JP6450367B2 - 光学アセンブリにおける積層素子の歪みを最小限にする方法 - Google Patents
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Description
56、58、82、90、92 側面
100 光学アセンブリ
112、114、122、124 ローブ
Claims (10)
- 光学素子を、一定の間隔に置く、位置合わせする、および保持するための、複数の積層素子を含む複合光学部品をアセンブルする方法であって、
光学部品ホルダを含む前記複数の積層素子の、積層面を測定するステップ、
前記積層面の前記測定から主要角振動数を有する数学的近似によって表され得る、低次表面誤差を前記測定から抽出するステップ、
前記積層面どうしを嵌合させた嵌合積層面における、当該積層面の前記低次表面誤差間の相補性を高める相対的配向で、前記光学部品ホルダを含む前記積層素子を相対的に位置付けるステップ、および、
前記相対的配向の前記積層素子の組合せを一緒に固定して、他の相対的配向で前記光学部品ホルダを歪ませることになる応力または歪みを制御するステップ、
を含むことを特徴とする方法。 - 前記積層素子が開口を含み、かつ前記主要角振動数が、前記開口を一周するトレースに沿って前記低次表面誤差が示す、前記積層面から突出しているローブの数に対応し、さらに前記嵌合積層面が、前記開口の周りでπをローブの数で除した分だけ同相で相対的に変位される、一致する数のローブを有していることを特徴とする請求項1記載の方法。
- 前記低次表面誤差が、主要半径方向次数を有し、かつ前記嵌合積層面において相補的な関係にある前記低次表面誤差どうしが、互いに反対符号の共通の主要半径方向次数を有することを特徴とする請求項1記載の方法。
- 任意の残存している相補性のずれに関連する、前記嵌合積層面間の残留している低次表面誤差を判定するステップ、および、
前記嵌合積層面のペアリングを、あるペアリングの前記相補性のずれが別のペアリングの前記相補性のずれに相補的になるように、前記嵌合積層面の他のペアリングに対して配置して、他の場合に前記積層素子の組合せ内で前記光学部品ホルダを歪ませることになる、前記ペアリング間の応力または歪みの蓄積を回避するステップ、
を含むことを特徴とする請求項1記載の方法。 - 他の積層素子に固定された中間積層素子の露出積層面を測定して、主要角振動数を有する数学的近似によって表され得る累積低次誤差を測定するステップ、および、
追加の積層素子と前記中間積層素子との嵌合積層面が、共通の主要角振動数を含む相補的な低次表面誤差を有するように、前記他の積層素子に固定された前記中間積層素子に対して前記追加の積層素子を相対的に配向するステップ、
を含むことを特徴とする請求項1記載の方法。 - 前記測定するステップが前記積層面を測定するステップを含み、かつ前記抽出するステップが、前記測定をフィルタリングして、前記主要角振動数を有する数学的近似によって表され得る前記低次表面誤差の測定を得るステップを含み、さらに、前記嵌合積層面間の前記低次表面誤差の二乗平均平方根が、前記嵌合積層面のいずれかの前記低次表面誤差の二乗平均平方根よりも小さいことを特徴とする請求項1記載の方法。
- 光学素子を、一定の間隔に置く、位置合わせする、および保持するための、複数の積層素子を含む複合光学部品をアセンブルする方法であって、
サブアセンブリの積層素子に固定された中間積層素子の露出積層面を、該露出積層面の累積低次誤差を測定するように測定するステップ、
前記中間積層素子および前記サブアセンブリの積層素子とは別の積層素子であって、前記中間積層素子と隣接して配置される隣接積層素子の側面を、該側面の低次誤差を測定するように測定するステップ、
嵌合する前記中間積層素子の前記露出積層面と前記隣接積層素子の前記側面とが相補的な低次表面誤差を有するように、前記サブアセンブリの前記中間積層素子に対して前記隣接積層素子を相対的に配向するステップ、および、
前記相対的に配向された前記隣接積層素子を、前記サブアセンブリの前記中間積層素子に固定するステップ、
を含むことを特徴とする方法。 - 前記隣接積層素子を前記サブアセンブリに、所与の数の異なる角度位置で固定することができ、前記隣接積層素子が光学部品ホルダであり、さらに、前記隣接積層素子を相対的に配向する前記ステップが、嵌合する前記露出積層面と前記側面との前記低次表面誤差が最も相補的になる前記異なる角度位置を選択するステップを含むことを特徴とする請求項7記載の方法。
- 光学素子を、一定の間隔に置く、位置合わせする、および保持するための、複数の積層素子を含む複合光学部品をアセンブルする方法であって、
光学部品ホルダを含む前記複数の積層素子の、対向する側の積層面を測定するステップ、
前記積層面夫々の前記測定から主要角振動数を有する数学的近似によって表され得る、低次表面誤差を前記測定から抽出するステップ、
前記光学部品ホルダを含む前記積層素子をグループ化するステップであって、当該積層素子の積層面どうしが、組合せとして、かつ互いに相補的な前記低次表面誤差を有して嵌合するよう並置する相対的位置で、グループ化するステップ、および、
前記グループ化による相対的に配向された前記積層素子の前記組合せを一緒に固定して光学アセンブリとし、他の組合せで前記光学部品ホルダを歪ませることになる応力または歪みを最小限にするステップ、
