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Surface measurement with sub-nano order resolution by using Spin Hall effect of light generated by optical frequency comb

Research Project

Project/Area Number 19H02154
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 21030:Measurement engineering-related
Research InstitutionOsaka University

Principal Investigator

Mizutani Yasuhiro  大阪大学, 工学研究科, 准教授 (40374152)

Co-Investigator(Kenkyū-buntansha) 高谷 裕浩  大阪大学, 工学研究科, 教授 (70243178)
Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2021: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2020: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2019: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
Keywords光スピンホール効果 / 表面粗さ / 薄膜計測 / エリプソメトリ / 偏光計測 / 弱値増大効果 / 表面粗さ計測 / 膜厚計測 / 微細構造計測 / 光周波数コム / 弱値測定 / 弱測定 / 超薄膜計測 / 光弾性計測 / 残留応力測定 / スピンホール効果 / 表面形状計測 / 量子光学効果
Outline of Research at the Start

超薄膜や微細周期構造,特定分子を均一分散させるような高機能製品では, 非接触で10nm 以下のオーダでの形状や性能の評価が求められている.このような背景において,光を測定物に照射し,反射前後での光の偏光状態を測定する手法が有効とされているが系統誤差を排除することができていない.そこで,本研究では,近年,物理学分野で報告が相次いでいる量子光学効果である光スピンホール効果にいち早く着目し工学的に応用することで,簡便な手法にもかかわらずサブ ナノオーダの高精度な形状計測法を確立するものである.

Outline of Final Research Achievements

The spin Hall effect of light (SHEL) associated with spin-orbit interactions, describes a transport phenomenon with optical spin-dependent splitting, while the splitting shift is corresponded to the polarization state of light. Since the core of ellipsometry is calculating surface qualities according to polarization state of optical probe, we proposed a new ellipsometry based on SHEL shift. According to weak measurement and ellipsometry theory, we can realize the evaluation of surface roughness variation by the measurement of SHEL shift. The special texture detected obtained by 2D distribution figures seem to provide a possibility for roll-off areas and polishing marks detection.

Academic Significance and Societal Importance of the Research Achievements

量子光学的な効果として注目されているスピンホール効果を産業応用を可能としたことは意義深い.また,偏光計測に関しても,従来は,測定精度はある程度得られていたが長期的な安定性が欠けるため2次元的なデータを取得するのが困難であった.それに対して,従来よりも高感度かつ安定的にデータを得ることができるようになったため,2次元データを取得できるだけでなく,水分子の層なども検出できるようになった.社会的には,より高精度な検査手法として導入が可能になる点で意義がある.

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (12 results)

All 2022 2021 2020 2019

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 6 results,  Invited: 3 results)

  • [Journal Article] Structure estimation of deep neural network for triangulation displacement sensors2022

    • Author(s)
      Mizutani Y.、Kataoka S.、Nagai Y.、Uenohara T.、Takaya Y.
    • Journal Title

      CIRP Annals

      Volume: - Issue: 1 Pages: 425-428

    • DOI

      10.1016/j.cirp.2022.04.043

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ghost Imaging with Deep Learning for Position Mapping of Weakly Scattered Light Source2021

    • Author(s)
      Mizutani Yasuhiro、Kataoka Shoma、Uenohara Tsutomu、Takaya Yasuhiro
    • Journal Title

      Nanomanufacturing and Metrology

      Volume: 4 Issue: 1 Pages: 37-45

    • DOI

      10.1007/s41871-020-00085-0

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Ellipsometry based on spin Hall effect of light (SHEL) using modified weak measurement for surface area measurement2022

    • Author(s)
      Naila Zahra, Yasuhiro Mizutani, Zhehan Li, Tsutomu Uenohara, Yasuhiro Takaya
    • Organizer
      Optical Technology and Measurement for Industrial Applications Conference 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] First Photon-detection Ghost imaging for weak light imaging2021

    • Author(s)
      Yasuhiro Mizutani, Shoma Kataoka, Tsutomu Uenohara, Yasuhiro Takaya
    • Organizer
      The 7th Biomedical Imaging and Sensing Conference (BISC2021)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Ghost imaging with probability estimation using convolutional neural network: improving estimation accuracy using parallel convolutional neural network2021

    • Author(s)
      Kataoka, Shoma, Mizutani, Yasuhiro, Uenohara, Tsutomu, Takaya, Yasuhiro
    • Organizer
      SPIE Technologies and Applications of Structured Light
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Scanning 2D Surface Profilometry by using Spin-Hall Effect of Light2021

    • Author(s)
      Yasuhiro Mizutani, Li Zhehan, Yoshiyasu Tadokoro, Tsutomu Uenohara, Yasuhiro Takaya
    • Organizer
      International Symposium on Optomechatoronic Technology
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 機械学習で深化するシングルピクセルイメージング2021

    • Author(s)
      水谷康弘
    • Organizer
      2021年度光学シンポジウム
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Development of Ellipsometry Based on Spin Hall Effect of Light (5th report)-2D distribution of SHEL shift for evaluation of sub-nanometer surface topography-2021

    • Author(s)
      LIZHEHAN,水谷康弘,上野原努,田所利康,高谷裕浩
    • Organizer
      2021年度精密工学会春季大会学術講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Development of Ellipsometry Based on Spin Hall Effect of Light (5th report) -2D distribution of SHEL shift for evaluation of sub-nanometer surface topography-2021

    • Author(s)
      LI ZHEHAN, 水谷康弘, 上野原努, 田所利康, 高谷裕浩
    • Organizer
      2021年度精密工学会春季大会学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Detection of Surface Roughness by Ellipsometry based on Spin Hall Effect of Light2020

    • Author(s)
      Zhehan Li, Yasuhiro Mizutani, Yasuhiro Takaya
    • Organizer
      ICPE2020
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 光スピンホール効果エリプソメトリの開発(第4報) 表面粗さ計測の解析的検討2020

    • Author(s)
      Li Zhehan, 水谷 康弘, 上野原 努, 高谷 裕浩
    • Organizer
      2020年度精密工学会秋季大会学術講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] High-speed single pixel imaging with deep learning2019

    • Author(s)
      Yasuhiro Mizutani, Yasuhiro Takaya
    • Organizer
      OIT2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2019-04-18   Modified: 2023-01-30  

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