CN113237546B - Method for generating micron focusing rainbow based on medium microspheres and spectrometer - Google Patents
Method for generating micron focusing rainbow based on medium microspheres and spectrometer Download PDFInfo
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- CN113237546B CN113237546B CN202110388633.4A CN202110388633A CN113237546B CN 113237546 B CN113237546 B CN 113237546B CN 202110388633 A CN202110388633 A CN 202110388633A CN 113237546 B CN113237546 B CN 113237546B
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- 239000004005 microsphere Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000006185 dispersion Substances 0.000 claims abstract description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 28
- 238000003384 imaging method Methods 0.000 claims abstract description 23
- 239000002086 nanomaterial Substances 0.000 claims abstract description 21
- 238000012634 optical imaging Methods 0.000 claims abstract description 19
- 230000001678 irradiating effect Effects 0.000 claims abstract description 5
- 239000013307 optical fiber Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000011805 ball Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011806 microball Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- 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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
Abstract
The invention relates to the technical field of optical dispersion, and discloses a method for generating a micron focusing rainbow based on medium microspheres and a spectrometer, wherein BaTiO3 medium microspheres are placed on a common optical disc with a naked nano structure and are placed in an optical imaging system; obliquely irradiating the BaTiO3 medium microspheres by using a white light LED light source, and amplifying the BaTiO3 medium microspheres by using an optical imaging system; imaging the medium microspheres into an image acquisition system, and adjusting an optical imaging system to obtain micron focusing rainbow at the shadow of the BaTiO3 medium microspheres. Compared with the prior art, the invention has the advantages that the BaTiO3 medium microspheres are placed on the optical disc with the naked nano structure, the dispersion capability is good, the micron-scale focusing rainbow is obtained, the method can be applied to manufacturing dispersion-related popular science instruments, can also be used for micron-scale optical decomposition, a novel dispersion system is provided for a spectrometer, and a novel technical support is provided for miniaturization of the spectrometer.
Description
Technical Field
The invention relates to the technical field of optical dispersion, in particular to a method for generating a micron focusing rainbow based on a medium microsphere and a spectrometer.
Background
Rainbow, also known as "rainbow," is an optical phenomenon in nature. In 1666, newtons decomposed the sunlight using a prism to obtain seven colors like a rainbow. Subsequently, the optical principle regarding the rainbow is gradually perfected. The phenomenon that the prism decomposes sunlight is called dispersion, the dispersion of light can be realized by the prism, a diffraction grating, an interferometer and the like at present, and the three kinds of dispersion devices can be used as dispersion systems of spectrometers. However, the chromatic dispersion produced by these optical elements is not focused and requires an additional focusing system. In addition, the large size of these device structures limits the miniaturization of spectrometers.
The ball lens has a converging effect on light. In recent years, microsphere dielectric lenses have been found to produce high intensity, narrow beam focusing. Utilizing these properties, the media microspheres were found to have the ability to be imaged with super-resolution. A great deal of research is carried out on the focusing property of the dielectric microsphere, and the dispersive power of the dielectric microsphere is not found.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides a method for generating a micron focusing rainbow based on a medium microsphere and a spectrometer manufactured by applying the method, wherein the micron focusing rainbow is found in a microscope system by utilizing white light oblique illumination when the medium microsphere is used for observing the nano structure of a common optical disc.
The technical scheme is as follows: the invention provides a method for generating a micron focusing rainbow based on medium microspheres, which comprises the following steps:
s1: mixing BaTiO3Placing the medium microspheres on a common optical disk with a naked nano structure, wherein the common optical disk with the naked nano structure is placed in an optical imaging system;
s2: obliquely irradiating the BaTiO by using a white light LED light source3Dielectric microsphere, BaTiO by optical imaging system3Amplifying the medium microspheres;
s3: imaging the image in S2 to an image acquisition system, adjusting the optical imaging system, and adjusting the BaTiO3Micron focus rainbow is obtained at the shadow of the medium microsphere.
Further, the BaTiO3The diameter of the medium microsphere is 50-200 mu m, and the refractive index is 1.9.
