JP2017502327A - 物体のインラインレンズフリーデジタルホログラフィを実施するための装置および方法 - Google Patents
物体のインラインレンズフリーデジタルホログラフィを実施するための装置および方法 Download PDFInfo
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Abstract
Description
コヒーレント光を出射するために取り付けられた単一の点光源と、
点光源から直接形成される光波と、物体光波からの干渉から形成された干渉パターンを記憶するために取り付けられ配置された画像検出デバイスであって、物体光波は、物体により点光源からの光波を分散または反射して形成され、複数のピクセルを含む画像検出デバイスと、を含み、
画像検出デバイスは、複数のピクセルの接続されないサブセットのそれぞれによる複数の干渉パターンが、同時に、受け取られて記憶されるように取り付けられる。
単一の点光源から本質的にコヒーレントな光を出射する工程と、
点光源の近くに位置する例えば物体空間に、物体を配置し、点光源の光波を物体に照射する工程と、
複数のピクセルを含む画像検出デバイスを用いて、点光源から直接形成された光波と物体光波からの干渉から得られる干渉パターンを受け取って記録する工程であって、物体光波は、物体により点光源からの光波を分散または反射して形成される工程と、を含み、
干渉パターンを受け取り記録する工程は、それぞれの複数の接続されないサブセットのピクセルにより、複数の干渉パターンが、同時に受け取られて記憶される工程を含む。
Claims (12)
- 物体のインラインレンズフリーホログラフィを実施するための装置であって、
コヒーレント光を出射するために取り付けられた単一の点光源と、
点光源から直接形成される光波と、物体光波からの干渉から形成された干渉パターンを記憶するために取り付けられ配置された画像検出デバイスであって、物体光波は、物体により点光源からの光波を分散または反射して形成され、複数のピクセルを含む画像検出デバイスと、を含み、
点光源は、広い波長スペクトル光源とピンホール構造とを含み、広い波長スペクトル光源は、ピンホール構造に向かって光を照射するように配置され、
画像検出デバイスは、ピクセルの接続されないサブセットのそれぞれに対して、ピクセルの接続されないサブセットのピクセルのそれぞれの上に配置されたそれぞれの狭い帯域の波長フィルタを含み、それぞれの狭い帯域の波長フィルタの波長範囲は、点光源の広い波長スペクトルの範囲内にあり、狭い帯域の波長フィルタのそれらの波長範囲は重複せず、
画像検出デバイスは、複数のピクセルの接続されないサブセットのそれぞれによる複数の干渉パターンを、同時に、受け取って記録するように取り付けられる、装置。 - 更に、少なくとも複数の干渉パターンに基づいて位相情報を得るために取り付けられた処理手段を含む請求項1に記載の装置。
- ピクセルは、一定間隔のマトリックスパターンに配置された請求項1または2のいずれかに記載の装置。
- それぞれのピクセルのサブセットのピクセルは、画像検出デバイスの主平坦面の上に均一に分配された請求項1〜3のいずれかに記載の装置。
- それぞれのピクセルのサブセットのピクセルは、互いに一定の距離に配置され、それぞれの結果のグリップが、それぞれに対して一定の距離でオフセットされた請求項1〜4のいずれかに記載の装置。
- それぞれの接続されないサブセットのピクセルは、一定の間隔のマトリックスパターンの列として配置された請求項3に記載の装置。
- 広い波長スペクトル光源は、白色レーザデバイスまたはLEDデバイスを含む請求項1〜6のいずれかに記載の装置。
- それぞれの狭い帯域のフィルタの波長範囲はNnmより小さく、広い波長スペクトルはN×Mnmより大きな波長範囲を有し、Mは装置に含まれる狭い帯域のフィルタの数である請求項1〜7のいずれかに記載の装置。
- 物体のインラインレンズフリーデジタルホログラフィを実施する方法であって、
単一の点光源から本質的にコヒーレントな光を出射する工程と、
点光源の近くに位置する物体空間に物体を配置し、点光源の光波を物体に照射する工程と、
複数のピクセルを含む画像検出デバイスを用いて、点光源から直接形成された光波と物体光波からの干渉から得られる干渉パターンを受け取って記録する工程であって、物体光波は、物体により点光源からの光波を分散または反射して形成される工程と、を含み、
干渉パターンを受け取って記録する工程は、複数のピクセルの接続されないサブセットのそれぞれにより、複数の干渉パターンが同時に受け取られて記憶される工程を含み、
この方法は、点光源を用いて光の広い波長スペクトルを出射し、複数のピクセルの接続されないサブセットにより複数の干渉パターンを受け取る前に、それぞれの接続されないサブセットに対して、それぞれの狭い帯域の波長フィルタを用いて、同じサブセットに属するそれぞれのピクセルのために入射光をフィルタする工程と、を含み、それぞれの狭い帯域の波長フィルタの波長範囲は、点光源の広い波長スペクトルの範囲内にあり、それぞれの狭い帯域の波長フィルタの波長範囲は重複しない方法。 - 更に、複数の干渉パターンを用いる反復位相取得アルゴリズムを、処理手段の上で実施することにより、物体の位相情報を得る工程を含む請求項9に記載の方法。
- 複数のピクセルの接続されないサブセットにより、複数の干渉パターンが、同時に受け取られて記録されることによる、物体のインラインレンズフリーデジタルホログラフィを実施するための請求項1〜8のいずれかに記載の装置の使用。
- コンピュータを走らせた場合に、請求項1〜8のいずれかに記載の装置により、同時に受け取られて記録された複数の干渉パターンに基づいて、物体の位相情報を得るのに適したコンピュータプログラム製品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13195248.3A EP2879004A1 (en) | 2013-12-02 | 2013-12-02 | Apparatus and method for performing in-line lens-free digital holography of an object |
EP13195248.3 | 2013-12-02 | ||
PCT/EP2014/076270 WO2015082476A1 (en) | 2013-12-02 | 2014-12-02 | Apparatus and method for performing in-line lens-free digital holography of an object |
