WO2004061515A1 - 多層観察型光学顕微鏡及び多層観察ユニット - Google Patents
多層観察型光学顕微鏡及び多層観察ユニット Download PDFInfo
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- WO2004061515A1 WO2004061515A1 PCT/JP2003/016641 JP0316641W WO2004061515A1 WO 2004061515 A1 WO2004061515 A1 WO 2004061515A1 JP 0316641 W JP0316641 W JP 0316641W WO 2004061515 A1 WO2004061515 A1 WO 2004061515A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
- G02B21/08—Condensers
- G02B21/14—Condensers affording illumination for phase-contrast observation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
Definitions
- the present invention relates to an optical microscope, and more particularly to a multilayer observation optical microscope capable of three-dimensionally observing the dynamics of a sample to be observed in real time, and a multilayer observation cut usable for these microscopes.
- microscopes correspond to the depth of the sample surface to be observed by focusing, and confocal microscopes in particular have excellent resolution in the optical axis direction and can observe optical section images of specimens having a three-dimensional structure. It is an optical observation tool that has rapidly spread in recent years in the fields of medicine and biology.
- the principle configuration is that the laser beam emitted from the laser light source 1 is converged by, for example, a microlens of a lens array disk 9 in a double rotating plate 2 (described in detail later), and Transmit through the mirror 11 and focus on the pinhole of the Nipkow disk 10 which is the other rotating plate.
- This measurement is performed by reflecting the fluorescence after passing through the pinhole by the dichroic mirror 11, converging it by the convex lens 12, and making it incident on the high-speed CCD camera 3.
- the object to be observed is a mouse or the like
- the isolated heart 20 or the like is perfused using a force neura 21 and monitored using an electrocardiographic measurement device 22. Irradiating the area to be observed with a laser beam is also effective to some extent.
- due to the high resolution of the confocal microscope in the direction of the optical axis it is necessary to observe multiple levels at different depths in order to capture real-time three-dimensional images of living cells and tissues.
- Patent Document 1 Japanese Patent Application Laid-Open No. H06-3141955
- Non-Patent Document 1 Japanese Patent Application Laid-Open No. H06-3141955
- Patent Document 1 Japanese Patent Application Laid-Open No. H06-3141955
- Non-Patent Document 1 Olet-Patent Document 1
- Synthesis column Internet URL: http: ⁇ www.nagano-itgo.jp / seimitu / setubi / se-shuuseki 10 /se-04iaser.html (Specification column)) See
- real-time 3D observation was not possible. Disclosure of the invention
- a basic object of the present invention is to provide an optical system structure that optically solves the difficulty of three-dimensional scanning in an optical microscope system including a conventional confocal laser microscope as described above.
- a further object of the present invention is to provide an optical system structure capable of observing the three-dimensional dynamics of living tissue cells at a high speed with a fluorescence microscope.
- a first aspect of the present invention is to dispose a convergent Z collimating lens pair on an objective lens in an optical axis through which an irradiation light beam to be incident on a sample to be observed from the lens is incident.
- a phase changing means between these lenses to change the phase of the transmitted light within a predetermined range of the optical axis cross section, the phase of the irradiating light beam incident on the objective lens can be adjusted according to the phase of the wavefront.
- the optical microscope is configured to irradiate the sample with a focal point at a depth.
- the wavefront of the irradiating light beam that has exited the collimating lens via the phase changing means has a surface crossing the optical axis from the optical axis for each state of the phase changing means heading toward the collimating lens.
- the degree of the phase shift occurring toward the periphery in the inside is different, and if the phase shift is large, the depth of the focal point which is incident on the objective lens and formed is correspondingly deep.
- the width of this depth change can be widened according to the wavelength of the irradiated light beam. In the clear, it can be up to about 100 ⁇ in the visible wavelength range (depending on the magnification and magnification of the objective lens used).
- the second invention is characterized in that an optical axis for arranging the converging / collimating lens pair is provided with an irradiating light beam applied to the sample to be observed through an objective lens in a confocal microscope. It is configured to have a common optical axis with an observation light beam emitted from the sample and passing through the objective lens in the opposite direction.
- the technical effect of the first invention is that the confocal microscope Is best demonstrated in
- the observation light beam is a light beam containing information on the sample to be observed, and is a fluorescent light or a reflected light excited by the irradiation light.
