JP2010533301A5 - - Google Patents

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JP2010533301A5
JP2010533301A5 JP2010516304A JP2010516304A JP2010533301A5 JP 2010533301 A5 JP2010533301 A5 JP 2010533301A5 JP 2010516304 A JP2010516304 A JP 2010516304A JP 2010516304 A JP2010516304 A JP 2010516304A JP 2010533301 A5 JP2010533301 A5 JP 2010533301A5
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light source
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clock
sweep
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  1. 光コヒーレンストモグラフィー用のクロック制御方法であって、掃引光源を均一周波数サンプリングクロック経路に連結するステップと、掃引光源を特徴付けるステップと、特徴付けステップによってクロック制御信号のディジタル表現を作成するステップと、経路長領域に直接フーリエ変換するための線形サンプリングを提供するために、デジタイザの外部クロック入力への出力としてクロック制御信号を生成するステップと、を含む光コヒーレンストモグラフィー用のクロック制御方法。
  2. 掃引光源から離れた光トリガ発生器で誘発されるデジタイザに、各掃引に関してクロック制御信号を出力するステップ、をさらに含む請求項1に記載の方法。
  3. 掃引光源の出力から電気同期パルスによってトリガが誘発される掃引光源の各掃引に関してクロック信号を出力するステップをさらに含む請求項に記載の方法。
  4. 任意波形発生器に少なくとも1つの波形を提供するステップと、任意波形発生器にその波形を格納するステップと、トリガ誘発事象中に、波形を生成するステップと、デジタイザの外部クロック入力に波形を連結するステップと、をさらに含む請求項3に記載の方法。
  5. 連結する前記ステップは、補助波長計を掃引光源連結するステップと、補助波長計の出力を処理して、クロック制御信号を生成するステップと、をさらに含む請求項1に記載の方法。
  6. 掃引光源の出力から電気同期パルスによってトリガが誘発される掃引光源の各掃引に関してクロック信号を出力するステップをさらに含む請求項5に記載の方法。
  7. 前記処理ステップは、ディジタル処理ステップをさらに含む請求項6に記載の方法。
  8. 任意波形発生器によってディジタル処理された信号を反復的に出力するステップをさらに含む請求項6に記載の方法。
  9. 掃引検出器によって掃引の強度プロフィールを収集するステップと、遅延発生器によって強度プロフィールを整形するステップと、整形された強度プロフィールを切り替え回路に連結するステップと、をさらに含む請求項8に記載の方法。
  10. 補助波長計の出力を切り替え回路に連結するステップと、第1の状態の下で電子切り替え回路からクロック信号を出力するステップと、をさらに含む請求項9に記載の方法。
  11. 前記処理ステップは、アナログ処理ステップをさらに含む請求項5に記載の方法。
  12. 掃引光源の限定されたデューティーサイクル中に、補助波長計をサンプリング回路に連結するステップと、各デューティーサイクルの非掃引セグメント中に予め固定された電圧制御型発振器からクロック信号を導出するステップと、をさらに含む請求項11に記載の方法。
  13. 前記処理ステップは、アナログ処理出力をディジタイザに連結するステップと、ディジタイザの出力をディジタル・アナログ・プロセッサに連結して、クロック信号を生成するステップと、をさらに含むアナログ処理ステップをさらに含む請求項4に記載の方法。
  14. 連結するステップは、掃引光源を均一周波数サンプリングクロック発生器に連結するステップと、クロック制御信号を生成するステップと、をさらに含む請求項1に記載の方法。
  15. 前記均一周波数サンプリングクロック発生器は、ディジタル化されたサンプリング時間で、絶対値の出力波長における測定基準を提供するガスセルと、サンプリング時間と出力波長との間の関係を提供するディジタイザに連結される光波長計と、をさらに備え、掃引光源の波数バイアスを決定することをさらに含む請求項14に記載の方法。
  16. 前記均一周波数サンプリングクロック発生器は、検出器チャネルおよびガスセルチャネルを備えて、ガスセルパルスを生成し、ガスセルパルスを微分して、最大吸収ガスセル線をゼロ交差電圧で置き換えるステップと、吸収ガスセル線の中心波長に対応する立ち上がりで、トランジスタ‐トランジスタ論理パルスを生成するステップと、光源掃引の形状を反復的に出力するステップと、ウィンドウパルスを生成してガスセルパルスの1つを選択するステップと、をさらに含む請求項14に記載の方法。
JP2010516304A 2007-07-12 2008-07-14 光コヒーレンストモグラフィー用のクロック制御方法 Active JP5481376B2 (ja)

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US94946707P 2007-07-12 2007-07-12
US60/949,467 2007-07-12
PCT/US2008/070010 WO2009009801A1 (en) 2007-07-12 2008-07-14 Apparatus and methods for uniform frequency sample clocking

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JP2010533301A JP2010533301A (ja) 2010-10-21
JP2010533301A5 true JP2010533301A5 (ja) 2011-09-01
JP5481376B2 JP5481376B2 (ja) 2014-04-23

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EP (1) EP2171396B1 (ja)
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