WO2023098349A1 - Dispositif et procédé de mesure de paramètres de lentille optique - Google Patents

Dispositif et procédé de mesure de paramètres de lentille optique Download PDF

Info

Publication number
WO2023098349A1
WO2023098349A1 PCT/CN2022/127616 CN2022127616W WO2023098349A1 WO 2023098349 A1 WO2023098349 A1 WO 2023098349A1 CN 2022127616 W CN2022127616 W CN 2022127616W WO 2023098349 A1 WO2023098349 A1 WO 2023098349A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
optical
light
fiber arm
filter
Prior art date
Application number
PCT/CN2022/127616
Other languages
English (en)
Chinese (zh)
Inventor
刘力威
徐亮
陈珂
崔银川
杨燕飞
Original Assignee
宁波法里奥光学科技发展有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波法里奥光学科技发展有限公司 filed Critical 宁波法里奥光学科技发展有限公司
Publication of WO2023098349A1 publication Critical patent/WO2023098349A1/fr

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0228Testing optical properties by measuring refractive power
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0207Details of measuring devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties
    • G01M11/0221Testing optical properties by determining the optical axis or position of lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods

Definitions

  • the invention relates to the technical field of optical lens parameter detection, in particular to an optical lens parameter measurement device and method.
  • the refractive index of the medium in contact with the front and rear surfaces such as placing the lens in a solution with a known refractive index, or attaching a flexible medium with a known refractive index to the front and rear surfaces of the lens, and testing the optical power of the lens in air and in solution respectively, according to
  • the refractive index of the lens material can be calculated from the change of optical power and the refractive index of the solution. This method is also complicated to operate and difficult to detect.
  • the light emitted by the first light source enters the coupling assembly through the first fiber arm, and is divided into two beams, one of which enters the first collimating lens through the second fiber arm, and is reflected by the movable reference mirror.
  • the reflected light of the mirror is collected by the first collimating lens and enters the second fiber arm again, and enters the fourth fiber arm through the coupling assembly; another beam of light enters the second collimating lens through the third fiber arm, and is collimated by the second
  • the lens is focused, it is projected onto the Hartmann diaphragm, and then reflected by the upper surface of the Hartmann diaphragm, it returns to the original path, is focused by the second collimator lens and enters the third fiber arm, and then enters the first optical fiber arm through the coupling assembly.
  • the four-fiber arm it is fused with the reflected light of the movable reference mirror. When the optical paths of the two beams of light fused together are equal, the interference phenomenon will occur, so as to calculate the
  • the first light source is a white light source with a spectral range of 450-680nm.
  • this method can realize the high-precision measurement of the specific wavelength refractive index and optical power of the finished lens without destroying the finished lens, the operation is simple, the detection is fast, and it is suitable for aspheric lenses Refractive index measurement of irregular surface lenses such as cylindrical lenses.
  • the device can realize high-precision measurement of specific wavelength refractive index and optical power of the finished lens without destroying the finished lens.
  • the operation is simple, the detection is fast, and it is non-contact detection.
  • the method is applicable to the measurement of the refractive index of irregular surface lenses such as aspherical lenses and cylindrical lenses.
  • a method for measuring optical lens parameters is executed on the above-mentioned optical lens parameter measuring device, and the method includes the following steps:

Abstract

L'invention concerne un dispositif de mesure de paramètres de lentille optique. Le dispositif de mesure de paramètres de lentille optique de la présente invention comprend une unité de détection d'interférences optiques, une unité de détection de réfraction et une unité de détection de signaux d'interférences ; l'unité de détection d'interférences optiques comprend un ensemble de couplage (1), un premier bras de fibre optique (2), un deuxième bras de fibre optique (3), un troisième bras de fibre optique (4), un quatrième bras de fibre optique (5), une première source de lumière (6), une première lentille de collimation (7), une deuxième lentille de collimation (8), un miroir de référence mobile (9), un diaphragme de Hartmann (10), une caméra (11) et une lentille de mesure (12) ; l'unité de détection de la réfraction comprend une seconde source lumineuse (13), une troisième lentille de collimation (14) et une première feuille séparatrice de faisceau (15) ; l'unité de détection de signaux d'interférence comprend une quatrième lentille de collimation (16), une deuxième feuille séparatrice de faisceau (17), une troisième feuille séparatrice de lumière (18), un premier filtre optique (19), un deuxième filtre optique (20), un troisième filtre optique (21), un premier détecteur photoélectrique (22), un deuxième détecteur photoélectrique (23) et un troisième détecteur photoélectrique (24). L'invention concerne un procédé de mesure de paramètres de lentille optique exécuté sur ledit dispositif de mesure de paramètres de lentille optique. La mesure de haute précision de l'indice de réfraction d'une longueur d'onde donnée et de la puissance optique d'une lentille finie peut être réalisée sans endommager la lentille finie, l'opération est simple et la détection est rapide.
PCT/CN2022/127616 2021-11-30 2022-10-26 Dispositif et procédé de mesure de paramètres de lentille optique WO2023098349A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111438268.XA CN114199522A (zh) 2021-11-30 2021-11-30 一种光学镜片参数测量装置及方法
CN202111438268.X 2021-11-30

Publications (1)

Publication Number Publication Date
WO2023098349A1 true WO2023098349A1 (fr) 2023-06-08

Family

ID=80649534

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/127616 WO2023098349A1 (fr) 2021-11-30 2022-10-26 Dispositif et procédé de mesure de paramètres de lentille optique

