JP2008191150A - 光学キャビティ出力光をコード化する方法 - Google Patents
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Abstract
【解決手段】光学キャビティからの出力光は、一群のモードの各々に対する強度関数を含む。上記キャビティ内には検体が位置決めされ得ると共に、モードの強度関数は、検体の光学特性に関する情報を含むべくコード化され得る。たとえば上記強度関数はピークを含み得、その中心エネルギ、最大強度、コントラストまたは中間強度幅(たとえばFWHM)は上記光学特性を表し得る。たとえば上記情報は、検体の屈折率および吸収量の両方に関し得る。
【選択図】図1
Description
ボックス300からの情報により、ボックス302にては、各物体に関する情報が獲得されると共に、適切な検知期間が決定される。
所望範囲の光子エネルギの全体に亙り減光量κが波長の関数として測定されるという減光量/エネルギ曲線などにおいては、屈折率および吸収量の局所的導関数も測定され得る。吸収スペクトルの導関数は、検体を区別すべく使用されることで、たとえば、他の間質液の分子からグルコースを区別し得る。
光学キャビティは、スパッタリング、プラズマ支援ありもしくは無しでの電子ビームもしくは熱蒸着、エピタキシャル成長、MBE、MOCVDなどにより作製され得る。問題となる光子エネルギを考慮し、吸収係数が低く且つ屈折率の差が大きい適切な材料の対からブラッグ・ミラーが選択され得、代表的な材料としては、SiO2/TiO2、SiO2/Ta2O5、GaAs/AlAsおよびGaAs/AlGaAsが挙げられる。層厚みは、30nm〜数百ナノメータまで変化し得る。
12 検体位置決め構成要素
14 光学キャビティ操作構成要素
26、28、30、32、34、36、88 ボックス
Claims (3)
- ひとつ以上のモードにおいて出力光を提供すべく作用可能であると共に、検体が不在のときに各モードの内のひとつのモードにおいて出力光を提供するときに当該光学キャビティはコード化されていない夫々の強度関数を以て出力光を提供するという光学キャビティを使用する方法であって、
上記光学キャビティ内に、夫々の光学特性を有する検体を位置決めする段階と、
上記検体が上記光学キャビティ内に位置されている間に、上記各モードの内の少なくともひとつのモードにおいて検体により影響された出力光を提供する段階であって、各モードからの上記検体により影響された出力光は、そのコード化されていない強度関数とは相違する夫々のコード化強度関数を有し、上記相違は上記検体の光学特性を表すという段階とを備えて成る、
方法。 - ひとつ以上のモードにおいて出力光を提供すべく作用可能であると共に、検体が不在のときに各モードの内のひとつのモードにおいて出力光を提供するときに当該光学キャビティはコード化されていない夫々の強度関数を以て出力光を提供するという光学キャビティを使用する方法であって、
連続的な2つ以上の検体の各々を上記光学キャビティ内に位置決めする段階であって、上記連続物における各検体は夫々の光学特性を有し、各検体の光学特性は上記連続物内で変化するという段階と、
各検体が上記光学キャビティ内に位置されている間に、上記モードの部分集合の各モードにおいて夫々の検体影響出力光を上記光学キャビティが提供する様に該光学キャビティを操作する段階であって、上記部分集合における少なくともひとつのモードの夫々の検体影響出力光は、上記検体の変化的光学特性の結果として変化する強度関数を有するという段階とを備えて成る、
方法。 - 一群の透過モードの内のひとつ以上のモードにおいて出力光を提供すべく作用可能なファブリーペロー・キャビティを備え、
上記キャビティは、検体が内部に位置決めされ得るという検体用領域を有し、
上記検体用領域に検体が不在のときに上記ファブリーペロー・キャビティは光学的に非対称的であり、上記検体用領域内に検体が存在するときに上記ファブリーペロー・キャビティは光学的に対称的であり、
上記検体用領域内に検体が存在して、上記群の内の少なくともひとつのモードにおいて動作するときに上記ファブリーペロー・キャビティは、上記検体の光学特性に依存する夫々の強度関数を備えた出力光を提供する、
デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/702,363 | 2007-02-05 | ||
US11/702,363 US7545513B2 (en) | 2007-02-05 | 2007-02-05 | Encoding optical cavity output light |
Publications (2)
Publication Number | Publication Date |
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JP2008191150A true JP2008191150A (ja) | 2008-08-21 |
JP5361198B2 JP5361198B2 (ja) | 2013-12-04 |
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JP2008017988A Expired - Fee Related JP5361198B2 (ja) | 2007-02-05 | 2008-01-29 | 光学キャビティ出力光をコード化する方法 |
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US (1) | US7545513B2 (ja) |
EP (1) | EP1953535A3 (ja) |
JP (1) | JP5361198B2 (ja) |
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US20080186492A1 (en) | 2008-08-07 |
US7545513B2 (en) | 2009-06-09 |
EP1953535A2 (en) | 2008-08-06 |
JP5361198B2 (ja) | 2013-12-04 |
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