JP2020202281A - 光源装置 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4056—Edge-emitting structures emitting light in more than one direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4062—Edge-emitting structures with an external cavity or using internal filters, e.g. Talbot filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
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- Physics & Mathematics (AREA)
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- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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- Semiconductor Lasers (AREA)
Abstract
Description
<光源装置>
図6は、本開示の実施形態における光源装置100の構成例を示す図である。図6に示された光源装置100は、光ファイバ10と、ビーム光源20と、光結合器30とを備えている。ビーム光源20は、ピーク波長が異なる複数のレーザビームBをそれぞれ出射する複数の外部共振器型レーザモジュール24と、複数のレーザビームBを同軸に重畳して波長結合ビームを生成するビームコンバイナ26とを備える。以下、ビーム光源20の構成例を詳細に説明し、光結合器30の構成例は後述する。
次に、図17を参照して、本開示によるダイレクトダイオードレーザ(DDL)装置の実施形態を説明する。図17は、本実施形態におけるDDL装置1000の構成例を示す図である。
Claims (10)
- ピーク波長が異なる複数のレーザビームをそれぞれ出射する複数の外部共振器型レーザモジュールであって、少なくとも第1レーザモジュールおよび第2レーザモジュールを含む、複数の外部共振器型レーザモジュールと、
前記複数のレーザビームを同軸に重畳して波長結合ビームを生成するビームコンバイナと、
を備え、
前記複数の外部共振器型レーザモジュールのそれぞれは、リトロー型配置のコリメートレーザ光源および特定の波長の光を選択する回折格子を有しており、
前記複数の外部共振器型レーザモジュールは、前記複数のレーザビームが前記ビームコンバイナの同一領域に異なる角度で入射するように配列されており、
前記第1レーザモジュールから前記ビームコンバイナまでの第1の距離は、前記第2レーザモジュールから前記ビームコンバイナまでの第2の距離とは異なる、光源装置。 - 前記複数の外部共振器型レーザモジュールは、第3レーザモジュールを含み、
前記第3レーザモジュールから前記ビームコンバイナまでの第3の距離は、前記第2の距離とは異なる、請求項1に記載の光源装置。 - 前記第1、第2、および第3レーザモジュールは、
前記第2レーザモジュールから出射されたレーザビームが、前記第1レーザモジュールと前記第3レーザモジュールとの間の空間を通過するように配置されている、請求項2に記載の光源装置。 - 前記第1レーザモジュールと前記第3レーザモジュールとの最小間隔は、前記第2レーザモジュールの出射側端部における幅よりも狭い、請求項3に記載の光源装置。
- 前記各ピーク波長は、350nm以上550nm以下の範囲にある、請求項1から4のいずれかに記載の光源装置。
- 前記コリメートレーザ光源は、
封止された半導体レーザパッケージ内に収容されたレーザダイオードと、
前記レーザダイオードから出射されたレーザ光をコリメートするレンズと、
を有している、請求項1から5のいずれかに記載の光源装置。 - 各ピーク波長は、400nm以上470nm以下の範囲にある、請求項6に記載の光源装置。
- 前記複数の外部共振器型レーザモジュールの個数は9個以上である、請求項1から7のいずれかに記載の光源装置。
- 前記複数のレーザビームが前記ビームコンバイナの前記同一領域に入射する前記角度の間隔は、1度以下である、請求項1から8のいずれかに記載の光源装置。
- 前記複数のレーザビームの前記ピーク波長の間隔は、5nm以下である、請求項9に記載の光源装置。
Priority Applications (4)
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JP2019107918A JP7280498B2 (ja) | 2019-06-10 | 2019-06-10 | 光源装置 |
US16/895,565 US11394177B2 (en) | 2019-06-10 | 2020-06-08 | Light source device |
EP20178670.4A EP3754800B1 (en) | 2019-06-10 | 2020-06-08 | Light source device |
CN202010521727.XA CN112072464B (zh) | 2019-06-10 | 2020-06-10 | 光源装置 |
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JP2020202281A true JP2020202281A (ja) | 2020-12-17 |
JP2020202281A5 JP2020202281A5 (ja) | 2022-05-19 |
JP7280498B2 JP7280498B2 (ja) | 2023-05-24 |
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US (1) | US11394177B2 (ja) |
EP (1) | EP3754800B1 (ja) |
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CN208753726U (zh) * | 2018-09-13 | 2019-04-16 | 上海高意激光技术有限公司 | 非稳腔光谱合束装置 |
JP2021118271A (ja) * | 2020-01-27 | 2021-08-10 | パナソニックIpマネジメント株式会社 | レーザ発振器及びレーザ加工方法 |
CN114994934B (zh) * | 2022-07-19 | 2022-10-21 | 中国科学院长春光学精密机械与物理研究所 | 光谱合束装置及方法 |
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- 2019-06-10 JP JP2019107918A patent/JP7280498B2/ja active Active
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- 2020-06-08 US US16/895,565 patent/US11394177B2/en active Active
- 2020-06-08 EP EP20178670.4A patent/EP3754800B1/en active Active
- 2020-06-10 CN CN202010521727.XA patent/CN112072464B/zh active Active
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US20200388990A1 (en) | 2020-12-10 |
US11394177B2 (en) | 2022-07-19 |
EP3754800A1 (en) | 2020-12-23 |
EP3754800B1 (en) | 2023-02-22 |
CN112072464B (zh) | 2024-01-05 |
CN112072464A (zh) | 2020-12-11 |
JP7280498B2 (ja) | 2023-05-24 |
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