- a third aspect of the present invention is the above-mentioned basic configuration, wherein the phase changing means arranges a plurality of phase plate segments having different optical characteristics in a stepwise manner, and each segment is sequentially arranged on the optical axis. It consists of a rotating plate that is installed across the road. '
- the phase changing means composed of the rotating plate is capable of gradually changing the thickness of the isotropic transparent film which is an element of each phase plate segment, so that their optical characteristics can be improved. Can be different.
- the phase changing means including the rotating plate is configured to change the refractive index of the isotropic transparent film, which is an element of each phase plate segment, in a stepwise manner.
- Target characteristics can be different.
- a sixth aspect of the present invention provides an object to be observed by synchronizing two-dimensional scanning of a sample stage of an optical microscope to which the present invention is applied and phase scanning of the phase changing means.
- the three-dimensional dynamics of the sample can be observed.
- a CCD camera arranged at the end of the fluorescence observation optical path for example, an existing intensified high-speed CCD camera with an imaging speed of 100 frames / second, a three-dimensional image of the generated tissue can be obtained. Dynamics can be observed at high speed.
- the first observation position in the optical axis direction by moving the sample stage or objective lens A control means, a pair of converging / collimating lenses arranged in an optical axis through which an irradiation light to be incident on the sample to be observed from the lens to the objective lens, and a phase of the transmitted light between the lenses
- a second optical axis direction observation position control means comprising a phase changing means for changing within a predetermined range of the axial cross section, observation of a sample to be observed in a deep optical axis direction is enabled. Observation in the optical axis direction can be observed in a short time in detail.
- the control lengths of the first optical axis direction observation position control means and the second optical axis direction observation position control means must be standardized in advance. It becomes possible by keeping it. Also, by standardizing the control length of each of the first and second optical axis direction observation position control means, the length of the optical axis direction can be shortened by the second optical axis direction observation position control means in a short time.
- a pair of converging and z-collimating lenses is arranged in the optical axis where the irradiation light beam is incident on the sample to be observed from the objective lens with respect to the objective lens, and the phase of the transmitted light is set between the lenses and the cross section of the optical axis.
- the sample is focused at a depth corresponding to the phase of the wavefront of the irradiation light beam entering the objective lens.
- three-dimensional inspection methods for samples in the medical and biological fields and samples in the electro-static field will be possible. That is, a step of preparing a sample to be observed having an optically three-dimensional structure, a step of placing the sample to be observed on a sample stage, and a step of preparing the sample to be observed by using the configuration of the optical microscope of the sixth invention.
- the process of measuring the original digital data and the sample Setting three-dimensional inspection criteria digital data that can be judged as a normal three-dimensional shape, and comparing the measured three-dimensional digital data of the observed sample with the inspection criteria digital data. It is possible to determine whether the observed sample is normal. By repeatedly measuring three-dimensional data, dynamics can be detected.
- a sample to be observed When preparing a sample in the medical and biological field, a sample to be observed can be prepared that can be optically and clearly observed by mixing a fluorescent material into the sample.
- the preparation of a sample in the field of electro-exposition is a process of forming irregularities on the surface of a substrate to be manufactured.
- a seventh aspect of the present invention provides a basic configuration that enables the focal depth of an objective lens to be adjusted regardless of a change in an optical path length, by sequentially adjoining a plurality of phase plate segments having different optical characteristics in a circumferential direction.
- the phase plate segments are sequentially formed by the two rotating lenses arranged in such a manner that they enter the objective lens and are inserted between the two lenses in the converging / collimating lens pair arranged in the optical axis.
- a multi-layer observation unit that acts as a phase changing means for changing the phase of transmitted light for each segment within a predetermined range of the cross section of the optical axis at different degrees when crossing the optical axis.
- An object of the present invention is to provide a multi-layer observation unit in which the depth of focus is changed according to the phase of the wavefront of a light beam that enters the objective lens through the cut.
- the multi-layer observation type real-time optical microscope of the present invention in particular, a confocal microscope, it is possible to observe the three-dimensional structure of a cell or a living tissue with high precision as it is.
- the operation of the three-dimensional living tissue is originally visualized by replacing it with a two-dimensional plane by cell culture or the like in a petri dish. This is because it is hard to say that the subject has a natural appearance, but in the present invention, the operation of the living body is visualized at high speed and three-dimensionally.
