JP2013502716A - 角度選択的なフィードバックを有する縦キャビティ面発光レーザー装置 - Google Patents
角度選択的なフィードバックを有する縦キャビティ面発光レーザー装置 Download PDFInfo
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- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
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- H01S2301/00—Functional characteristics
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- 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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- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
- H01S5/18394—Apertures, e.g. defined by the shape of the upper electrode
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- H—ELECTRICITY
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/185—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
- H01S5/187—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
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Abstract
Description
102 基板
201 レンズ
202 非球面レンズ
203 球面ミラー
204 球面レンズ
301 平坦なミラー
302 球面ミラー
303 反射コーティング
304 球面ミラー
305 グレーティング
306 マイクロプリズム・アレイ
307―308 自由な形状の表面を備える光学要素
401―405 距離
501―503 環形の輝度分布/ビームプロファイル
504 輝度分布/ビームプロファイル
601 光軸
Claims (15)
- レーザー装置であって、
光軸を有する少なくとも1つの広領域縦キャビティ表面レーザーと、
前記レーザーから発されるレーザー放射のための角度選択的なフィードバックを供給する少なくとも1つの光学フィードバック要素と、
を有するレーザー装置であって、
前記角度選択的なフィードバックは、前記光軸上で発されるレーザー放射に対するよりも、前記光軸に対して0よりも大きい角度θにおいて発されるレーザー放射の少なくとも1つの部分に対して高い、
レーザー装置。 - 前記角度選択的なフィードバックは、前記光軸上に発されるレーザー放射に対するよりも、前記光軸に関して点対称であるレーザー放射の部分に対して高い、請求項1に記載のレーザー装置。
- 前記フィードバック要素は、空間的に変調された反射率を有する湾曲ミラーを有する、請求項1に記載のレーザー装置。
- 前記フィードバック要素は、少なくとも1つのレンズ及び平坦なミラーの組み合わせを有する、請求項1に記載のレーザー装置。
- 前記平坦なミラーが、空間的に変調された反射率を有する、請求項4に記載のレーザー装置。
- 前記フィードバック要素がグレーティングを有する、請求項1に記載のレーザー装置。
- 前記フィードバック要素がプリズムのアレイを有する、請求項1に記載のレーザー装置。
- 前記フィードバック要素が、前記角度選択的なフィードバックを供給するように成形される少なくとも1つの自由な形状の表面を有する光学要素を有する、請求項1に記載のレーザー装置。
- 前記フィードバック要素、又は前記フィードバック要素の構成要素が、前記レーザーに結合されている又は前記レーザーの基板にモノリシック的に組み込まれている、請求項1に記載のレーザー装置。
- 前記フィードバック要素が前記レーザーから離れて配される、請求項1に記載のレーザー装置。
- 前記レーザーの外結合ミラーの反射率と高いフィードバックを供給する前記フィードバック要素の表面部分の反射率との積が、98%よりも大きいように、前記フィードバック要素が設計されている、請求項1に記載のレーザー装置。
- 同一のフィードバック要素を備える前記レーザーの幾つかは、アレイの形態において、配され、前記フィードバック要素を通過した後の前記レーザーのレーザー放射は、作用平面において重ね合わされるように共通のレンズにより収集される、請求項1に記載のレーザー装置。
- 更なる光学部品が、前記フィードバック要素の後のビームの方向に配されており、前記更なる光学部品は、前記フィードバック要素を通過した後の前記レーザー放射の輝度分布を、前記異なる幾何学的形状に、特にガウス様の形状に変換するように設計されている、請求項1に記載のレーザー装置。
- 広領域縦キャビティ面発光レーザーのレーザー放出を所望の角度分布に安定化する方法であって、
この安定化は、前記レーザーから発されるレーザー放射に関する角度選択的な光学フィードバックにより実施され、
前記角度選択的なフィードバックは、前記レーザーの光軸に対して0よりも大きい角度θにおいて発されるレーザー放射の少なくとも1つの部分に関して、前記光学軸上に発されるレーザー放射よりも高い、
方法。 - 前記角度選択的なフィードバックは、レーザー放射の少なくとも1つの環形の部分に関して、前記光軸上に発されるレーザー放射に関してよりも高く選択され、結果として前記非近接場の環形の輝度分布をもたらす、請求項14に記載の方法。
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EP09168319 | 2009-08-20 | ||
EP09168319.3 | 2009-08-20 | ||
PCT/IB2010/053686 WO2011021139A2 (en) | 2009-08-20 | 2010-08-16 | A vertical cavity surface emitting laser device with angular-selective feedback |
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JP2013502716A true JP2013502716A (ja) | 2013-01-24 |
JP5919191B2 JP5919191B2 (ja) | 2016-05-18 |
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JP2012525238A Expired - Fee Related JP5919191B2 (ja) | 2009-08-20 | 2010-08-16 | 角度選択的なフィードバックを有する縦キャビティ面発光レーザー装置 |
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US (1) | US9153941B2 (ja) |
EP (1) | EP2467910B1 (ja) |
JP (1) | JP5919191B2 (ja) |
KR (1) | KR101731249B1 (ja) |
CN (1) | CN102549858B (ja) |
WO (1) | WO2011021139A2 (ja) |
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WO2011021139A2 (en) | 2011-02-24 |
WO2011021139A3 (en) | 2011-05-05 |
KR20120053044A (ko) | 2012-05-24 |
US20120147912A1 (en) | 2012-06-14 |
CN102549858A (zh) | 2012-07-04 |
KR101731249B1 (ko) | 2017-04-28 |
EP2467910B1 (en) | 2019-02-06 |
JP5919191B2 (ja) | 2016-05-18 |
CN102549858B (zh) | 2015-06-17 |
US9153941B2 (en) | 2015-10-06 |
EP2467910A2 (en) | 2012-06-27 |
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