JP2020536223A - 光エネルギー蛍光励起 - Google Patents
光エネルギー蛍光励起 Download PDFInfo
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- JP2020536223A JP2020536223A JP2019571271A JP2019571271A JP2020536223A JP 2020536223 A JP2020536223 A JP 2020536223A JP 2019571271 A JP2019571271 A JP 2019571271A JP 2019571271 A JP2019571271 A JP 2019571271A JP 2020536223 A JP2020536223 A JP 2020536223A
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- Prior art keywords
- light
- optical
- excitation
- optical pipe
- pipe
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Abstract
Description
本出願は、その全体が参照により本明細書に組み込まれる、「光エネルギー蛍光励起(Light Energy Fluorescence Excitation)」という名称の、2017年12月28日に出願された米国特許出願第62/611,448号の優先権を主張する。本出願はまた、その全体が参照により本明細書に組み込まれる、「2018年3月19日に出願された「光エネルギー蛍光励起」という名称の米国特許出願第62/644,805号の優先権を主張する。本出願はまた、その全体が参照により本明細書に組み込まれる、「光エネルギー蛍光励起」という名称の、2018年3月20日に出願されたオランダ特許出願第2020636号の優先権を主張する。
光エネルギー励起装置を説明する。
Claims (20)
- 光エネルギー励起装置により励起光を放射する工程であって、前記光エネルギー励起装置は、第1の光源および第2の光源を備え、前記第1の光源は、第1の波長放射帯域で励起光線を放射し、前記第2の光源は、第2の波長放射帯域で励起光線を放射する、工程と、
励起光および該励起光による励起から生じる発光シグナル光を検出部で受け、該検出部は、生物学的または化学的サンプルを支持するための検出部表面と、該検出部表面から間隔を置いて配置されたセンサーアレイとを備え、前記検出部は、励起光を遮断し、発光シグナル光が前記センサーアレイの光センサーに向かって伝播することを可能にする、工程と、
前記センサーアレイの光センサーによって感知された光子に応じて検出部データシグナルの回路を送信する、工程と、
を含む方法。 - 前記光エネルギー励起装置を用いて放射する工程は、前記光エネルギー励起装置の光パイプ光出射面を結像して、前記検出部表面の大きさおよび形に合致するイルミネーションパターンを投影することを含む、請求項1に記載の方法。
- 相補型メタルオキシドセミコンダクタ(CMOS)集積回路製造技術を使用して前記検出部を製造することを含む、請求項1に記載の方法。
- DNA配列決定処理のサポートにおける各複数のサイクルについて、
(a)前記検出部表面によって規定されるフローセルから液体を除去し、
(b)第1および第2の色素がフローセル内に同時に含まれるようにフローセルを第1および第2の色素で満たし、
(c)前記第1の光源が通電され、前記第2の光源が非通電状態に維持され、発光シグナル光に曝された光センサーから第1のシグナルを読み出し、
(d)前記第2の光源が通電され、前記第1の光源が非通電状態に維持され、発光シグナル光に曝された光センサーから第2のシグナルを読み出し、
(e)第1のシグナルのシグナルおよび第2のシグナルのシグナルを使用してDNAヌクレオチドを識別することを含む、請求項1に記載の方法。 - 前記光エネルギー励起装置は、第3の波長の発光帯域で光を放射する第3の光源を備え、
前記放射は、前記光センサーの第1の露光期間中に、前記第2の光源と前記第3の光源とを非通電状態に維持した状態で前記第1の光源を選択的に通電することを含み、
前記放射は、前記光センサーの第2の露光期間中に前記第1の光源と前記第3の光源とを非通電状態に維持した状態で前記第2の光源を選択的に通電することを含み、
前記放射は、前記光センサーの第3の露光期間中に前記第1の光源と前記第2の光源とを非通電状態に維持した状態で前記第3の光源を選択的に通電することを含む、請求項1に記載の方法。 - 励起光線を放射するための少なくとも1つの光源と、
励起光を均質化し、励起光を光エネルギー励起装置の先端部に方向づける光パイプであって、光入射面および光出射面を備え、少なくとも1つの光源から励起光線を受ける光パイプと、を備え、
前記先端部は、生物学的または化学的サンプルを支持するための検出部表面を備える検出部アッセンブリと結合するように適合される、
光エネルギー励起装置。 - 前記先端部は、前記検出部アッセンブリの対応する形状のハウジング部分に嵌合するように適合された形状のハウジング部分を含む、請求項6に記載の光エネルギー励起装置。
- 前記先端部は、前記検出部アセンブリに結合されたときに、前記光出射面によって画定された物体平面を、前記検出部アセンブリの検出部表面によって画定された画像平面上に結像するレンズを備える、請求項6に記載の光エネルギー励起装置。
- 前記少なくとも1つの光源は、前記光パイプの前記光入射面に面結合された発光ダイオードを含む、請求項6に記載の光エネルギー励起装置。
- 前記少なくとも1つの光源が、第1および第2の光源を備え、光が前記光源から励起光線を受け、前記光パイプと共通のハウジングに収容された第2の光パイプを備え、該第2の光パイプが、前記第2の光源から励起光線を受け、
