CN105301790B - The optical system and its illumination angle of divergence adjusting method of central bright spot can be eliminated - Google Patents
The optical system and its illumination angle of divergence adjusting method of central bright spot can be eliminated Download PDFInfo
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- CN105301790B CN105301790B CN201510678120.1A CN201510678120A CN105301790B CN 105301790 B CN105301790 B CN 105301790B CN 201510678120 A CN201510678120 A CN 201510678120A CN 105301790 B CN105301790 B CN 105301790B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 151
- 238000005286 illumination Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title description 10
- 238000003384 imaging method Methods 0.000 claims abstract description 40
- 238000013461 design Methods 0.000 claims abstract description 29
- 230000005855 radiation Effects 0.000 claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009738 saturating Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510678120.1A CN105301790B (en) | 2015-10-20 | 2015-10-20 | The optical system and its illumination angle of divergence adjusting method of central bright spot can be eliminated |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510678120.1A CN105301790B (en) | 2015-10-20 | 2015-10-20 | The optical system and its illumination angle of divergence adjusting method of central bright spot can be eliminated |
Publications (2)
Publication Number | Publication Date |
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CN105301790A CN105301790A (en) | 2016-02-03 |
CN105301790B true CN105301790B (en) | 2018-09-11 |
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Application Number | Title | Priority Date | Filing Date |
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CN201510678120.1A Active CN105301790B (en) | 2015-10-20 | 2015-10-20 | The optical system and its illumination angle of divergence adjusting method of central bright spot can be eliminated |
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CN (1) | CN105301790B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108563033A (en) * | 2018-03-06 | 2018-09-21 | 江西衍光科技有限公司 | The optical system of animated image is formed using collimated laser light diffraction optical element |
CN113009705A (en) * | 2019-12-19 | 2021-06-22 | 苏州苏大维格科技集团股份有限公司 | Structured light assembly for eliminating zero-order diffraction influence |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101256285A (en) * | 2007-12-28 | 2008-09-03 | 安徽华东光电技术研究所 | Refraction-diffraction mixed optical system as well as helmet display using the same |
CN101320216A (en) * | 2008-06-18 | 2008-12-10 | 上海微电子装备有限公司 | Reshaping structure of micro-photoetching illumination iris |
CN201673310U (en) * | 2010-05-04 | 2010-12-15 | 鄢雨 | Device for producing laser rays with uniform angle distribution |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020071472A1 (en) * | 1999-04-30 | 2002-06-13 | Metrologic Instruments, Inc. | DOE-based systems and devices for producing laser beams having modified beam characteristics |
-
2015
- 2015-10-20 CN CN201510678120.1A patent/CN105301790B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101256285A (en) * | 2007-12-28 | 2008-09-03 | 安徽华东光电技术研究所 | Refraction-diffraction mixed optical system as well as helmet display using the same |
CN101320216A (en) * | 2008-06-18 | 2008-12-10 | 上海微电子装备有限公司 | Reshaping structure of micro-photoetching illumination iris |
CN201673310U (en) * | 2010-05-04 | 2010-12-15 | 鄢雨 | Device for producing laser rays with uniform angle distribution |
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CN105301790A (en) | 2016-02-03 |
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Effective date of registration: 20180730 Address after: 310023 Xihu District, Hangzhou, Hangzhou, Zhejiang Province, No. 318 Applicant after: Zhejiang University of Science and Technology Applicant after: Jiaxing Yu light photoelectric technology Co. Ltd. Address before: 310023 Xihu District, Hangzhou, Hangzhou, Zhejiang Province, No. 318 Applicant before: Zhejiang University of Science and Technology Applicant before: HANGZHOU DONG SHANG OPTOELECTRONICS TECHNOLOGY CO., LTD. |
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Effective date of registration: 20211028 Address after: 8 / F, building 3, 1156 Gaoqiao Avenue, Gaoqiao street, Tongxiang City, Jiaxing City, Zhejiang Province, 314500 Patentee after: JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 310023 No. 318 stay Road, Xihu District, Zhejiang, Hangzhou Patentee before: ZHEJIANG University OF SCIENCE AND TECHNOLOGY Patentee before: JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |