JP2012015532A - 波長同調発信源装置及びその方法 - Google Patents
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Abstract
【解決手段】電磁放射線をフィルタリングする装置および発信源構成は、電磁放射線の周波数に基づいて当該電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成を備える。また、前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成を備える。さらに、前記信号を受信するよう構成された少なくとも1つのビーム選択構成を備える。
【選択図】図1B
Description
そして、本発明は広く光学システムに関し、特に波長同調に用いる光学波長フィルターシステムに関する。
Claims (51)
- 100テラヘルツ毎ミリ秒を超える同調スピードにおいて、平均周波数が時間とともに実質的に連続的に変化するスペクトルを有する電磁放射線を発する構成を備える装置。
- 前記平均周波数が、5キロヘルツを超える反復速度で、繰り返し変化する請求項1に記載の装置。
- 前記平均周波数が、10テラヘルツを超える範囲で変化する請求項1に記載の装置。
- 前記スペクトルの同調範囲は中心がほぼ1300nmに集中する請求項3に記載の装置。
- 前記スペクトルの同調範囲は中心がほぼ850nmに集中する請求項3に記載の装置。
- 前記スペクトルの同調範囲は中心がほぼ1700nmに集中する請求項3に記載の装置。
- 前記スペクトルの瞬間輝線幅が100ギガヘルツ未満である請求項1に記載の装置。
- 往復の長さが5m未満であって前記電磁放射線を受信するレーザー共振器をさらに備える請求項1に記載の装置。
- 発せられた前記電磁放射線に関連する少なくとも1つの信号を受信し、当該少なくとも1つの信号のさらに遠い位置への反射または偏向の少なくとも1つを行うように構成された多面体構成をさらに備える請求項1に記載の装置。
- 前記電磁放射線を受信し、少なくとも当該電磁放射線の成分を通過させるビーム分離構成をさらに備える請求項1に記載の装置。
- 電磁放射線をフィルタリングする装置であって、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成と、
前記少なくとも1つの信号を受信するよう構成された少なくとも1つのビーム選択構成と、を備える電磁放射線をフィルタリングする装置。 - 前記少なくとも1つのスペクトル分離構成は、回折格子、プリズム、グリズム、音響光学ビーム偏光器、仮想位相配列、アレイ導波路回折格子のうち、少なくとも1つを含む請求項11に記載の装置。
- 前記少なくとも1つの連続回転光学構成は、多面鏡、回折素子、実質的に透明な領域の配列を有する実質的に不透明な円盤、実質的に反射する領域の配列を有する実質的に透明な円盤のうち、少なくとも1つである請求項11に記載の装置。
- 前記少なくとも1つのスペクトル分離構成はホログラフィック格子を含み、前記少なくとも1つの連続回転光学構成は基板を含み、前記ホログラフィック格子は前記基板上に設けられている請求項11に記載の装置。
- 前記ビーム選択構成は、光ファイバー、光導波路、ピンホール開口、レンズに前記光ファイバーと前記導波路と前記ピンホールとを組み合わせたもの、ならびに空間フィルターのうち、少なくとも1つである請求項11に記載の装置。
- 前記ビーム選択構成が複数のビーム選択素子を含み、当該複数のビーム選択素子により透過される前記電磁放射線が結合される請求項11に記載の装置。
- 前記少なくとも1つの信号が、前記1つ以上の選択構成により受信される前に、複数回、前記少なくとも1つの連続回転光学構成から反射またはこれを介して伝幡される請求項11に記載の装置。
- 電磁放射線をフィルタリングする装置であって、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を角度分離するよう構成された少なくとも1つのスペクトル分離構成と、
回転軸を含み、前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する少なくとも1つの信号を生成するよう構成された少なくとも1つの角度偏向光学構成と、
前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する1つ以上の分散素子の画像を生成するように構成された少なくとも1つの光撮像構成と、
前記少なくとも1つの信号を受信し、少なくとも1つの選択された信号を選択的に生成するよう構成された少なくとも1つのビーム選択構成と、を備える電磁放射線をフィルタリングする装置。 - 前記分散素子のうち少なくとも1つの仮想画像の近傍に前記回転軸が位置する請求項18に記載の装置。
- 前記分散素子のうち少なくとも1つの実画像の近傍に前記回転軸が位置する請求項18に記載の装置。
