JP2020036021A - 空間分布レーザ共振器 - Google Patents
空間分布レーザ共振器 Download PDFInfo
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
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- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
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Abstract
Description
再帰反射器は、それらが非無限小視野を有するという点で、平面ミラー反射器とは異なる。再帰反射器に対するその視野内の電磁波面入射は、波の源からの方向と平行であるが、反対の方向に沿って逆に反射される。たとえ再帰反射器に対するこのような波の入射角がゼロと異なる値を有するとしても、反射は起こる。これは、ミラーが波面に対して正確に垂直な場合だけ、ゼロ入射角を有する入射パスに沿って逆に反射する平面ミラー反射器とは異なっている。
集束/発散を
システムの視野の拡大を
ビームのレイリー長の変更を
ビームの特別な動作距離への適応を行ってもよい。
(i)系の偏光を限定することができる。
(i)それらに入射されるビームを、入射ビームのパスと基本的に一致したパスに沿って逆に反射する第1及び第2の再帰反射器と、
(ii)第1及び第2の再帰反射器間に配置された利得媒体と、
(iii)それに当たったビームの一部を共振器の外に向けるように配置された出力カプラと、
(iv)共振器の外に向けられたビームのその一部がそれに当たるように、出力カプラに対して配置されたビーム吸収部品と、
(v)再帰反射器間に配置され、少なくとも1つの非平面光学面を有する少なくとも1つの光学部品とを含み、利得媒体は、基本的には、少なくとも1つの非平面光学面を有する少なくとも1つの光学部品を組み込んだ光学系の瞳に配置されている。
(i)それに入射されるビームを、入射ビームのパスと基本的に一致したパスに沿って逆に反射する第1の再帰反射器と、
(ii)それに入射されるビームを、入射ビームのパスと基本的に一致したパスに沿って逆に反射する第2の再帰反射器と、
(iii)第1及び第2の再帰反射器間に配置された利得媒体と、
(iv)第1及び第2の再帰反射器間であって、上記利得媒体がその結像面に配置されるような位置に配置されたレンズ系とを含んでもよい。
Claims (21)
- 入射されるビームを、該入射ビームのパスと基本的に一致したパスに沿って逆に反射する第1及び第2の再帰反射器と、
上記第1及び第2の再帰反射器間に配置された利得媒体と、
それに当たった上記ビームの一部を上記共振器の外に向けるように配置された出力カプラと、
上記共振器の外に向けられた上記ビームの一部が当たるように、上記出力カプラに対して配置されたビーム吸収部品と、
上記再帰反射器間に配置され、少なくとも1つの非平面光学面を有する少なくとも1つの光学部品とを含み、
上記利得媒体は、基本的には、上記少なくとも1つの非平面光学面を有する少なくとも1つの光学部品を組み込んだ光学系の瞳に配置されている分布共振器レーザシステム。 - 上記ビーム吸収部品は、光起電電力変換器又は熱伝導部品のうちのどちらかである請求項1記載の分布共振器レーザシステム。
- 上記少なくとも1つの光学部品は、上記瞳を複数の異なる角度で通過した光が上記利得媒体に向かうように入射/射出瞳を定めるために配置された少なくとも1つのレンズである請求項1及び2のいずれか記載の分布共振器レーザシステム。
- 上記少なくとも1つの光学部品は、上記瞳を複数の異なる角度で通過した光が上記利得媒体に向かうように入射/射出瞳を定めるために配置されたミラーである請求項1及び2のいずれか記載の分布共振器レーザシステム。
- 上記ビームを屈折するように配置された第2のレンズを更に含み、それによって、該レンズの中心と上記利得媒体を結ぶ軸に平行な伝搬の領域を形成する請求項1乃至4のいずれか1項記載の分布共振器レーザシステム。
- 上記少なくとも1つの非平面光学面を有する少なくとも1つの光学部品は、結像面を有する光学系の一部である請求項1乃至5のいずれか1項記載の分布共振器レーザシステム。
- 上記利得媒体は、上記入射/射出瞳の結像された瞳に位置する請求項1乃至6のいずれか1項記載の分布共振器レーザシステム。
- 上記第1及び第2の再帰反射器の少なくとも1つは、反転点を有しない請求項1乃至7のいずれか1項記載の分布共振器レーザシステム。
- 上記共振器は、コリニヤビームモードを維持する請求項1乃至8のいずれか1項記載の分布共振器レーザシステム。
- 上記光学系は、少なくとも1つのテレセントリック領域を有する請求項1乃至9のいずれか1項記載の分布共振器レーザシステム。