Further, the optical imaging system comprises an imaging system objective lens and an imaging system focusing lens, wherein the imaging system objective lens is arranged on the BaTiO3And the system focusing lens is arranged above the imaging system objective lens.
Furthermore, the common optical disk with the exposed nano structure is provided with a metal coating which has a high reflection effect.
The invention also discloses a spectrometer manufactured by the method for generating the micron focusing rainbow, which is used as a dispersion system of the spectrometer and provides a medium microsphere dispersion system for the spectrometer, wherein the spectrometer comprises an optical fiber joint, a collimating mirror, the medium microsphere dispersion system and an optical detector; the optical fiber connector is arranged on one side of the medium microsphere dispersion system, the collimating mirror is arranged right above the optical fiber connector and is obliquely arranged, and the optical detector is arranged above one side of the medium microsphere dispersion system; and the optical fiber emitted by the optical fiber joint is irradiated to the dielectric microsphere dispersion system after being reflected by the collimating mirror, and the light of the optical fiber after being dispersed by the dielectric microsphere dispersion system is irradiated on the optical detector.
Preferably, the dielectric microsphere dispersion system comprises BaTiO3 dielectric microspheres and a common optical disc with exposed nanostructures, and the BaTiO3 dielectric microspheres are placed on the common optical disc with exposed nanostructures.
Has the advantages that:
1. the invention obtains the micron-scale focusing rainbow smaller than 200 mu m by simple operation steps and simple devices and by utilizing the good dispersion capability of the medium microspheres arranged on the high-reflection surface, is simple and easy to operate.
2. The invention generates micron-scale focusing rainbow through BaTiO3 medium microspheres, designs a visible light spectrometer, collects light by a lens, obliquely irradiates BaTiO3 medium microspheres on a substrate with the same structure as a compact disc, collects and detects the intensity of a dispersion spectrum by a light detector, and collects data and inputs the data into a computer for data analysis. When the medium microspheres are used for observing the nano structure of a common optical disc, white light is obliquely illuminated, a micron-scale focusing rainbow is found in a microscopic system, and the method for generating the focusing rainbow not only provides technical support for a novel optical dispersion popular science instrument, but also can be used for micron-scale optical decomposition, provides a novel dispersion system for a spectrometer, and provides novel technical support for miniaturization of the spectrometer.
Drawings
FIG. 1 is a schematic diagram of an apparatus for operating a method for generating a micro-focusing rainbow based on dielectric microspheres according to the present invention;
FIG. 2 is a schematic view of a micron-focus iris produced by embodiment 1 of the present invention;
FIG. 3 is a schematic view of a micron-focus iris generated by embodiment 2 of the present invention;
fig. 4 is a schematic diagram of a spectrometer according to the present invention.
Wherein, 1-common optical disk with naked nano structure, 2-BaTiO3Medium microball, 3-imaging system objective, 4-imaging system focusing lens and 5-image collecting system6-white light LED light source, 7-optical fiber joint, 8-collimating mirror, 9-medium microsphere dispersion system and 10-optical detector.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Embodiment 1:
the invention discloses a method based on BaTiO3The method for generating the micron focusing rainbow of the medium microsphere comprises the following steps:
s1: the medium microspheres of BaTiO3 with a diameter of 200 μm and a refractive index of 1.9 were placed on a generic optical disc with bare nanostructures, which was placed in an optical imaging system. The common optical disk with the exposed nano structure is provided with a metal coating which has high reflection.
S2: obliquely irradiating the BaTiO by using a white light LED light source3Dielectric microsphere, BaTiO by optical imaging system3And amplifying the medium microspheres. The optical imaging system comprises an imaging system objective lens and an imaging system focusing lens, wherein the imaging system objective lens is arranged on the BaTiO3And a system focusing lens is arranged above the imaging system objective lens.
S3: and imaging the image in the S2 to an image acquisition system, and adjusting an optical imaging system to obtain micron focusing rainbow at the shadow of the BaTiO3 medium microspheres. The image acquisition system can be a mobile phone camera or an existing image acquisition system for acquiring picture information and the like.