- 角度偏向光学素子の偏向点が、前記分散素子のうち少なくとも1つの実画像と実質的に重なる請求項18に記載の装置。
- 前記少なくとも1つの角度偏向光学構成から少なくとも1つの信号を受信するよう構成された少なくとも1つの反射器をさらに備える請求項21に記載の装置。
- 前記分散素子の前記少なくとも1つは、回折格子、プリズム、グリズム、音響光学ビーム偏光器、仮想位相配列、アレイ導波路回折格子のうち、少なくとも1つである請求項18に記載の装置。
- 前記少なくとも1つの角度偏向光学素子は、多面鏡スキャナー、ガルバノ・ミラー・スキャナー、ピエゾミラースキャナーのうち、少なくとも1つである請求項18に記載の装置。
- 電磁放射線をフィルタリングする装置であって、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を角度分離し、周波数分離した成分を生成するよう構成された少なくとも1つの分散構成と、
角度偏向の回転軸を有する少なくとも1つの角度偏向光学素子と、を備え、
前記回転軸が実質的に全ての前記周波数分離した成分が重なる位置に実質的に重なる、電磁放射線をフィルタリングする装置。 - 電磁放射線を発する発信源構成であって、
前記電磁放射線の少なくとも1つのエミッターと、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成と、
前記少なくとも1つの信号を受信するよう構成された少なくとも1つのビーム選択構成と、を備える電磁放射線を発する発信源構成。 - 前記少なくとも1つのエミッターは、半導体光増幅器、レーザーダイオード、スーパールミネッセントダイオード、ドープ光ファイバー、ドープレーザー結晶、ドープレーザーガラス、およびレーザー色素のうち、少なくとも1つである請求項26に記載の発信源構成。
- 電磁放射線を発する発信源構成であって、
前記電磁放射線の少なくとも1つのエミッターと、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を角度分離するよう構成された少なくとも1つのスペクトル分離構成と、
回転軸を含み、前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する少なくとも1つの信号を生成するよう構成された少なくとも1つの角度偏向光学構成と、
前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する1つ以上の分散素子の画像を生成するよう構成された少なくとも1つの光撮像構成と、
前記少なくとも1つの信号を受信し、少なくとも1つの選択された信号を選択的に生成するよう構成された少なくとも1つのビーム選択構成と、を備える電磁放射線を発する発信源構成。 - 前記少なくとも1つのエミッターは、半導体光増幅器、レーザーダイオード、スーパールミネッセントダイオード、ドープ光ファイバー、ドープレーザー結晶、ドープレーザーガラス、およびレーザー色素のうち、少なくとも1つである請求項28に記載の発信源構成。
- 電磁放射線を発する発信源構成であって、
前記電磁放射線を発する少なくとも1つのレーザー利得媒質と、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成と、
前記少なくとも1つの信号を受信するよう構成された少なくとも1つのビーム選択構成と、を備える電磁放射線を発する発信源構成。 - 前記電磁放射線を受信する少なくとも1つのレーザー共振器をさらに備える請求項30に記載の発信源構成。
- 前記レーザー共振器はリングレーザー共振器である請求項31に記載の発信源構成。
- 前記レーザー利得媒質は、半導体光増幅器、レーザーダイオード、スーパールミネッセントダイオード、ドープ光ファイバー、ドープレーザー結晶、ドープレーザーガラス、およびレーザー色素のうち、少なくとも1つである請求項30に記載の発信源構成。
- 前記少なくとも1つのスペクトル分離構成は、正の波長方向に連続して周波数掃引を行う請求項30に記載の発信源構成。
- 光サーキュレーターをさらに備える請求項30に記載の発信源構成。
- 少なくとも1つのレーザー利得媒質の波長域が互いに同じではない請求項30に記載の発信源構成。
- 電磁放射線を発する発信源構成であって、
前記電磁放射線を発する少なくとも1つのレーザー利得媒質と、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を角度分離するよう構成された少なくとも1つのスペクトル分離構成と、
回転軸を含み、前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する少なくとも1つの信号を生成するよう構成された少なくとも1つの角度偏向光学構成と、
前記少なくとも1つの信号を受信し、少なくとも1つの選択された信号を選択的に生成するよう構成された少なくとも1つのビーム選択構成と、