- FIG. 1 is an optical system configuration diagram showing a preferred embodiment of the multilayer observation type real-time confocal microscope of the present invention.
- FIG. 2 is a configuration diagram of a multilayer observation unit which is a main part of the embodiment of FIG. 1 and shows a mode in which the depth of focus increases in the order of (a), (b), and (c).
- FIG. 3 shows the two-dimensional scanning (optical) of (a) the shallowest Z1 level, (b) the intermediate Z2 level, and (c) the deepest Z3 level in the multilayer observation type real-time confocal microscope of the embodiment.
- FIG. 4 is a schematic diagram showing a procedure for performing a tomographic image) and synthesizing a three-dimensional image.
- FIG. 4 is a schematic diagram showing a state in which an actual living tissue is observed with the multilayer observation real-time confocal microscope of the present invention.
- FIG. 5 is a schematic diagram showing a state in which rat heart tissue is observed by a conventional confocal microscope.
- the present invention constitutes a multi-layer observation kit that enables high-speed observation of three-dimensional dynamics of cell tissues and the like.
- the overall configuration of the microscope consists of a multi-layer observation unit (observation depth: z-direction) between a microscope that is already in practical use and observes a two-dimensional (xy) plane at high speed and a light source (laser) used for it.
- an optical phase plate array disk is used as a phase changing means that constitutes a unit for observing a multi-layer structure.
- segments (arc-shaped pieces) of an optical phase plate having sequentially different optical characteristics are arranged and arranged in a disk shape, and each segment is arranged so as to sequentially cross the optical axis by rotating, thus achieving high speed. Change the observation depth to each depth
- Applicable optical microscopes include confocal microscopes, general fluorescent microscopes, two-photon microscopes, and other optical microscopes that irradiate a sample to be observed with light using an objective lens. Section describes the most effective confocal microscope.
- FIG. 1 is a laser light source
- 2 is a high-speed confocal scanner with a double rotating disk
- 3 is an intensified high-speed CCD camera
- 4 is a laser beam that has exited the pinhole of a high-speed confocal scanner 2.
- a convex lens that collimates that is, collimates
- 5 is a converging lens
- 6 is a second convex lens that collimates one laser beam that has emerged from the converging lens 5 and has been inverted, and between the lenses 5 and 6.
- An array disk of an optical phase plate as a phase changing means constituting the multilayer observation unit 7 of the present invention is arranged.
- the collimated laser light emitted from the lens 6 enters the fluorescence phase contrast microscope unit 8.
- the high-speed confocal scanner 2 has a microlens array disk 9 on the side of the laser light source 1 and a so-called two-bow disk 10 in which a number of pinholes are arranged spirally on the side of the collimating lens 4 and is coaxially and opposed to each other.
- the micro-lens array of the disk 9 is of course also a spiral shape corresponding to the pin ho / rare array.
- the high-speed rotation of both disks 9, 10, for example, results in a maximum of 100
- the optical axis can be scanned X_y in frame Z seconds.
- a dichroic mirror 11 that transmits the excitation laser beam and reflects the fluorescence returned from the observation sample is disposed between the two disks 9 and 10, and a convex lens 12 is disposed in the fluorescence reflection optical path.
- An image is formed on the light receiving surface of the CCD camera 3.
- the CCD camera 3 can capture an X-y scan image of the optical axis at a maximum speed of 1000 frames / second in correspondence with the high-speed confocal scanner 2.
- the multilayer observation unit 7 of the present invention is shown only on the side together with the drive motor 13 in the optical system of FIG. 1, a specific configuration example is shown at the top of the figure.
- a plurality of phase plate segments a, b, c--'having different optical characteristics are arranged in a disk shape.
- the aspect in which the optical characteristics differ stepwise from segment to segment is as follows: when the isotropic transparent film (not shown separately in the perspective view) constituting the element of each phase plate segment is made of the same film material, it is oblique.
- a force that changes the thickness stepwise, a stepless change in the refractive index while keeping the thickness constant, or a combination of both is adopted.
- the laser beam passing from the collimating lens 6 through the multi-layer observation unit 7 enters the objective lens 14 in the fluorescence phase contrast microscope unit 8, and at a variable depth, as shown schematically here, Cells contained in a petri dish or the like are focused on the tissue sample 15. Also, in this case, for convenience of the optical system configuration, an optical path bending mirror 16 composed of a plane mirror is disposed in front of the objective lens 14 in the microscope unit 8 (see FIG. 1).
