration amplitude of the object from the optical beats spectrum deduced from the complex amplitude of an interferogram.

摘要翻译： 本发明涉及一种用于检测具有振动频率ω的物体（15）的振幅的数字全息方法，包括：产生物体照射波（Wt）和参考波（WLO）; 通过作为检测器（19）的带宽，在参考波（WLO）和信号波（W≯）之间获取干涉图，该参考波包括频率ω1，ω2的两个分量EL0，ELO1，它们分别相对于 激光频率ωL乘以δ1=γ1ω，δ2=qω+γ2ωδ，其中q为整数，-0.5＆nlE;γ1，γ2＆nlE; 0.5; 并从干涉图的复振幅推导出的光拍频谱中计算物体的振幅。

公开(公告)号：US20150176966A1

公开(公告)日：2015-06-25

申请号：US14567436

申请日：2014-12-11

申请人： CANON KABUSHIKI KAISHA

发明人： Akira EGUCHI

IPC分类号： G01B9/02 ,  G01B9/021

CPC分类号： G03H1/0443 ,  G03H2001/0456 ,  G03H2001/046 ,  G03H2001/0471 ,  G03H2210/62 ,  G03H2222/42 ,  G03H2222/44 ,  G03H2223/14

摘要： The imaging apparatus includes an optical system dividing light into object and reference beams and causing the object beam and the reference beam to interfere with each other to form interference fringes on an image sensor. A processor performs multiple imaging processes for the interference fringes with different incident angles of the object beam to an object, a first process to acquire a transmitted wavefront for each incident angle and a second process to calculate a three-dimensional refractive index distribution from the transmitted wavefronts. The apparatus includes a modulator changing a phase distribution of light in any one of an optical path from a light source to a dividing element, a reference beam path and an optical path from a combining element to the image sensor and causes the modulator to change the phase distribution in at least one of the multiple imaging processes.

摘要翻译： 成像装置包括将光分成物体和参考光束并使物体光束和参考光束彼此干涉以在图像传感器上形成干涉条纹的光学系统。 处理器对于具有对象光束到对象的不同入射角的干涉条纹执行多个成像处理，对于每个入射角获取透射波阵面的第一处理和从所传送的第三过程计算三维折射率分布的第二处理 波前。 该装置包括调制器，其改变从光源到分割元件的光路中的任何一个中的光的相位分布，参考光束路径和从组合元件到图像传感器的光路，并且使调制器改变 在多个成像过程中的至少一个中进行相位分布。

公开(公告)号：US08526003B2

公开(公告)日：2013-09-03

申请号：US13083947

申请日：2011-04-11

申请人： Radim Chmelík ,  Pavel Kolman ,  Tomá{hacek over (s)} Slabý ,  Martin Anto{hacek over (s)} ,  Zbyn{hacek over (e)}k Dostál

发明人： Radim Chmelík ,  Pavel Kolman ,  Tomá{hacek over (s)} Slabý ,  Martin Anto{hacek over (s)} ,  Zbyn{hacek over (e)}k Dostál

IPC分类号： G01D5/38 ,  G01B9/02

CPC分类号： G01B9/023 ,  G01B9/02032 ,  G01B9/02047 ,  G01B9/0209 ,  G01B11/2441 ,  G03H1/04 ,  G03H1/0443 ,  G03H1/06 ,  G03H2001/0083 ,  G03H2001/0456 ,  G03H2001/0467 ,  G03H2222/24 ,  G03H2223/23

摘要： In the interferometric system, the image plane is imaged by an output imaging setup via a transmission system of reflectors to the output plane and a reflection type diffraction grating is located in the image plane of an imaging setup of a reference branch. The transmission systems of reflectors are adjusted so that axes of both branches coincide at an entrance to the output plane and parallel with a normal line of the output plane, and an axial beam, diffracted by the reflection type diffraction grating at an angle α, enters into the output plane at an angle β, and the relation between angle β and α is sin(β)=sin(α)/m, where m is a magnification of the output imaging setup. The system enables the achievement of a holographic imaging of an object by low-coherence waves. Incoherent waves allow the imaging of objects immersed in scattering media.

摘要翻译： 在干涉测量系统中，通过输出成像设置将图像平面通过反射器的传输系统成像到输出平面，并且反射型衍射光栅位于参考分支的成像设置的图像平面中。 调整反射器的透射系统，使得两个分支的轴在输出平面的入口处重合，并与输出平面的法线平行，并且由反射型衍射光栅以角度α衍射的轴向光束进入 以角度β进入输出平面，角β和α之间的关系为sin（β）= sin（α）/ m，其中m为输出成像设置的放大倍数。 该系统能够通过低相干波实现对象的全息成像。 不相干波可以使浸入散射介质中的物体成像。

公开(公告)号：US20130148183A1

公开(公告)日：2013-06-13

申请号：US13712787

申请日：2012-12-12

申请人： CANON KABUSHIKI KAISHA ,  The Arizona Board of Regents on behalf of the University of Arizona

发明人： William J Dallas ,  Chung-Chieh Yu ,  Isao Matsubara

IPC分类号： G03H1/22

CPC分类号： G03H1/2202 ,  G03H1/0443 ,  G03H1/0866 ,  G03H2001/0456 ,  G03H2001/0825 ,  G03H2001/2263 ,  G03H2210/13

摘要： An apparatus and method of image reconstruction are disclosed. The method includes first breaking a holographic image into a plurality of interlaced sample sets corresponding to color separation images; and independently sampling, filtering, and reconstructing all sets. The resulting demodulated images contain no fringes. Notably, range-clipped tonal rendering curves are used to choose pixel regions of the demodulated images that will replace saturated regions. The image is reconstructed by integrating all un-saturated images into one.

摘要翻译： 公开了一种图像重构的装置和方法。 该方法包括首先将全息图像分解成对应于分色图像的多个隔行扫描样本集合; 并独立采样，过滤和重建所有集。 所得到的解调图像不包含边缘。 值得注意的是，使用量程剪辑色调渲染曲线来选择将取代饱和区域的解调图像的像素区域。 通过将所有不饱和图像集成为一个来重建图像。