JP2017090590A - 画像取得装置、画像取得方法、及び空間光変調ユニット - Google Patents
画像取得装置、画像取得方法、及び空間光変調ユニット Download PDFInfo
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Abstract
Description
Claims (11)
- 試料を励起させる波長を含む励起光を出力する光源と、
二次元に配列された複数の画素を有し、前記光源から出力された前記励起光の位相を前記複数の画素毎に変調する空間光変調器と、
前記空間光変調器で変調された前記励起光を試料に照射する第1の対物レンズと、
前記第1の対物レンズからの前記励起光の照射に伴って前記試料から発せられる検出光を導光する第2の対物レンズと、
前記第2の対物レンズにより導光された前記検出光を撮像する光検出器と、
前記複数の画素それぞれに対応する位相値が二次元に分布する位相パターンに従って前記複数の画素毎の位相変調量を制御する制御部と、を備え、
前記位相パターンは、所定の基本位相パターンに基づいて生成された位相パターンであり、
前記基本位相パターンは、所定の方向に沿って連続的に前記位相値が増加する第1の領域と、前記所定の方向において前記第1の領域と対向し、前記所定の方向に沿って連続的に前記位相値が減少する第2の領域と、を有する、画像取得装置。 - 前記第1の領域では、前記位相値は前記所定の方向に沿って直線的に増加し、前記第2の領域では、前記位相値は前記所定の方向に沿って直線的に減少している、請求項1記載の画像取得装置。
- 前記基本位相パターンは、前記所定の方向における中心を通り且つ前記所定の方向と直交する直線に関して線対称となっている、請求項1又は2記載の画像取得装置。
- 前記基本位相パターンは、前記所定の方向における中心を通り且つ前記所定の方向と直交する直線に関して非線対称となっている、請求項1又は2記載の画像取得装置。
- 前記第1の領域と前記第2の領域とは、互いに隣接し、その境界において前記位相値が連続している、請求項1〜4のいずれか一項記載の画像取得装置。
- 前記位相パターンは、回折格子状の回折格子パターンと前記基本位相パターンとが重畳された位相パターンである、請求項1〜5のいずれか一項記載の画像取得装置。
- 前記位相パターンは、レンズ状のレンズパターンと前記基本位相パターンとが重畳された位相パターンである、請求項1〜6のいずれか一項記載の画像取得装置。
- 前記励起光を前記試料に対して走査する光走査部を更に備える、請求項1〜7のいずれか一項記載の画像取得装置。
- 前記光検出器は、複数の画素列を有し、ローリング読み出しが可能な二次元撮像素子である、請求項1〜8のいずれか一項記載の画像取得装置。
- 二次元に配列された複数の画素を有する空間光変調器により、試料を励起させる波長を含む励起光の位相を前記複数の画素毎に変調する第1のステップと、
前記空間光変調器で変調された前記励起光を前記試料に照射する第2のステップと、
前記励起光の照射に伴って前記試料から発せられる検出光を導光し、導光された前記検出光を撮像する第3のステップと、を含み、
前記第1のステップでは、所定の基本位相パターンに基づいて生成され、前記複数の画素それぞれに対応する位相値が二次元に分布する位相パターンに従って前記複数の画素毎の位相変調量を制御し、
前記基本位相パターンは、所定の方向に沿って連続的に前記位相値が増加する第1の領域と、前記所定の方向において前記第1の領域と対向し、前記所定の方向に沿って連続的に前記位相値が減少する第2の領域と、を有する、画像取得方法。 - ライトシート顕微鏡に用いられる空間光変調ユニットであって、
二次元に配列された複数の画素を有し、入力された光の位相を前記複数の画素毎に変調して変調後の光を出力する空間光変調器と、
前記複数の画素それぞれに対応する位相値が二次元に分布する位相パターンに従って前記複数の画素毎の位相変調量を制御する制御部と、を備え、
前記位相パターンは、所定の基本位相パターンに基づいて生成された位相パターンであり、
前記基本位相パターンは、所定の方向に沿って連続的に前記位相値が増加する第1の領域と、前記所定の方向において前記第1の領域と対向し、前記所定の方向に沿って連続的に前記位相値が減少する第2の領域と、を有する、空間光変調ユニット。
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JP2015218527A JP6570427B2 (ja) | 2015-11-06 | 2015-11-06 | 画像取得装置、画像取得方法、及び空間光変調ユニット |
US15/772,648 US10466458B2 (en) | 2015-11-06 | 2016-09-20 | Image acquisition device, image acquisition method, and spatial light modulation unit |
CN201680063190.9A CN108351502A (zh) | 2015-11-06 | 2016-09-20 | 图像取得装置、图像取得方法以及空间光调制单元 |
CN202311631953.3A CN117608065A (zh) | 2015-11-06 | 2016-09-20 | 图像取得装置、图像取得方法以及空间光调制单元 |
EP16861846.0A EP3373061B1 (en) | 2015-11-06 | 2016-09-20 | Image acquisition device, image acquisition method, and spatial light modulation unit |
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EP3497501B1 (de) * | 2016-08-15 | 2022-01-19 | Leica Microsystems CMS GmbH | Lichtblattmikroskop |
WO2020150853A1 (zh) * | 2019-01-21 | 2020-07-30 | 中国科学院宁波工业技术研究院慈溪生物医学工程研究所 | 用于角膜神经成像的光片显微镜 |
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