JP7010589B2 - 多波長共焦点測定装置 - Google Patents
多波長共焦点測定装置 Download PDFInfo
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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
- G01J3/28—Investigating the spectrum
- G01J3/45—Interferometric spectrometry
-
- 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
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
-
- 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
- G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
-
- 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
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3845—Details of mounting fibres in ferrules; Assembly methods; Manufacture ferrules comprising functional elements, e.g. filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/421—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical component consisting of a short length of fibre, e.g. fibre stub
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
- G02B6/3624—Fibre head, e.g. fibre probe termination
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
- Spectrometry And Color Measurement (AREA)
Description
光させることができるからである。もちろん、反射面81は、光軸に平行であっても良いし、傾斜していても良い。例えば図6(c)に示すように、枠体80の開口径を光ファイバ30側とレーザ光源101側とで異ならせる(レーザ光源101側の開口径の方が小さいことが好ましい)ことにより、反射面で反射光を今一度光ファイバ30へと入光させることができ、伝送効率を高く維持することができる。
な基準面135とワークWとの間の距離dとして求められる。
Claims (9)
- レーザ光源と、
前記レーザ光源と対向して配置され、前記レーザ光源からの光を集光するための光源光学部材と、
前記光源光学部材により集光された前記レーザ光源からの光により励起される蛍光体と、
一部の光路が共通し、分岐部を介して分岐した第1の光路及び第2の光路を形成する複数の光ファイバと前記分岐部とを有し、分岐した前記第1の光路に対応する光ファイバの第1の端部分に、前記第1の光路に対応した形状の開口を有する枠体の該開口に収容した前記蛍光体を固定することで、前記レーザ光源からの光が集中する領域を前記第1の端部分となるよう配置し、前記第1の端部分側から前記レーザ光源からの光が集中する領域において前記レーザ光源からの光により励起された前記蛍光体が発光する光を受け付け、共通した前記一部の光路に対応するコア径が50μm以下である光ファイバの第2の端側で受け付けた光を伝搬し、前記第2の端部分側から入射された光の少なくとも一部を、分岐した前記第2の光路に対応する光ファイバの第3の端部分側に伝搬する光ファイバ部と、
光軸方向に沿って色収差を生じる第1のレンズを有し、共焦点位置に配置されたコア径が50μm以下である前記光ファイバの前記第2の端部分から出射される光を、測定光として、前記第1のレンズを介して測定対象物に向けて光の波長に応じて前記光軸方向に沿って異なる位置に集光するとともに、前記測定対象物より反射された前記測定光を前記第1のレンズを介して前記共焦点位置に配置された前記第2の端部分に集光するヘッド光学部材と、
測定対象物からの、前記第2の端部分、前記第2の光路及び前記第3の端部分を介した前記測定光を波長に応じて選択的に受光し、波長に応じて選択的に受光した前記測定光の受光量に対応した信号に光電変換する受光素子と、
前記受光素子からの波長に応じた受光量を示す信号に基づいて測定対象物の厚み又は変位を測定する測定制御部と
を備えることを特徴とする多波長共焦点測定装置。 - 前記蛍光体は、前記レーザ光源からの光及び前記蛍光体が発光する光を透過する光透過性媒体内に固定され、かつ、前記光透過性媒体が前記光ファイバの前記第1の端に固定されることを特徴とする請求項1に記載の多波長共焦点測定装置。
- 前記蛍光体と前記光源光学部材との間に、前記レーザ光源からの光を透過し、かつ、前記蛍光体が発光する光を反射する光学フィルタをさらに備えることを特徴とする請求項1又は2に記載の多波長共焦点測定装置。
- 前記枠体の前記光源光学部材側を覆い、前記レーザ光源からの光を透過し、かつ、前記蛍光体が発光する光を反射する光学フィルタをさらに備えることを特徴とする請求項1又は2に記載の多波長共焦点測定装置。
- 前記蛍光体は、前記レーザ光源からの光及び前記蛍光体が発光する光を透過する光透過性媒体内に固定され、
前記蛍光体及び前記光透過性媒体が、前記枠体の開口に収容されることを特徴とする請求項1乃至3のいずれか一項に記載の多波長共焦点測定装置。 - 前記枠体の前記光源光学部材側を覆い、前記レーザ光源からの光を透過し、かつ、前記蛍光体が発光する光を反射する光学フィルタをさらに備え、