前記光パイプおよび前記第2の光パイプが、それぞれ、前記第1の光源および前記第2の光源から放射された励起光線を伝播し、前記光パイプおよび前記第2の光パイプをそれぞれ通って伝播する励起光線を成形して、第1および第2の別個のイルミネーションパターンを画定する、請求項6に記載の光エネルギー励起装置。 - 前記少なくとも1つの光源は、前記光パイプの光入射面に表面結合された第1の発光ダイオードと、前記光パイプの光入射面に表面結合された第2の発光ダイオードとを含み、前記第1の発光ダイオードは、第1の波長帯域の光を放射し、前記第2の発光ダイオードは、第2の波長帯域の光を放射する、請求項6に記載の光エネルギー励起装置。
- 前記光パイプは、テーパ構造であり、前記光パイプの前記光入射面から前記光パイプの前記光出射面に向かう方向における、前記光パイプの長さ全体にわたって、増大する径を有し、前記光パイプは、前記光パイプの前記光出射面を出射する光パイプ出射光線が、前記光エネルギー励起装置の光軸に対して発散する光の発散円錐を画定するように、励起光を反射する、請求項6に記載の光エネルギー励起装置。
- 前記光パイプは、テーパ構造であり、前記光パイプの前記光入射面から前記光パイプの前記光出射面に向かう方向における、前記光パイプの長さ全体にわたって、増大する径を有し、前記光パイプは、前記光パイプの前記光出射面を出射する出射光線が、前記光エネルギー励起装置の光軸に対して発散する光の発散円錐を画定するように、励起光を反射し、前記出射光線は、前記光軸に並行する方向に、前記光出射面から延在する基準光線に対して0度から最大発散角までの範囲の角度で発散し、前記最大発散角は、約60度未満の角度である、請求項6に記載の光エネルギー励起装置。
- 前記光パイプは、テーパ構造であり、前記光パイプの長さ全体にわたって、前記光パイプの前記光入射面から前記光出射面に向かう方向における、増大する径を有し、前記光パイプは、前記光パイプの前記光出射面を出射する光パイプ出射光線が、前記テーパ構造なしで形成された光発散角の発散円錐に対して低減された光軸に対する角度を形成する光の発散円錐を画定するように、励起光を反射する、請求項6に記載の光エネルギー励起装置。
- 前記光パイプから励起光を受け、前記先端部を出射する励起光の励起光線が、前記光エネルギー励起装置の光軸に向かって収束して前記検出部表面の大きさおよび形状に合致するイルミネーションパターンを投影する収束円錐を画定するように前記励起光の光線を成形するレンズを備える、請求項6に記載の光エネルギー励起装置。
- 前記光パイプから励起光を受け、レンズの光出射面を出射する励起光線が、前記光エネルギー励起装置の光軸に向かって収束する光の収束円錐を画定するように前記励起光の光線を成形するレンズを備え、該レンズを出射する前記光出射光線は、前記光軸に並行する方向に前記光出射面から延在する基準光線に対して0度から最大収束角度までの範囲の角度で収束し、前記最大発散角度は、約60度未満の角度である、請求項6に記載の光エネルギー励起装置。
- 前記少なくとも1つの光源は、前記光パイプの光入射面に結合された表面である発光ダイオードを備え、
前記光パイプはガラスを含み、前記光パイプは、テーパ構造であり、前記光パイプの前記光パイプの長さ全体にわたって、前記光パイプの前記光入射面から前記光出射面に向かう方向における、増大する径を有し、前記光パイプの前記光出射面を出射する光パイプ出射光線が、前記光エネルギー励起装置の光軸に対して発散する光の発散円錐を画定するように、前記光パイプが励起光を反射し、
前記光パイプから前記励起光を受け、前記励起光の光線を成形して、前記先端部を出射する前記励起光の光線が、前記光軸に対して収束する光の収束円錐を画定するようにするレンズを備え、
1つまたは複数の光源の波長の累積発光帯域よりも長い波長の光をフィルタリングする1つ以上のフィルタを備え、
光軸を折り曲げるフォールド光学系を備える、請求項6に記載の光エネルギー励起装置。 - 励起光線を放射するための少なくとも1つの光源と、励起光線を均質化し、該励起光線を方向付けるための光パイプとを備える光エネルギー励起装置であって、光パイプはが少なくとも1つの光源から励起光線を受けるための光入射面を備える、光エネルギー励起装置と、
生物学的または化学的サンプルを支持するための検出部表面と、該検出部表面から離間された光センサーを備えるセンサーアレイとを備える検出部であって、前記光エネルギー励起装置からの励起光および発光シグナル光を受け、センサーアレイの光センサーによって検出された光子に応じてデータシグナルを送信するための回路を備え、励起光を遮断し、発光シグナル光が前記光センサーに向かって伝播することを可能にする検出部と、を備える、システム。 - 前記光エネルギー励起装置は、前記光パイプの光出射面によって画定される物体平面を、前記検出部表面によって画定される像平面上に集束させるレンズを含む、請求項18に記載のシステム。
- 前記少なくとも1つの光源が、前記光パイプの前記光入射面に結合された表面である発光ダイオードを備え、前記光パイプがガラスを備え、前記光パイプはテーパ構造であり、前記光パイプの前記光入射面から前記光パイプの前記光出射面に向かう方向における、前記光パイプの長さ全体にわたって、増大する径を有し、前記光パイプは、前記光パイプの前記光出射面を出射する光パイプ出射光線が、前記光エネルギー励起装置の光軸に対して発散する光の発散円錐を画定するように、励起光を反射し、
前記光エネルギー励起装置は、前記光エネルギー励起装置が、前記光パイプから励起光を受け、レンズを出射する光出射光線が、前記光エネルギー励起装置の前記光軸に対して収束する光の収束円錐を規定するように、励起光の光線を成形するレンズを備え、
前記光エネルギー励起装置は、1つまたは複数の光源の波長の累積発光帯域よりも長い波長の光をフィルタリングする1つ以上のフィルタを備える、
請求項18に記載のシステム。
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