- FIG. 6 is a schematic diagram showing a procedure for depth adjustment to be performed.
- (a) is the case where the phase plate element of the segment in the optical path of the multilayer observation unit 7 is the thinnest
- (b) and (c) are the cases where the thickness becomes thicker in that order. Align the reference image plane with each intermediate level and draw! /.
- phase plate element 7 (a) since the phase plate element is thin, it exits from the periphery of the converging lens 5, enters the phase plate element 7 (a), intersects with the optical axis, and then exits the element 7 (a). Is relatively short (therefore, the distance difference from the optical axis passage part is also short), and the phase difference between the part and the optical axis emission part (the former phase delay) is relatively small. Therefore, the level at which these light waves are focused by the objective lens 14 is the highest Z 1 in the sample 15.
- the phase plate element since the phase plate element is slightly thicker than (a), it exits from the periphery of the converging lens 5 and enters the phase plate element 7 (b), and after crossing the optical axis, b)
- the distance to exit is slightly longer (therefore, the distance difference from the optical axis passage part is also slightly longer), and the phase difference between that part and the optical axis emission part (the former phase delay) is also slightly longer.
- the level at which these light waves are focused by the objective lens 14 is the next level (here, the intermediate position) Z 2 in the sample 15.
- the phase plate element since the phase plate element is even thicker than (b), it exits from the periphery of the converging lens 5 and enters the phase plate element 7 (c), intersects with the optical axis, and c)
- the distance before exiting is longer (therefore, the distance difference from the optical axis passage portion is further longer), and the phase difference between that portion and the optical axis exit portion (the former phase delay) is further longer. Therefore, the level at which these light waves are focused by the objective lens 14 is the next level (here, the lowest level) Z 3 in the sample 15.
- the phase plate element of the multilayer observation unit 7 becomes thicker each time it is displaced with the segments a., B, c,. It can be seen that the depth of focus of the wavefront exiting from the optical axis point to the periphery effectively displaces a sufficient distance.
- This depth displacement is not limited to the case where the thickness of each phase plate segment element (isotropic transparent film) in the multilayer observation unit 7 changes stepwise as in the above-described embodiment, and the thickness remains unchanged. It is clear that this also occurs when the refractive index is changed step by step, or when a combination of both is adopted.
- FIG. 3 is a schematic diagram showing the principle of the procedure for obtaining a real-time three-dimensional image by measuring optical tomographic images while sequentially changing the observation depth using the high-speed confocal microscope of the present invention and synthesizing them.
- the observed sample is two-dimensionally scanned at the focus level Z1 established by the phase plate segment element in Fig. 2 (a).
- the phase plate segment in Fig. 2 (b) is scanned.
- the observed sample is two-dimensionally scanned at the focal level Z2 established by the element
- Fig. 3 (C) the observed sample is two-dimensionally scanned at the focal level Z3 established by the phase plate segment element in Fig. 2 (C).
- the plurality of lines 18 drawn at each level are scanning lines formed according to the number of microlenses / pinhole arrays in the double plates 9 and 10 of the high-speed confocal scanner 2 shown in FIG.
- Reference numeral 19 denotes a focal point where the laser beam 17 is formed on the scanning line.
- the fluorescent light that follows the same path as the outward laser beam in the opposite direction is similarly adjusted in wavefront phase by the multilayer observation unit 7, As described above, the light is received and image-processed by the high-speed CCD camera 3 through the pinhole at the optical axis position in the epoch disk 10 of the high-speed confocal scanner 2 and reflected by the dike mirror 11 through the convex lens 12. It is on the street.
- the processes shown in FIGS. 3 (a) to 3 (c) are preferably performed in about 10 seconds, and are synthesized as a three-dimensional image after the image is acquired by the high-speed CCD camera 3.
- FIG. 4 shows a case where the cells of the myocardial infarction 24 in the left ventricle 23 and the left coronary artery tissue of the living body are observed in real time by the real-time confocal microscope of the present invention.
- FIG. The laser beam 17 emitted from the laser beam tip (objective lens) 25 of the confocal microscope is multi-layered two-dimensionally scanned according to the above-described embodiment, and the cells in this region 24 are observed in real time by a three-dimensional image. For example, it is easy to find out that gangrene has occurred.
- 26 is the atrium and 27 is the aorta.
