JP2021516329A - 対物レンズを使用する蛍光撮像用の照明 - Google Patents
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Abstract
Description
Claims (36)
- 対物レンズと、
システム内に設置されるフローセルに、前記対物レンズを通して、前記フローセル上の第1の回折格子を使用して供給される、第1の照明光を供給する第1の光源と、
前記対物レンズを使用して、撮像光を捕捉する第1の画像センサーと、を備え、
前記第1の回折格子は、前記第1の画像センサーの視野の外側に位置決めされる、システム。 - 前記フローセルは、前記システム内に設置される、請求項1に記載のシステム。
- 前記第1の回折格子と第2の回折格子は、前記フローセル上に位置決めされる、請求項2に記載のシステム。
- 前記第1の回折格子および第2の回折格子は、異なる結合角度を有する、請求項3に記載のシステム。
- 前記第1の回折格子および第2の回折格子は、異なる回折格子周期を有する、請求項4に記載のシステム。
- 前記フローセルは、
第1の試料表面を含み、
前記第1の試料表面は、第2の試料表面に平行であり、
前記第1の回折格子は、前記第1の照明光の第1の部分を結合して、前記第1の試料表面を照明し、
第2の回折格子は、前記第1の照明光の第2の部分を結合して、前記第2の試料表面を照明する、請求項2から5のいずれか一項に記載のシステム。 - 前記第1の回折格子が前記第1の照明光の前記第1の部分を結合する、第1の平面導波路と、前記第2の回折格子が前記第1の照明光の前記第2の部分を結合する、第2の平面導波路と、さらに備える、請求項6に記載のシステム。
- 前記第1の回折格子は、前記第1の照明光の前記第1の部分の進行方向において、前記第2の回折格子に対してオフセットされる、請求項6に記載のシステム。
- 前記第1の回折格子および第2の回折格子は、前記フローセルを照明する平面導波路の両側に位置決めされ、前記第1の回折格子は前記第1の照明光を前記平面導波路内に結合し、前記第2の回折格子は前記第1の照明光を前記平面導波路の外に結合する、請求項2から8のいずれか一項に記載のシステム。
- 前記第2の回折格子によって前記平面導波路の外に結合される、前記第1の照明光が前記対物レンズに入射するのを遮断する壁をさらに備える、請求項9に記載のシステム。
- 前記第1の照明光は、第1の波長の第1の光ビームを含み、前記システムは、前記対物レンズを通して、第2の波長の第2の光ビームを含む第2の照明光を供給する、第2の光源をさらに備える、請求項1から10のいずれか一項に記載のシステム。
- 前記第2の光源は、前記第1の波長および第2の波長に対して対称的な結合角度を有する、前記第1の回折格子を介して、前記対物レンズを通して、前記第2の照明光を前記フローセル内に供給する、請求項11に記載のシステム。
- 前記第1の光源は、前記第1の光ビームを前記対物レンズの第1の側部に向け、前記第2の光源は、前記第2の光ビームを、前記第1の側部とは反対側の、前記対物レンズの第2の側部に向ける、請求項11または12に記載のシステム。
- 前記第1の光源および第2の光源の後、および前記対物レンズの前に位置決めされる、第1ミラーと鏡筒レンズと、をさらに備え、前記第1のミラーから前記鏡筒レンズへの伝搬における、前記第1の光ビームおよび第2の光ビームのそれぞれの角度は、前記第1の回折格子上の、前記第1の光ビームおよび第2の光ビームの対応する入射角度を反射する、請求項11から13のいずれか一項に記載のシステム。
- 前記第1光源の後、および前記第1のミラーの前に位置決めされ、前記第1の回折格子上の、前記第1の光ビームおよび第2の光ビームの空間的な分離を提供する、第2のミラーをさらに備える、請求項14に記載のシステム。
- 前記フローセルは、前記第1の回折格子を含むそれぞれの回折格子によって境界付けされる、複数の帯状部を有し、前記システムは、前記それぞれの回折格子のうちの少なくとも1つを、入射回折格子と出射回折格子の両方として使用する、請求項2から15のいずれか一項に記載のシステム。
- 前記フローセルの導波路材料は、Ta2O5を含む、請求項2から16のいずれか一項に記載のシステム。
- 前記第1の画像センサーは、時間遅延積分センサーを備え、前記システムは、前記フローセルを保持する可動台座部をさらに備える、請求項1から17のいずれか一項に記載のシステム。
