JP2015519010A - レーザキャビディからの出力周波数のロックおよびスキャン方法および装置 - Google Patents
レーザキャビディからの出力周波数のロックおよびスキャン方法および装置 Download PDFInfo
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Abstract
Description
前記レーザキャビティからの出力と、前記外部基準キャビティからの出力との間のエラー信号を生成する信号生成器と;
前記エラー信号の第1成分を処理して、前記二重の圧作動ミラーの第1圧電結晶へフィードバック信号を送る第1信号処理回路と;
前記エラー信号の第2成分を処理して、前記二重の圧作動ミラーの第2圧電結晶へフィードバック信号を送る第2信号処理回路と;を具える。
外部基準キャビティをレーザキャビティに設けるステップと;
前記レーザキャビティからの出力と、前記外部基準キャビティからの出力との間のエラー信号を生成するステップと;
前記エラー信号の第1成分を処理して、前記二重の圧作動ミラーの第1圧電結晶へフィードバック信号を送るステップと;
前記エラー信号の第2成分を処理して、前記二重の圧作動ミラーの第2圧電結晶へフィードバック信号を送るステップと;を具える。
Claims (18)
- レーザキャビティ用ロックおよびスキャン装置において、当該装置が、外部基準キャビティと、前記レーザキャビティの二重の圧作動ミラーに電気的に接続されたロックおよびスキャン回路とを具え、当該回路が:
前記レーザキャビティからの出力と前記外部基準キャビティからの出力との間のエラー信号を生成し、当該エラー信号を第1成分と第2成分とに分割する信号生成器と;
前記エラー信号の第1成分を処理して、前記二重の圧作動ミラーの第1圧電結晶へフィードバック信号を送る第1信号処理回路と;
前記エラー信号の第2成分を処理して、前記二重の圧作動ミラーの第2圧電結晶へフィードバック信号を送る第2信号処理回路と;
を具えることを特徴とするロックおよびスキャン装置。 - 請求項1に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶の厚みが、前記第1圧電結晶の厚みより薄いことを特徴とするロックおよびスキャン装置。
- 請求項1または2に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶は、前記二重の圧作動ミラーの第1圧電結晶よりも高い周波数で駆動できるよう構成されていることを特徴とするロックおよびスキャン装置
- 請求項1乃至3のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第1圧電結晶が、ロックされた単一縦キャビティモードをスキャンする手段を提供することを特徴とするロックおよびスキャン装置。
- 請求項1乃至4のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶が、前記レーザキャビティの動作を単一縦キャビティモードにロックする手段を提供することを特徴とするロックおよびスキャン装置。
- 請求項1乃至5のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第1圧電結晶の厚みが4mmであることを特徴とするロックおよびスキャン装置。
- 請求項1乃至6のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第1圧電結晶は、10kHz未満の周波数で駆動可能に構成されていることを特徴とするロックおよびスキャン装置。
- 請求項1乃至7のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶の厚みが1mm未満であることを特徴とするロックおよびスキャン装置。
- 請求項1乃至8のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶の厚みが0.5mm未満であることを特徴とするロックおよびスキャン装置。
- 請求項1乃至9のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶は、15kHzより上の周波数で駆動可能に構成されていることを特徴とするロックおよびスキャン装置。
- 請求項1乃至10のいずれか1項に記載のロックおよびスキャン装置において、前記二重の圧作動ミラーの第2圧電結晶は、100kHzより上の周波数で駆動可能に構成されていることを特徴とするロックおよびスキャン装置。
- 請求項1乃至11のいずれか1項に記載のレーザキャビティと、ロックおよびスキャン装置とを具えることを特徴とするレーザシステム。
- 二重の圧作動ミラーを具えるレーザキャビティのロックおよびスキャン方法であって、当該方法が、
外部基準キャビティを前記レーザキャビティに設けるステップと、
前記レーザキャビティからの出力と前記外部基準キャビティからの出力との間のエラー信号を生成するステップと、
前記エラー信号を第1成分と第2成分とに分割するステップと、
前記エラー信号の第1成分を処理して、前記二重の圧作動ミラーの第1圧電結晶へフィードバック信号を送るステップと、
前記エラー信号の第2成分を処理して、前記二重の圧作動ミラーの第2圧電結晶へフィードバック信号を送るステップと、
を具えることを特徴とする方法。 - 請求項13に記載のレーザキャビティのロックおよびスキャン方法において、前記二重の圧作動ミラーの第1圧電結晶へのフィードバック信号が、ロックされた単一縦キャビティモードをスキャンする手段を提供することを特徴とする方法。
- 請求項13または14に記載のレーザキャビティのロックおよびスキャン方法において、前記二重の圧作動ミラーの第2圧電結晶へのフィードバック信号が、前記レーザキャビティの動作を単一縦キャビティモードにロックする手段を提供することを特徴とする方法。
- 請求項13乃至15のいずれか1項に記載のレーザキャビティのロックおよびスキャン方法において、前記二重の圧作動ミラーの第1圧電結晶へのフィードバック信号が、前記二重の圧作動ミラーの第1圧電結晶を10kHz未満の周波数で駆動することを特徴とする方法。
- 請求項13乃至16のいずれか1項に記載のレーザキャビティのロックおよびスキャン方法において、前記二重の圧作動ミラーの第2圧電結晶へのフィードバック信号が、前記二重の圧作動ミラーの第2圧電結晶を15kHzより上の周波数で駆動することを特徴とする方法。
- 請求項13乃至17のいずれか1項に記載のレーザキャビティのロックおよびスキャン方法において、前記二重の圧作動ミラーの第2圧電結晶へのフィードバック信号が、前記二重の圧作動ミラーの第2圧電結晶を100kHzまたはそれ以上の周波数で駆動することを特徴とする方法。
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PCT/GB2013/051349 WO2013178994A1 (en) | 2012-06-01 | 2013-05-22 | Method and apparatus for locking and scanning the output frequency from a laser cavity |
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US9165293B2 (en) | 2012-03-30 | 2015-10-20 | Mastercard International Incorporated | Systems and methods for waveform transmission of transaction card data |
US9683928B2 (en) | 2013-06-23 | 2017-06-20 | Eric Swanson | Integrated optical system and components utilizing tunable optical sources and coherent detection and phased array for imaging, ranging, sensing, communications and other applications |
US9464883B2 (en) | 2013-06-23 | 2016-10-11 | Eric Swanson | Integrated optical coherence tomography systems and methods |
CN104037611B (zh) * | 2014-07-01 | 2017-06-06 | 哈尔滨工业大学 | 基于压电效应和声光移频的横向塞曼激光锁频方法和装置 |
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CA2873535C (en) | 2019-09-24 |
GB2499471B (en) | 2014-09-10 |
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CA2873535A1 (en) | 2013-12-05 |
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