前記蛍光体は、前記レーザ光源からの光及び前記蛍光体が発光する光を透過する光透過性媒体内に固定され、
前記蛍光体及び前記光透過性媒体が、前記枠体の開口に収容されることを特徴とする請求項1又は2に記載の多波長共焦点測定装置。 - 前記枠体の内径側の壁部に反射面を備えることを特徴とする請求項1乃至6のいずれか一項に記載の多波長共焦点測定装置。
- 前記光源光学部材は、一又は複数のレンズで構成されていることを特徴とする請求項1乃至7のいずれか一項に記載の多波長共焦点測定装置。
- 前記光源光学部材は、レンズが組み込まれた筒状の反射鏡で構成されていることを特徴とする請求項1乃至7のいずれか一項に記載の多波長共焦点測定装置。
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JP2014133342 | 2014-06-27 | ||
JP2014133342 | 2014-06-27 | ||
PCT/JP2015/067968 WO2015199054A1 (ja) | 2014-06-27 | 2015-06-23 | 多波長光電測定装置、共焦点測定装置、干渉測定装置及びカラー測定装置 |
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JP (3) | JP7010589B2 (ja) |
CN (2) | CN106471332B (ja) |
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JP7010589B2 (ja) | 2014-06-27 | 2022-01-26 | 株式会社キーエンス | 多波長共焦点測定装置 |
CN106093956B (zh) * | 2016-07-01 | 2019-04-30 | 北方民族大学 | 一种激光测距系统 |
CN105974428B (zh) * | 2016-07-29 | 2019-04-30 | 北方民族大学 | 一种激光测距系统 |
JP6959027B2 (ja) * | 2017-04-25 | 2021-11-02 | 三菱重工業株式会社 | クリアランス計測装置、クリアランス計測センサ及びクリアランス計測方法 |
JP7076954B2 (ja) * | 2017-06-13 | 2022-05-30 | 株式会社キーエンス | 共焦点変位計 |
JP2019066259A (ja) * | 2017-09-29 | 2019-04-25 | オムロン株式会社 | 光学センサおよび光学センサにおける異常検出方法 |
JP6939360B2 (ja) * | 2017-10-02 | 2021-09-22 | オムロン株式会社 | 共焦点計測装置 |
JP7062518B2 (ja) | 2018-05-25 | 2022-05-06 | 株式会社キーエンス | 共焦点変位計 |
TWI770182B (zh) * | 2018-05-31 | 2022-07-11 | 揚明光學股份有限公司 | 測量系統及測量方法 |
CN109458939A (zh) * | 2018-12-18 | 2019-03-12 | 南京理工大学 | 与快速定心结合的透镜中心厚度测量方法 |
WO2021038821A1 (ja) | 2019-08-30 | 2021-03-04 | 株式会社ニコン | 処理システム及びロボットシステム |
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JP7625342B2 (ja) | 2020-11-20 | 2025-02-03 | 株式会社ディスコ | 計測装置 |
JP7486902B2 (ja) | 2020-11-20 | 2024-05-20 | 株式会社ディスコ | 計測装置 |
JP2022112634A (ja) | 2021-01-22 | 2022-08-03 | 株式会社ディスコ | 計測装置 |
CN113030038A (zh) * | 2021-02-23 | 2021-06-25 | 北京理工大学 | 多波长荧光检测装置及方法 |
DE102021106766A1 (de) | 2021-03-19 | 2022-09-22 | Precitec Optronik Gmbh | Chromatisch-konfokales Messsystem für Hochgeschwindigkeits-Abstandsmessung |
KR102633654B1 (ko) | 2021-09-29 | 2024-02-06 | 한국과학기술연구원 | 광섬유 기반의 센서 모듈 및 이를 구비한 변형 센서 장치 |
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CN110196020A (zh) | 2019-09-03 |
DE112015003040T5 (de) | 2017-03-23 |
CN106471332B (zh) | 2019-07-09 |
US11060917B2 (en) | 2021-07-13 |
JPWO2015199054A1 (ja) | 2017-04-20 |
JP7284114B2 (ja) | 2023-05-30 |
US20170122808A1 (en) | 2017-05-04 |
US10180355B2 (en) | 2019-01-15 |
CN110196020B (zh) | 2021-08-10 |
US20190094074A1 (en) | 2019-03-28 |
JP2020079807A (ja) | 2020-05-28 |
WO2015199054A1 (ja) | 2015-12-30 |
CN106471332A (zh) | 2017-03-01 |
JP2022095987A (ja) | 2022-06-28 |
JP7270807B2 (ja) | 2023-05-10 |
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