JP2007171186A - 試料検出システム - Google Patents
試料検出システム Download PDFInfo
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- JP2007171186A JP2007171186A JP2006341198A JP2006341198A JP2007171186A JP 2007171186 A JP2007171186 A JP 2007171186A JP 2006341198 A JP2006341198 A JP 2006341198A JP 2006341198 A JP2006341198 A JP 2006341198A JP 2007171186 A JP2007171186 A JP 2007171186A
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Abstract
【解決手段】試料検出システムであって、第1の屈折率を有し、目標検体を含む試料と、その試料を囲む、第1の屈折率より大きい第2の屈折率を有する最上層及び第1の屈折率より大きい第3の屈折率を有する基板と、を含む反共振導波路と、試料内へ光を誘導して試料内の反共振光学モードを生成する低出力光源と、試料内を伝播する光と前記目標検体との相互作用を検出する分析システムと、を含む検出装置と、からなることを特徴とする。
【選択図】図1
Description
・キセノンDCランプ(75W):ほぼ全波長範囲(300〜1000nm)にわたり、かなり均一に分布し、0.5mの距離で〜5mWm-2nm-2300nm未満で下降する。
・キセノン・フラッシュランプ(60Hz、60W平均出力):ほぼ全波長範囲(200〜1000nm)にわたり、0.5mの距離で>2mWm-2nm-1であって、深UVにおいてより強い。
・Hg(光学)ランプ(500W、DC):−365nm、404nm、435nmおよび546nmにおける主ピークについて0.5mの距離で〜0.2mWcm-2nm-1であって、313nmおよび576nmにおけるより小さいピークについて0.5mの距離で〜0.1mWcm-2nm-1であり(平行光学系およびフィルタ無しで)、他の全ての波長ははるかに小さい。
・Hgランプ(500W、DC):365nm、404nm、435nmおよび546nmにおける主ピークについて〜1Wであって、334nmにおけるより小さいピークについて〜0.2W(光線サイズが50×50mm2である平行光学系およびフィルタを含む)である。
・重水素ランプ(30W、DC):400nmと200nmの間で0.5mの距離で0.1〜1mWm-2nm-1(波長が短いほど線形に増大)
・クォーツ・タングステン・ハロゲンランプ(QTHランプ)(100W、DC):〜900nmでピークに達する連続スペクトル、500nmにおける0.5mの距離で25mWm-2nm-1、400nmにおいて10mWm-2nm-1、350nmにおいて5mWm-2nm-1、300nmにおいて2mWm-2nm-1である。
・長寿命:従来型光源の数百または二千時間に対し、LEDでは通常100000時間超
・低コスト:高出力Hgランプの数百または数千ドル(交換コストを含まず)に対し、LEDでは5〜20ドル
・ウォームアップ時間が不要
・同一設定によりDC動作およびパルス動作が可能(LEDパルス長が電子制御可能)
・はるかに高効率(=低電力消費)
・特殊な電源が不要(低電圧、低電流)
・極めて安定した光出力(低ノイズ)
・スペクトル的に狭帯域(フィルタ選択が容易)
・非有害物質(水銀無添加)
・指向性の高い発光(光学系が単純且つ安価)
Claims (6)
- 第1の屈折率を有し、目標検体を含む試料と、
前記試料を囲む、前記第1の屈折率より大きい第2の屈折率を有する最上層及び前記第1の屈折率より大きい第3の屈折率を有する基板と、を含む反共振導波路と、
前記試料内へ光を誘導して、前記試料内の反共振光学モードを生成する低出力光源と、
前記試料内を伝播する光と前記目標検体との相互作用を検出する分析システムと、を含む検出装置と、からなる試料検出システム。 - 前記低出力光源が約700mW以下の光源である、請求項1に記載のシステム。
- 前記検出装置が蛍光検出装置である、請求項1に記載のシステム。
- 前記検出装置がバイオチップ読取り装置である、請求項1に記載のシステム。
- 前記検出装置が蛍光顕微鏡である、請求項1に記載のシステム。
- 反共振導波路の一部として含有された試料を受容すべく構成された入射域と、
前記入射域内の、試料内に反射する光によって前記反共振導波路が反共振モードで動作するように選択された位置に光を放射するように配置され、少なくとも1個のダイオードを含む照射システムと、
前記試料内を伝播する相互作用を検出すべく配置された分析システムと、を含む試料検出システム。
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US11/315,797 US7248361B2 (en) | 2005-12-22 | 2005-12-22 | Fluorescence reader based on anti-resonant waveguide excitation |
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US20070146701A1 (en) | 2007-06-28 |
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