前記選択された信号を受信し、前記1つ以上の成分に関連する1つ以上の分散素子の画像を生成するよう構成された少なくとも1つの光撮像構成と、を備える電磁放射線を発する発信源構成。 - 前記電磁放射線を受信する少なくとも1つのレーザー共振器をさらに備える請求項37に記載の発信源構成。
- 前記レーザー共振器はリングレーザー共振器である請求項38に記載の発信源構成。
- 前記レーザー利得媒質は、半導体光増幅器、レーザーダイオード、スーパールミネッセントダイオード、ドープ光ファイバー、ドープレーザー結晶、ドープレーザーガラス、およびレーザー色素のうち、少なくとも1つである請求項37に記載の発信源構成。
- 前記少なくとも1つのスペクトル分離構成は、正の波長方向に連続して周波数掃引を行う請求項37に記載の発信源構成。
- 光サーキュレーターをさらに備える請求項37に記載の発信源構成。
- 少なくとも1つのレーザー利得媒質の波長域が互いに同じではない請求項37に記載の発信源構成。
- サンプルに対して少なくとも1つの第1の電磁放射線を発し、参照に対して少なくとも1つの第2の電磁放射線を発し、発せられた放射線の周波数が時間とともに変化する、少なくとも1つの第1の構成と、
前記第1の電磁放射線および前記第2の電磁放射線の間の干渉を検出する少なくとも1つの第2の構成と、
前記電磁放射線の周波数に基づいて前記第1の電磁放射線および前記第2の電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成と、
前記少なくとも1つの信号を受信するよう構成された少なくとも1つのビーム選択構成と、を備える装置。 - 前記参照が非反射性である請求項44に記載の装置。
- サンプルに対して少なくとも1つの第1の電磁放射線を発し、参照に対して少なくとも1つの第2の電磁放射線を発し、発せられた放射線の周波数が時間とともに変化する、少なくとも1つの第1の構成と、
前記第1の電磁放射線および前記第2の電磁放射線の間の干渉を検出する少なくとも1つの第2の構成と、
前記電磁放射線の周波数に基づいて前記第1の電磁放射線および前記第2の電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
回転軸を含み、前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する少なくとも1つの信号を生成するよう構成された少なくとも1つの角度偏向光学構成と、
前記少なくとも1つの信号を受信し、少なくとも1つの選択された信号を選択的に生成するよう構成された少なくとも1つのビーム選択構成と、
前記選択された信号を受信し、前記1つ以上の成分に関連する1つ以上の分散素子の画像を生成するよう構成された少なくとも1つの光撮像構成と、を備える装置。 - 前記参照が非反射性である請求項46に記載の装置。
- サンプルに対して少なくとも1つの第1の電磁放射線を発し、参照に対して少なくとも1つの第2の電磁放射線を発し、発せられた放射線の周波数が時間とともに変化する、少なくとも1つのレーザー利得構成と、
前記第1の電磁放射線および前記第2の電磁放射線の間の干渉を検出する少なくとも1つの第2の構成と、
前記第1の電磁放射線および前記第2の電磁放射線を発する少なくとも1つのレーザー利得媒質と、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を物理的に分離するよう構成された少なくとも1つのスペクトル分離構成と、
前記1つ以上の成分に関連する少なくとも1つの信号を受信するよう構成された少なくとも1つの連続回転光学構成と、
前記少なくとも1つの信号を受信するよう構成された少なくとも1つのビーム選択構成と、を備える装置。 - 前記参照が非反射性である請求項48に記載の装置。
- サンプルに対して少なくとも1つの第1の電磁放射線を発し、参照に対して少なくとも1つの第2の電磁放射線を発し、発せられた放射線の周波数が時間とともに変化する、少なくとも1つのレーザー利得構成と、
前記第1の電磁放射線および前記第2の電磁放射線の間の干渉を検出する少なくとも1つの第2の構成と、
前記電磁放射線の周波数に基づいて前記電磁放射線の1つ以上の成分を角度分離するよう構成された少なくとも1つのスペクトル分離構成と、
回転軸を含み、前記電磁放射線の前記1つ以上の成分を受信し、当該1つ以上の成分に関連する少なくとも1つの信号を生成するよう構成された少なくとも1つの角度偏向光学構成と、
前記少なくとも1つの信号を受信し、少なくとも1つの選択された信号を選択的に生成するよう構成された少なくとも1つのビーム選択構成と、
前記選択された信号を受信し、前記1つ以上の成分に関連する1つ以上の分散素子の画像を生成するよう構成された少なくとも1つの光撮像構成と、を備える装置。 - 前記参照が非反射性である請求項50に記載の装置。
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