Country Status (2)

Country Link
CN (1) CN114199522A (fr)
WO (1) WO2023098349A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114199522A (zh) * 2021-11-30 2022-03-18 宁波法里奥光学科技发展有限公司 一种光学镜片参数测量装置及方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151752A (en) * 1988-06-16 1992-09-29 Asahi Kogaku Kogyo K.K. Method of measuring refractive indices of lens and sample liquid
JP2007170888A (ja) * 2005-12-20 2007-07-05 Olympus Corp 光学素子検査装置
CN103267743A (zh) * 2013-04-08 2013-08-28 辽宁科旺光电科技有限公司 一种折射率测量装置及方法
CN110553820A (zh) * 2019-09-10 2019-12-10 宁波法里奥光学科技发展有限公司 一种镜片多波长折射率检测装置及方法
CN210863101U (zh) * 2019-09-10 2020-06-26 宁波法里奥光学科技发展有限公司 一种镜片折射率测量装置
CN112556991A (zh) * 2019-09-10 2021-03-26 宁波法里奥光学科技发展有限公司 一种镜片折射率测量装置及其测量方法
CN113218632A (zh) * 2021-04-30 2021-08-06 宁波法里奥光学科技发展有限公司 一种镜片多波长折射率测试装置及方法
CN114199522A (zh) * 2021-11-30 2022-03-18 宁波法里奥光学科技发展有限公司 一种光学镜片参数测量装置及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1148575C (zh) * 2000-11-30 2004-05-05 中国科学院上海光学精密机械研究所 实时测量厚度与折射率的半导体激光干涉测量装置
US8427636B2 (en) * 2006-12-21 2013-04-23 Johnson & Johnson Vision Care, Inc Cuvette for ophthalmic lens
CN101464209A (zh) * 2007-12-19 2009-06-24 鸿富锦精密工业(深圳)有限公司 镜片折射率变化量的测量方法及其装置
CN105823757B (zh) * 2016-03-10 2019-04-19 哈尔滨工程大学 一种利用光纤白光干涉原理实现的高精度液体折射率测量仪及其测量方法
CN112556990A (zh) * 2019-09-10 2021-03-26 宁波法里奥光学科技发展有限公司 镜片折射率测量装置及其测量方法
CN113092077A (zh) * 2021-04-30 2021-07-09 宁波法里奥光学科技发展有限公司 一种镜片折射率测量装置及其测量方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151752A (en) * 1988-06-16 1992-09-29 Asahi Kogaku Kogyo K.K. Method of measuring refractive indices of lens and sample liquid
JP2007170888A (ja) * 2005-12-20 2007-07-05 Olympus Corp 光学素子検査装置
CN103267743A (zh) * 2013-04-08 2013-08-28 辽宁科旺光电科技有限公司 一种折射率测量装置及方法
CN110553820A (zh) * 2019-09-10 2019-12-10 宁波法里奥光学科技发展有限公司 一种镜片多波长折射率检测装置及方法
CN210863101U (zh) * 2019-09-10 2020-06-26 宁波法里奥光学科技发展有限公司 一种镜片折射率测量装置
CN112556991A (zh) * 2019-09-10 2021-03-26 宁波法里奥光学科技发展有限公司 一种镜片折射率测量装置及其测量方法
CN113218632A (zh) * 2021-04-30 2021-08-06 宁波法里奥光学科技发展有限公司 一种镜片多波长折射率测试装置及方法
CN114199522A (zh) * 2021-11-30 2022-03-18 宁波法里奥光学科技发展有限公司 一种光学镜片参数测量装置及方法

Also Published As

Publication number Publication date
CN114199522A (zh) 2022-03-18

Similar Documents

Publication Publication Date Title
US10969299B2 (en) Lens refractive index detection device and method
CN103267743B (zh) 一种折射率测量装置及方法
JP7044272B2 (ja) レンズ屈折率測定装置およびその測定方法
CN110260799A (zh) 一种光谱共焦位移传感器
CN112556991A (zh) 一种镜片折射率测量装置及其测量方法
CN110736721B (zh) 基于衍射光栅的玻璃平板折射率均匀性检测装置及检测方法
CN112747904B (zh) 红外传递函数测量仪的装调方法
CN103512864A (zh) 利用平行光测量衬底反射率和透射率的光学量测系统
WO2023098349A1 (fr) Dispositif et procédé de mesure de paramètres de lentille optique
CN113092077A (zh) 一种镜片折射率测量装置及其测量方法
CN109253707A (zh) 百微米量程透射式干涉测试装置
CN106052596A (zh) 基于远出瞳、小瞳径比设计的高精度光电自准直仪
CN115079346B (zh) 一种空间光耦合至光纤的装调装置和方法
CN211013454U (zh) 镜片折射率检测装置
CN210863101U (zh) 一种镜片折射率测量装置
CN110553820B (zh) 一种镜片多波长折射率检测装置及方法
CN210293627U (zh) 一种镜片多波长折射率检测装置
CN203259473U (zh) 一种折射率测量装置
JP2000241128A (ja) 面間隔測定方法および装置
US6924897B2 (en) Point source module and methods of aligning and using the same
CN108572160B (zh) 一种折射率分布测量的折光计
CN210293626U (zh) 一种镜片折射率检测装置
CN210863100U (zh) 镜片折射率测量装置
CN110514411B (zh) 镜片折射率检测装置及方法
CN114199521B (zh) 光学镜片参数测量装置及方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22900154

Country of ref document: EP

Kind code of ref document: A1