JP7144438B2 - 顕微鏡における高精度波長抽出用の位相板 - Google Patents
顕微鏡における高精度波長抽出用の位相板 Download PDFInfo
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Description
政府の利権
本発明を説明し、特許請求する際に、以下の用語を使用する。
本実施形態による位相板を組み込むことができる顕微鏡デバイスは、確率的光学再構築顕微鏡(STORM)や撮像光活性化局在性顕微鏡法(PALM)などの局在顕微鏡法を使用するものである。一実施例では、染料を使用して試料をマークすることができる。試料は、光源を使用して照射することができる。染料からの蛍光は、顕微鏡のフーリエ平面に配置された位相板を通過することができる。位相板は、光波長の点像分布関数を変換して、波長依存幾何学的パターンを形成することができる。
Claims (18)
- 顕微鏡システム用の位相板であって、
下面、基板本体、及び上面を通して点光源からの光を通過させる平面基板を備え、
前記上面が、少なくとも第1の層領域及び第2の層領域を含む分割領域アレイとして形成された点像分布関数工学プロファイルを含み、
前記第1及び第2の層領域がそれぞれ異なる厚さを有することによって、前記光の点像分布関数が前記位相板により変換されて、前記光の波長に対する依存性を有する波長依存幾何学的パターンが形成されるようにした、位相板。 - 前記平面基板が、SiO2、ガラス、石英、雲母、及びAl2O3のうちの少なくとも1つを含む、請求項1に記載の位相板。
- 前記上面が、約3nm未満の表面粗さ(Ra)を有する、請求項1に記載の位相板。
- 前記分割領域アレイが、正方形の規則的なモザイクを形成する、請求項1に記載の位相板。
- 前記規則的なモザイクが、2×2グリッド、3×3グリッド、又は4×4グリッドである、請求項4に記載の位相板。
- 前記点像分布関数工学プロファイルが反射対称性を有する、請求項1に記載の位相板。
- 前記点像分布関数工学プロファイルが、前記上面の中心軸を中心とした放射対称性を有する、請求項1に記載の位相板。
- 前記波長依存幾何学的パターンが、前記点光源の空間位置を維持する空間的に中心合わせされた形状を含む、請求項1に記載の位相板。
- 前記点像分布関数工学プロファイルが、少なくとも3つの異なる層高さを有する少なくとも3つの層領域を含む、請求項1に記載の位相板。
- 方法であって、
試料の観察領域を照射して、少なくとも1つの波長の放射光を生成することを含み、
前記放射光を位相板に通過させることによって、前記観察領域内の点エミッタの第1の画像を捕捉することを含み、前記位相板が、上面、基板本体、及び下面を有する透明基板を含み、前記上面が、少なくとも第1の層領域及び第2の層領域を含む領域のモザイクから形成された点像分布関数工学プロファイルを含み、前記第1及び第2の層領域のそれぞれが異なる厚さを有することによって、前記光の点像分布関数が前記位相板により変換されて、前記光の波長に対する依存性を有する波長依存幾何学的パターンが形成されるようにしてあり、
前記第1の画像の分析に応答して、前記点エミッタの前記波長依存幾何学的パターンに基づいて、前記点エミッタに対応する色を決定することを含む、方法。 - 前記第1の画像の分析に応答して、前記点エミッタの前記波長依存幾何学的パターンに基づいて、前記観察領域内の前記点エミッタの位置を判定することを更に含む、請求項10に記載の方法。
- 前記第1及び第2の層領域が、規則的な正方形のモザイクを形成する、請求項10に記載の方法。
- 前記点像分布関数工学プロファイルが、前記上面の中心軸を中心とした半径対称性を有する、請求項10に記載の方法。
- 前記点像分布関数工学プロファイルが、反射対称性を有し、前記放射光の空間位置を維持する空間的に中心合わせされた形状である、請求項10に記載の方法。
- 後の時点で前記点エミッタの第2の画像を捕捉することと、前記点エミッタの運動を判定することと、を更に含む、請求項14に記載の方法。
- 蛍光顕微鏡撮像デバイスであって、
少なくとも1つの波長の光で試料の観察領域を照射するように配置された任意の照明源と、
前記試料からの光を捕捉して画像を形成するように配置された撮像センサと、
前記試料からの光を前記撮像センサに方向付けるように配置された撮像光学素子と、
前記撮像光学素子のフーリエ平面に配置された請求項1に記載の位相板と、
を備える、蛍光顕微鏡撮像デバイス。 - 前記画像内の異なる色の形態を検出するように適合された検出器を更に備える、請求項16に記載の蛍光顕微鏡撮像デバイス。
- 前記画像を表示するように適合された表示デバイスを更に備え、前記画像が、前記試料内の点エミッタを表す波長依存幾何学的パターンを含む、請求項16に記載の蛍光顕微鏡撮像デバイス。
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EP3607365A1 (en) * | 2017-04-04 | 2020-02-12 | University of Utah Research Foundation | Phase plate for high precision wavelength extraction in a microscope |
DE102019100184A1 (de) * | 2019-01-07 | 2020-07-09 | Carl Zeiss Microscopy Gmbh | Hochauflösende Scanning-Mikroskopie |
CN112762820A (zh) * | 2020-12-11 | 2021-05-07 | 深圳市菲森科技有限公司 | 一种共聚焦三维测量系统的标定装置及标定方法 |
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EP3607365A1 (en) | 2020-02-12 |
US20200110030A1 (en) | 2020-04-09 |
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