- 前記フローセルを保持し、熱制御を提供する、熱台座部をさらに備える、請求項1から18のいずれか一項に記載のシステム。
- 前記フローセル内の、少なくとも前記第1の回折格子および平面導波路の画像を捕捉する、第2の画像センサーをさらに備え、前記システムは、位置合わせ基準を使用して、前記画像を評価する、請求項1から19のいずれか一項に記載のシステム。
- 前記光は、前記フローセル内の試料からの蛍光応答を誘発する波長を有する、請求項1から20のいずれか一項に記載のシステム。
- 試料を保持する基板と、
前記試料の第1の光を導く第1の平面導波路と、
前記第1の光を結合する第1の回折格子と、
前記試料の第2の光を導く第2の平面導波路と、
前記第2の光を結合する第2の回折格子と、
を備える、フローセル。 - 前記第1の回折格子は、前記第1の平面導波路上に位置決めされ、前記第2の回折格子は、前記第2の平面導波路上に位置決めされる、請求項22に記載のフローセル。
- 前記第1の回折格子および第2の回折格子は、異なる結合角度を有する、請求項22または23に記載のフローセル。
- 前記第1の回折格子および第2の回折格子は、異なる回折格子周期を有する、請求項24に記載のフローセル。
- 前記フローセルは、第1の試料表面を含み、
前記第1の試料表面は、第2の試料表面に平行であり、
前記第1の回折格子は、前記第1の光を結合して、前記第1の試料表面を照明し、
前記第2の回折格子は、前記第2の光を結合して、前記第2の試料表面を照明する、請求項22から25のいずれか一項に記載のフローセル。 - 前記第1の回折格子は、前記第1の光の進行方向において、前記第2の回折格子に対してオフセットされる、請求項26に記載のフローセル。
- 前記第1の回折格子は前記第1の光を前記第1の平面導波路内に結合し、前記第2の回折格子は前記第2の光を前記第2の平面導波路内に結合し、前記フローセルは、前記第1の平面導波路の外に前記第1の光を結合する第3の回折格子と、前記第2の平面導波路の外に前記第2の光を結合する第4の回折格子と、をさらに備える、請求項22から27のいずれか一項に記載のフローセル。
- 画像センサーの視野の外側に位置決めされる、第1の回折格子を使用して、対物レンズを通してフローセル内に照明光を供給するステップと、
前記対物レンズを使用して、撮像光を捕捉するステップと、
を含む、方法。 - 前記フローセルは、第2の試料表面に平行な第1の試料表面を含み、前記方法は、前記第1の試料表面に位置合わせされる第1の回折格子に、前記照明光の第1の成分を向けるステップと、前記第2の試料表面に位置合わせされる第2の回折格子に、前記照明光の第2の成分を向けるステップと、をさらに含む、請求項29に記載の方法。
- 前記照明光の前記第1の成分を前記第1の回折格子に向けることに関連して、前記対物レンズを調節して、前記第1の試料表面に焦点を合わせるステップと、前記照明光の前記第2の成分を前記第2の回折格子に向けることに関連して、前記対物レンズを調節して、前記第2の試料表面に焦点を合わせるステップと、をさらに含む、請求項30に記載の方法。
- 前記照明光は、第1の波長の第1の光ビームと、第2の波長の第2の光ビームと、を含み、前記方法は、前記第1の光ビームを前記対物レンズの第1の側部に向けるステップと、前記第2の光ビームを、前記第1の側部とは反対側の、前記対物レンズの第2の側部に向けるステップと、をさらに含む、請求項29から31のいずれか一項に記載の方法。
- 前記フローセルから出射する前記照明光が、前記対物レンズに入射するのを遮断するステップをさらに含む、請求項32に記載の方法。
- 熱台座部は、前記フローセルを保持し、方法は、前記フローセルを使用して、前記フローセルの熱制御を提供するステップをさらに含む、請求項29から33のいずれか一項に記載の方法。
- 前記フローセルは、前記第1の回折格子を含む、それぞれの回折格子によって境界付けされる、複数の帯状部を有し、前記方法は、前記それぞれの回折格子の少なくとも1つを、入射回折格子と出射回折格子の両方として使用するステップをさらに含む、請求項29から34のいずれか一項に記載の方法。
- 前記第1の回折格子による結合の品質を評価する、位置合わせ工程を実行するステップをさらに含む、請求項29から35のいずれか一項に記載の方法。
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