The present invention produces a micron focus rainbow by the above method, see in particular fig. 2. The length of the focusing iris is less than 200 μm, and the spectrums of red, orange, yellow, green, blue and violet are respectively distributed from far to near.
Embodiment 2:
s1: the BaTiO3 dielectric microspheres with a diameter of 50 μm and a refractive index of 1.9 were placed on a generic optical disc with bare nanostructures, which was placed in an optical imaging system. The common optical disk with the exposed nano structure is provided with a metal coating which has high reflection.
S2: obliquely irradiating the BaTiO by using a white light LED light source3Dielectric microsphere, BaTiO by optical imaging system3And amplifying the medium microspheres. The optical imaging system comprises an imaging system objective lens and an imaging system focusing lens, wherein the imaging system objective lens is arranged on the BaTiO3And a system focusing lens is arranged above the imaging system objective lens.
S3: imaging the image in S2 to an image acquisition system, adjusting the optical imaging system, and adjusting the BaTiO3Micron focus rainbow is obtained at the shadow of the medium microsphere.
The present invention produces a micron focus iris by the above method, see in particular fig. 3. The length of the focusing iris is less than 50 μm, and the spectrums of red, orange, yellow, green, blue and violet are respectively distributed from far to near.
The invention also discloses a spectrometer using the method for generating the micron focusing rainbow based on the medium microspheres as a dispersion system, and the structural schematic diagram of the spectrometer is shown in the attached figure 4.
The method is used as a dispersion system of a spectrometer, and provides a medium microsphere dispersion system for the spectrometer, wherein the spectrometer comprises an optical fiber connector 7, a collimating mirror 8, a medium microsphere dispersion system 9 and an optical detector 10. The optical fiber connector 7 is arranged on one side of the medium microsphere dispersion system 9, the collimating mirror 8 is arranged right above the optical fiber connector 7 and is obliquely arranged, and the optical detector 10 is arranged above one side of the medium microsphere dispersion system 9; the optical fiber emitted by the optical fiber joint 7 is reflected by the collimating mirror 8 and then irradiated to the dielectric microsphere dispersion system, and the optical fiber is irradiated on the optical detector 10 after being dispersed by the dielectric microsphere dispersion system.
The medium microsphere dispersion system 9 comprises BaTiO3 medium microspheres 2 and a common optical disk 1 with a naked nanostructure, wherein the BaTiO3 medium microspheres 2 are placed on the common optical disk 1 with the naked nanostructure.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. A method for generating a micron focus rainbow based on medium microspheres is characterized by comprising the following steps:
s1: mixing BaTiO3The medium microspheres (2) are placed on a common optical disc (1) with a naked nano structure, and the common optical disc (1) with the naked nano structure is placed in an optical imaging system;
s2: obliquely irradiating the BaTiO with a white LED light source (6)3Dielectric microsphere (2) to BaTiO by optical imaging system3Amplifying the medium microspheres (2);
s3: imaging the image in S2 to an image acquisition system, adjusting the optical imaging system, and adjusting the BaTiO3Micron focus rainbow is obtained at the shadow of the medium microsphere (2).
2. The method of claim 1, wherein the BaTiO is a medium microsphere based micro focused iridescence solution3The diameter of the medium microsphere (2) is 50-200 μm, and the refractive index is 1.9.
3. The method for generating the micro-focusing rainbow based on media microspheres of claim 1, wherein the optical imaging system comprises an imaging system objective lens (3) and an imaging system focusing lens (4), the imaging system objective lens (3) is disposed on the BaTiO3The system focusing lens (4) is arranged above the imaging system objective lens (3).
4. The method for generating micro focusing rainbow based on media microsphere as claimed in claim 1, wherein said common optical disc with bare nano structure is provided with a metal coating film, which has high reflection effect.