を含むことを特徴とする方法。 - 前記測定するステップが、前記光学アセンブリをアセンブルするのに必要な数より多くの前記積層素子を測定するステップを含み、かつ前記グループ化するステップが、前記積層素子の前記積層面どうしを嵌合したときに、より相補的になる組合せを実現するように、前記積層素子の中から前記光学アセンブリ内に含むものを選択するステップを含むことを特徴とする請求項9記載の方法。
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US13/959,804 | 2013-08-06 | ||
US13/959,804 US9254538B2 (en) | 2013-04-16 | 2013-08-06 | Method of minimizing stacking element distortions in optical assemblies |
PCT/US2014/033964 WO2014172260A2 (en) | 2013-04-16 | 2014-04-14 | Method of minimizing stacking element distortions in optical assemblies |
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US9254538B2 (en) * | 2013-04-16 | 2016-02-09 | Corning Incorporated | Method of minimizing stacking element distortions in optical assemblies |
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US10132684B1 (en) * | 2014-12-18 | 2018-11-20 | J.A. Woolam Co., Inc. | Reflectometer, spectrophometer, ellipsometer and polarimeter system with a super continuum laser-source of a beam of electromagnetism and improved detector system |
CN105301795A (zh) * | 2015-10-29 | 2016-02-03 | 中国科学院长春光学精密机械与物理研究所 | 一种高精度共轴光学系统计算机辅助装调及波前检测方法 |
US10758965B2 (en) * | 2017-01-06 | 2020-09-01 | Korvis Asia Private Limited | Automated pin anvil press for connecting a workpiece pair |
US10732336B2 (en) * | 2017-02-02 | 2020-08-04 | Corning Incorporated | Method of assembling optical systems and minimizing retardance distortions in optical assemblies |
JP6973280B2 (ja) * | 2018-05-08 | 2021-11-24 | 信越化学工業株式会社 | インプリントモールド用合成石英ガラス基板 |
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DE10259599A1 (de) | 2002-12-19 | 2004-07-01 | Carl Zeiss Smt Ag | Verfahren zum Verschrauben von optischen Elementen |
WO2004086148A1 (de) | 2003-03-26 | 2004-10-07 | Carl Zeiss Smt Ag | Vorrichtung zur deformationsarmen austauschbaren lagerung eines optischen elements |
DE102006006401A1 (de) * | 2006-02-11 | 2007-08-23 | Carl Zeiss Smt Ag | Verfahren zur Bestimmung der Topographie eines ebenen Körpers sowie zur Herstellung von Fassungen für optische Elemente und Fassung für ein optisches Element |
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KR20160144993A (ko) * | 2014-04-10 | 2016-12-19 | 멤스 스타트 엘엘씨 | 소형 렌즈 조립체 및 그 제조 방법 |
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