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EP (2) | EP2879004A1 (ja) |
JP (1) | JP6290416B2 (ja) |
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CN105917358B (zh) * | 2014-01-10 | 2020-03-24 | 株式会社高永科技 | 三维形状测定装置及方法 |
WO2016084420A1 (ja) * | 2014-11-27 | 2016-06-02 | 株式会社島津製作所 | ディジタルホログラフィ装置及びディジタルホログラム生成方法 |
CN106442412B (zh) * | 2016-08-31 | 2019-01-29 | 上海交通大学 | 利用超分辨率算法的同轴全息成像系统的成像方法 |
WO2018064660A1 (en) | 2016-09-30 | 2018-04-05 | University Of Utah Research Foundation | Lensless imaging device |
EP3382467A1 (en) | 2017-03-27 | 2018-10-03 | IMEC vzw | A device, a system and a method in holographic imaging |
EP3460585B1 (en) * | 2017-09-25 | 2021-07-14 | Imec Vzw | An imaging device for in-line holographic imaging of an object |
EP3531213B1 (en) * | 2018-02-22 | 2022-11-16 | IMEC vzw | An optical device, a system and a method for forming a distribution of a three-dimensional light field |
CN108562541B (zh) * | 2018-04-23 | 2021-04-23 | 南京大学 | 基于矩阵分解的无透镜全息显微散斑噪声去除方法及装置 |
CN109886882A (zh) * | 2019-01-17 | 2019-06-14 | 哈尔滨工业大学 | 基于空间光调制器的彩色single-shot叠层相位恢复技术 |
EP3839478B1 (en) * | 2019-12-20 | 2024-03-20 | Imec Vzw | A device for detecting particles in air |
FR3130369B1 (fr) * | 2021-12-14 | 2024-06-28 | Safran Electronics & Defense | Caméra multispectrale à acquisition instantanée |
CN114323278A (zh) * | 2021-12-23 | 2022-04-12 | 长光驰宇科技(长春)有限公司 | 一种灵巧型多光谱成像设备 |
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WO2009066771A1 (ja) * | 2007-11-22 | 2009-05-28 | National University Corporation Kyoto Institute Of Technology | デジタルホログラフィ装置及び位相板アレイ |
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US6411406B1 (en) * | 2001-03-12 | 2002-06-25 | Dalhousie University | Holographic microscope and method of hologram reconstruction |
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JP2007072279A (ja) * | 2005-09-08 | 2007-03-22 | Sony Corp | ホログラム記録媒体、ホログラム再生装置、ホログラム再生方法 |
WO2009066771A1 (ja) * | 2007-11-22 | 2009-05-28 | National University Corporation Kyoto Institute Of Technology | デジタルホログラフィ装置及び位相板アレイ |
JP2013508775A (ja) * | 2009-10-20 | 2013-03-07 | ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア | オンチップでの非干渉性のレンズフリーのホログラフィおよび顕微鏡法 |
WO2012150472A1 (en) * | 2011-05-03 | 2012-11-08 | MTA Számítástechnikai és Automatizálási Kutató Intézet | Apparatus for producing a three-dimensional colour image |
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WO2015082476A1 (en) | 2015-06-11 |
EP2879004A1 (en) | 2015-06-03 |
JP6290416B2 (ja) | 2018-03-07 |
US9811051B2 (en) | 2017-11-07 |
CN105874391B (zh) | 2019-04-02 |
EP3077876A1 (en) | 2016-10-12 |
US20170031318A1 (en) | 2017-02-02 |
CN105874391A (zh) | 2016-08-17 |
EP3077876B1 (en) | 2021-08-11 |
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