RU2015113859A - TWO CHANNEL DIFFRACTION PHASE MICROSCOPE - Google Patents
TWO CHANNEL DIFFRACTION PHASE MICROSCOPE Download PDFInfo
- Publication number
- RU2015113859A RU2015113859A RU2015113859A RU2015113859A RU2015113859A RU 2015113859 A RU2015113859 A RU 2015113859A RU 2015113859 A RU2015113859 A RU 2015113859A RU 2015113859 A RU2015113859 A RU 2015113859A RU 2015113859 A RU2015113859 A RU 2015113859A
- Authority
- RU
- Russia
- Prior art keywords
- lens
- diffraction
- focal plane
- light
- phase module
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 claims abstract 3
- 230000005540 biological transmission Effects 0.000 claims abstract 2
- 230000005855 radiation Effects 0.000 claims abstract 2
- 238000001228 spectrum Methods 0.000 claims abstract 2
- 238000002834 transmittance Methods 0.000 claims 2
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
- G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
1. Дифракционный фазовый микроскоп, включающий первый источник света с центральной длиной волны λ1, микрообъектив для сбора света от первого источника, прошедшего через объект, и направления света на тубусную линзу, предназначенную для формирования изображения на дифракционной решетке на пропускание, расположенной в задней фокальной плоскости тубусной линзы; первую линзу дифракционного фазового модуля, передняя фокальная плоскость которой совпадает с плоскостью дифракционной решетки; вторую линзу дифракционного фазового модуля, передняя фокальная плоскость которой совпадает с задней фокальной плоскостью первой линзы дифракционного фазового модуля; пространственный фильтр с окном для прохождения 1-го порядка дифракциии окном для прохождения 0-го порядка дифракции, выполненным с возможностью блокирования высоких частот пространственного спектра, пространственный фильтр установлен в задней фокальной плоскости первой линзы дифракционного фазового модуля; матрица фотодетектора, расположенная в задней фокальной плоскости второй линзы дифракционного фазового модуля, отличающийся тем, что включает второй источник света с центральной длиной волны λ2, делительный куб, размещенный между микрообъективом и тубусной линзой для освещения объекта излучением от второго источника, при этом микрообъектив предназначен для сбора света от второго источника, и освещения объекта параллельным пучком света, а также предназначен для направления света, отраженного от объекта, на тубусную линзу; окно пространственного фильтра для прохождения 1-го порядка дифракции выполнено с возможностью пропускания света от обоих источников;1. A diffraction phase microscope, including a first light source with a central wavelength λ1, a micro lens for collecting light from the first source that passed through the object, and directing light to a tube lens designed to form an image on a transmission diffraction grating located in the rear focal plane tube lens; the first lens of the diffraction phase module, the front focal plane of which coincides with the plane of the diffraction grating; a second lens of the diffractive phase module, the front focal plane of which coincides with the rear focal plane of the first lens of the diffractive phase module; spatial filter with a window for passing the 1st order of diffraction and a window for passing the 0th order of diffraction, configured to block high frequencies of the spatial spectrum, the spatial filter is installed in the rear focal plane of the first lens of the diffraction phase module; a photodetector matrix located in the rear focal plane of the second lens of the diffraction phase module, characterized in that it includes a second light source with a central wavelength λ2, a dividing cube located between the micro lens and the tube lens to illuminate the object by radiation from the second source, while the micro lens is designed to collecting light from a second source, and illuminating the object with a parallel beam of light, and is also intended to direct light reflected from the object to the tube lens; the spatial filter window for passing through the 1st diffraction order is configured to transmit light from both sources;
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015113859A RU2608012C2 (en) | 2015-04-15 | 2015-04-15 | Two-channel diffraction phase-contrast microscope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015113859A RU2608012C2 (en) | 2015-04-15 | 2015-04-15 | Two-channel diffraction phase-contrast microscope |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2015113859A true RU2015113859A (en) | 2016-11-10 |
RU2608012C2 RU2608012C2 (en) | 2017-01-11 |
Family
ID=57267684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2015113859A RU2608012C2 (en) | 2015-04-15 | 2015-04-15 | Two-channel diffraction phase-contrast microscope |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2608012C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2673784C1 (en) * | 2018-02-08 | 2018-11-29 | Федеральное государственное бюджетное учреждение науки Научно-технологический центр уникального приборостроения Российской академии наук (НТЦ УП РАН) | Two-component general track interferometer |
CN109633882B (en) * | 2019-01-24 | 2021-01-05 | 宁波舜宇仪器有限公司 | Phase contrast microscope and debugging method thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9360423B2 (en) * | 2011-07-01 | 2016-06-07 | Canon Kabushiki Kaisha | Optical system for a holographic microscope including a spatial filter |
WO2013093975A1 (en) * | 2011-12-22 | 2013-06-27 | Sekisui Integrated Research Inc. | Quantitative phase measurement apparatus |
US8837045B2 (en) * | 2012-09-21 | 2014-09-16 | The Board Of Trustees Of The University Of Illinois | Diffraction phase microscopy with white light |
-
2015
- 2015-04-15 RU RU2015113859A patent/RU2608012C2/en active
Also Published As
Publication number | Publication date |
---|---|
RU2608012C2 (en) | 2017-01-11 |
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