- the entire left ventricle 23 can be observed by moving the sample stage or the objective lens in the optical axis direction.
- the multi-layer observation unit By standardizing the moving distance of the sample stage or objective lens in the optical axis direction and the moving distance of the focal point by the multi-layer observation unit, and synchronizing the observation, it is possible to observe a wide area and local detailed observation as shown in Fig. 4. Three-dimensional observation can be performed by overlapping.
- the depth of the sample to be observed in the optical axis direction can be measured quickly.
- the depth of the different observation surfaces can be measured.
- the focal length in the optical axis direction can be controlled in an analog manner.
- a material having the Pockels effect for example, there is Li NbO 3 (lithium niobate) crystal.
- CS 2 which is a liquid.
- the microscope of the present invention can perform three-dimensional observation and length measurement simultaneously at an early time. Therefore, it is most suitable not only for testing but also for the inspection process at the production stage of microdevices.
- the moving distance range in the optical axis direction can be widened.
- the magnification of the converging Z-collimating lens of the multilayer observation unit according to the size of the sample to be observed, the sample to be observed can be three-dimensionally observed in one scan.
- the size of the multilayer observation unit can be reduced. This downsizing of the phase changing means facilitates speeding up the phase changing.
- a sample to be observed having an optically three-dimensional structure is prepared.
- a sample to be observed that can be clearly observed optically by mixing a fluorescent material into the sample is prepared.
- irregularities are formed on the surface of the wafer by etching or the like. Place the sample to be observed on the sample stage to determine whether it is normal or not, including the absolute value of the depth of the irregularities.
- the three-dimensional digital data of the sample to be observed is measured using the configuration of the optical microscope of the present invention.
- digital data obtained by observing a sample with a normal three-dimensional shape is set as inspection determination reference digital data.
- inspection determination reference digital data By comparing the measured three-dimensional digital data of the inspection sample for inspection with the inspection determination reference digital data, it is possible to determine whether the inspection sample is normal.
- By repeatedly measuring three-dimensional digital data it is possible to examine dynamics that change over time. In the case of this dynamic inspection, it becomes possible by performing synchronous evaluation of three-dimensional data scanning at an accurate time. For dynamic inspection, it is necessary to set three-dimensional digital data for inspection criteria that changes with time before the inspection.
- the multilayer observation real-time optical microscope of the present invention particularly the confocal microscope, it is possible to observe the three-dimensional structure of cells or living tissue with high accuracy as it is.
- the operation of the three-dimensional living tissue is originally visualized by replacing it with a two-dimensional plane by cell culture or the like in a petri dish.
- the present invention provides a three-dimensional visualization of living organisms at high speed. Because it was done.
- the real-time optical microscope of the present invention it is only necessary to insert the above-mentioned multilayer observation unit into the optical path immediately before the objective lens of the conventional optical microscope, so that it can be implemented at a relatively low cost.
- the industrial benefits are also very large.
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/540,600 US7366394B2 (en) | 2002-12-27 | 2003-12-24 | Multilayer observation optical microscope and multilayer observation unit |
AU2003296100A AU2003296100A1 (en) | 2002-12-27 | 2003-12-24 | Multilayer observation optical microscope and multilayer observation unit |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2002379869 | 2002-12-27 | ||
JP2002-379869 | 2002-12-27 | ||
JP2003337105A JP4239166B2 (ja) | 2002-12-27 | 2003-09-29 | 多層観察型光学顕微鏡及び多層観察ユニット |
JP2003-337105 | 2003-09-29 |
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WO2004061515A1 true WO2004061515A1 (ja) | 2004-07-22 |
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PCT/JP2003/016641 WO2004061515A1 (ja) | 2002-12-27 | 2003-12-24 | 多層観察型光学顕微鏡及び多層観察ユニット |
Country Status (4)
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US (1) | US7366394B2 (ja) |
JP (1) | JP4239166B2 (ja) |
AU (1) | AU2003296100A1 (ja) |
WO (1) | WO2004061515A1 (ja) |
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JP4797425B2 (ja) * | 2005-04-12 | 2011-10-19 | カシオ計算機株式会社 | 光源ユニット及び投影装置 |
EP2703871A3 (en) * | 2005-05-25 | 2014-09-03 | Massachusetts Institute Of Technology | Multifocal scanning microscopy systems and methods |
DE102005036486A1 (de) * | 2005-07-20 | 2007-01-25 | Leica Microsystems (Schweiz) Ag | Optisches Gerät mit erhöhter Schärfentiefe |
JP2007079278A (ja) * | 2005-09-15 | 2007-03-29 | Univ Of Tokyo | 物質状態測定装置 |
EP1936422A4 (en) * | 2005-10-13 | 2013-01-16 | Nikon Corp | MICROSCOPE |
US8537461B2 (en) * | 2007-11-26 | 2013-09-17 | Carl Zeiss Microimaging Gmbh | Method and configuration for the optical detection of an illuminated specimen |
US8987684B2 (en) * | 2007-12-19 | 2015-03-24 | Koninklijke Philips N.V. | Detection system and method |
JP5242304B2 (ja) * | 2008-09-04 | 2013-07-24 | オリンパスメディカルシステムズ株式会社 | 観測システム |
JP5504881B2 (ja) | 2009-12-25 | 2014-05-28 | ソニー株式会社 | 演算装置、演算方法、演算プログラム及び顕微鏡 |
JP5056871B2 (ja) * | 2010-03-02 | 2012-10-24 | 横河電機株式会社 | 共焦点顕微鏡システム |
JP5221614B2 (ja) * | 2010-09-17 | 2013-06-26 | 独立行政法人科学技術振興機構 | 3次元共焦点観察用装置及び観察焦点面変位・補正ユニット |
ITTO20110298A1 (it) * | 2011-04-01 | 2012-10-02 | St Microelectronics Srl | Rilevatore ottico confocale, schiera di rilevatori e relativo procedimento di fabbricazione |
US9104027B2 (en) * | 2012-04-27 | 2015-08-11 | Manufacturing Techniques, Inc. | Optical instrument for the simulation of atmospheric turbulence |
US9696264B2 (en) * | 2013-04-03 | 2017-07-04 | Kla-Tencor Corporation | Apparatus and methods for determining defect depths in vertical stack memory |
JP6318358B2 (ja) * | 2013-04-08 | 2018-05-09 | 株式会社ニューフレアテクノロジー | 照明装置および検査装置 |
WO2015164844A1 (en) * | 2014-04-24 | 2015-10-29 | Vutara, Inc. | Super resolution microscopy |
CN104101993B (zh) * | 2014-07-10 | 2017-04-19 | 深圳职业技术学院 | 傅立叶显微镜装置及信息共享系统及其信息共享方法 |
US10317597B2 (en) * | 2014-08-26 | 2019-06-11 | The Board Of Trustees Of The Leland Stanford Junior University | Light-field microscopy with phase masking |
EP3268715A1 (en) | 2015-03-11 | 2018-01-17 | Timothy Ragan | System and methods for serial staining and imaging |
US10495446B2 (en) * | 2015-06-29 | 2019-12-03 | Kla-Tencor Corporation | Methods and apparatus for measuring height on a semiconductor wafer |
KR101900254B1 (ko) * | 2017-04-25 | 2018-09-19 | 충북대학교 산학협력단 | 홀로그램 광학소자 마이크로 렌즈 어레이를 이용한 집적영상 현미경 시스템 |
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2003
- 2003-09-29 JP JP2003337105A patent/JP4239166B2/ja not_active Expired - Fee Related
- 2003-12-24 WO PCT/JP2003/016641 patent/WO2004061515A1/ja active Application Filing
- 2003-12-24 US US10/540,600 patent/US7366394B2/en not_active Expired - Fee Related
- 2003-12-24 AU AU2003296100A patent/AU2003296100A1/en not_active Abandoned
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US6094300A (en) * | 1996-11-21 | 2000-07-25 | Olympus Optical Co., Ltd. | Laser scanning microscope |
JPH1138324A (ja) * | 1997-07-23 | 1999-02-12 | Nikon Corp | レーザ走査顕微鏡 |
JP2002287035A (ja) * | 2001-02-06 | 2002-10-03 | Leica Microsystems Heidelberg Gmbh | 走査型顕微鏡及び走査型顕微鏡用モジュール |
Also Published As
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US7366394B2 (en) | 2008-04-29 |
US20060147176A1 (en) | 2006-07-06 |
JP4239166B2 (ja) | 2009-03-18 |
JP2004219987A (ja) | 2004-08-05 |
AU2003296100A1 (en) | 2004-07-29 |
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