- 上記光学系は、少なくとも1つの結像面を有する請求項1乃至10のいずれか1項記載の分布共振器レーザシステム。
- 上記瞳に位置するセンサを更に含む請求項1乃至11のいずれか1項記載の分布共振器レーザシステム。
- 上記出力カプラは、上記再帰反射器のうちの1つの一部である請求項1乃至12のいずれか1項記載の分布共振器レーザシステム。
- 上記出力カプラは、上記再帰反射器から独立している請求項1乃至12のいずれか1項記載の分布共振器レーザシステム。
- 入射されるビームを、該入射ビームのパスと基本的に一致したパスに沿って逆に反射する第1の再帰反射器と、
入射されるビームを、該入射ビームのパスと基本的に一致したパスに沿って逆に反射する第2の再帰反射器と、
上記第1及び第2の再帰反射器間に配置された利得媒体と、
上記第1及び第2の再帰反射器間であって、上記利得媒体が瞳に配置されるような位置に配置されたレンズ系とを含む分布共振器レーザシステム。 - 上記レンズ系は、上記利得媒体のそれの反対側のその端部に配置された外部瞳面を更に有し、あらゆる方向から該外部瞳を通過した光は、上記内部瞳面で該利得媒体の中心に向けられる請求項15記載の分布共振器レーザシステム。
- 上記光学系は、少なくとも1つのテレセントリック領域を有する請求項15及び16のいずれか記載の分布共振器レーザシステム。
- 上記光学系は、少なくとも1つの結像面を有する請求項15乃至17のいずれか1項記載の分布共振器レーザシステム。
- 上記結像面の電子画像を形成する光センサを更に含む請求項18記載の分布共振器レーザシステム。
- 上記テレセントリック領域に位置し、光成分を操作する偏光子、逓倍光学部品又は1つ以上の波長板のうちの少なくとも1つを更に含む請求項17記載の分布共振器レーザシステム。
- 上記瞳に位置するセンサを更に含む請求項15乃至20のいずれか1項記載の分布共振器レーザシステム。
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EP (2) | EP4160940A1 (ja) |
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CN (2) | CN103875138B (ja) |
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US9176280B2 (en) * | 2013-10-21 | 2015-11-03 | Oracle International Corporation | Optical reflector based on a directional coupler and a coupled optical loop |
EP3254345A4 (en) | 2015-02-02 | 2018-10-10 | Wi-Charge Ltd. | Distributed coupled resonator laser |
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US9905988B2 (en) | 2018-02-27 |
JP2024079689A (ja) | 2024-06-11 |
EP4160940A1 (en) | 2023-04-05 |
US20170133816A1 (en) | 2017-05-11 |
JP2017208557A (ja) | 2017-11-24 |
EP2719097B3 (en) | 2023-06-07 |
EP2719097B1 (en) | 2022-08-24 |
EP2719097A1 (en) | 2014-04-16 |
JP2014522582A (ja) | 2014-09-04 |
EP2719097A4 (en) | 2015-05-27 |
US9553418B2 (en) | 2017-01-24 |
CN107017550B (zh) | 2020-01-10 |
US20160087391A1 (en) | 2016-03-24 |
US9225140B2 (en) | 2015-12-29 |
WO2012172541A1 (en) | 2012-12-20 |
CN103875138B (zh) | 2017-01-18 |
JP2022191290A (ja) | 2022-12-27 |
CN103875138A (zh) | 2014-06-18 |
US20140126603A1 (en) | 2014-05-08 |
JP6169570B2 (ja) | 2017-07-26 |
CN107017550A (zh) | 2017-08-04 |
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