5. A spectrometer manufactured by the method for generating micro focusing iridescence of claim 1, wherein the device used in the method is used as a dispersion system of the spectrometer, and a dielectric microsphere dispersion system (9) is provided for the spectrometer, wherein the spectrometer comprises an optical fiber connector (7), a collimating mirror (8), the dielectric microsphere dispersion system (9) and a light detector (10); the optical fiber connector (7) is arranged on one side of the dielectric microsphere dispersion system (9), the collimating mirror (8) is arranged right above the optical fiber connector (7) and is obliquely arranged, and the optical detector (10) is arranged above one side of the dielectric microsphere dispersion system (9); the optical fiber emitted by the optical fiber joint (7) is reflected by the collimating mirror (8) and then irradiates the dielectric microsphere dispersion system (9), and the optical fiber is irradiated on the optical detector (10) through the light dispersed by the dielectric microsphere dispersion system (9).
6. The spectrometer according to claim 5, wherein the dielectric microsphere dispersion system (9) comprises BaTiO3 dielectric microspheres (2) and a plain optical disc (1) with bare nanostructures, the BaTiO3 dielectric microspheres (2) being placed on the plain optical disc (1) with bare nanostructures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388633.4A CN113237546B (en) | 2021-04-12 | 2021-04-12 | Method for generating micron focusing rainbow based on medium microspheres and spectrometer |
| PCT/CN2022/082566 WO2022218117A1 (en) | 2021-04-12 | 2022-03-23 | Dielectric microsphere-based method for generating micron-focused rainbow and spectrometer |
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| CN202110388633.4A CN113237546B (en) | 2021-04-12 | 2021-04-12 | Method for generating micron focusing rainbow based on medium microspheres and spectrometer |
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| CN113237546B true CN113237546B (en) | 2022-03-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305782A (en) * | 2011-08-10 | 2012-01-04 | 浙江大学 | Method and device for analyzing fluorescent correlation spectroscopy based on medium microsphere |
| CN106444069A (en) * | 2016-12-21 | 2017-02-22 | 上海理工大学 | Hollow microsphere for far-field auxiliary super imaging resolution system |
| CN107388984A (en) * | 2017-07-11 | 2017-11-24 | 中国科学院光电技术研究所 | Micro-nano structure super-resolution three-dimensional appearance testing method based on structure light Yu medium microsphere combined modulation |
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| US6947142B2 (en) * | 2003-06-26 | 2005-09-20 | Eastman Kodak Company | Color detection in random array of microspheres |
| US20100245816A1 (en) * | 2009-03-27 | 2010-09-30 | Renishaw Plc | Near-field Raman spectroscopy |
| JP5440110B2 (en) * | 2009-03-30 | 2014-03-12 | 株式会社リコー | Spectral characteristic acquisition apparatus, spectral characteristic acquisition method, image evaluation apparatus, and image forming apparatus |
| JP5655437B2 (en) * | 2009-09-14 | 2015-01-21 | 株式会社リコー | Spectral characteristics acquisition device |
| CN113237546B (en) * | 2021-04-12 | 2022-03-18 | 淮阴工学院 | Method for generating micron focusing rainbow based on medium microspheres and spectrometer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305782A (en) * | 2011-08-10 | 2012-01-04 | 浙江大学 | Method and device for analyzing fluorescent correlation spectroscopy based on medium microsphere |
| CN106444069A (en) * | 2016-12-21 | 2017-02-22 | 上海理工大学 | Hollow microsphere for far-field auxiliary super imaging resolution system |
| CN107388984A (en) * | 2017-07-11 | 2017-11-24 | 中国科学院光电技术研究所 | Micro-nano structure super-resolution three-dimensional appearance testing method based on structure light Yu medium microsphere combined modulation |
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| WO2022218117A1 (en) | 2022-10-20 |
| CN113237546A (en) | 2021-08-10 |
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Effective date of registration: 20230508 Address after: Room 703, Building 15, Shuangyi Entrepreneurship Park, No. 28 Binshui Road, Development Zone, Nantong City, Jiangsu Province, 226299 Patentee after: Jiangsu Shengcheng Instrument Technology Co.,Ltd. Address before: 223005 Jiangsu Huaian economic and Technological Development Zone, 1 East Road. Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |