KR20160126606A - 레이저 증폭장치 - Google Patents
레이저 증폭장치 Download PDFInfo
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- KR20160126606A KR20160126606A KR1020150057885A KR20150057885A KR20160126606A KR 20160126606 A KR20160126606 A KR 20160126606A KR 1020150057885 A KR1020150057885 A KR 1020150057885A KR 20150057885 A KR20150057885 A KR 20150057885A KR 20160126606 A KR20160126606 A KR 20160126606A
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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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
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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
- H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
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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
- H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation thereof
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
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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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
- H01S3/2316—Cascaded amplifiers
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- H—ELECTRICITY
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
- H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
- H01S3/2333—Double-pass amplifiers
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- H—ELECTRICITY
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
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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
- 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
- H01S3/06—Construction or shape of active medium
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- H—ELECTRICITY
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- 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
- 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
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/061—Crystal lasers or glass lasers with elliptical or circular cross-section and elongated shape, e.g. rod
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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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10061—Polarization control
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
Abstract
Description
도 1은 종래의 레이저 증폭장치의 일 예를 도시한 도면;
도 2는 종래의 레이저 증폭장치의 다른 예를 도시한 도면;
도 3은 종래의 레이저 증폭장치의 또 다른 예를 도시한 도면;
도 4는 본 발명의 일 실시예에 따른 레이저 증폭장치를 도시한 도면;
도 5는 본 발명의 다른 실시예에 따른 레이저 증폭장치를 도시한 도면;
도 6은 도 1의 레이저 증폭장치에 의해 증폭되는 레이저의 거리에 따른 빔 반경의 변화를 도시한 그래프;
도 7은 도 4에 따른 레이저 증폭장치에 의해 증폭되는 레이저의 거리에 따른 빔 반경의 변화를 도시한 그래프;
도 8은 증폭매질의 간격이 10cm일 때 종래와 본 발명의 일 실시예에 따른 레이저 증폭장치에 의해 증폭된 레이저의 초점이 맺히는 거리를 비교한 그래프;
도 9는 증폭매질의 간격이 30cm일 때 종래와 본 발명의 일 실시예에 따른 레이저 증폭장치에 의해 증폭된 레이저의 초점이 맺히는 거리를 비교한 그래프;
도 10은 종래의 레이저 증폭장치와 본 발명에 따른 레이저 증폭장치에서 증폭되어 출력되는 레이저 빔의 형상과 비율 및 역류하는 빔의 형상과 비율을 시뮬레이션한 도면; 그리고,
도 11은 종래의 레이저 증폭장치와 본 실시예에 따른 레이저 증폭장치의 동작조건의 변화에 따른 손실율을 나타낸 그래프 이다.
114: 제2증폭매질 130: 제1반사미러
132: 반사면 140: 편광변환판
150: 쿼츠 로테이터 160: 선보상 렌즈부
170: 제2반사미러
L: 종래의 레이저 증폭장치에 의해 증폭된 레이저 빔
L': 본 실시예의 레이저 증폭장치에 의 해 증폭된 레이저 빔
Claims (8)
- 투과되는 레이저를 증폭시키는 제1증폭매질;
상기 제1증폭매질과 이격되어 배치되어 투과되는 레이저를 증폭시키는 제2증폭매질;
상기 제1증폭매질의 전측에 구비되며, 상기 제1증폭매질 및 제2증폭매질에서 발생되는 열렌즈 효과를 상쇄하고자 상기 제1증폭매질로 조사되는 레이저를 선보상하는 선보상 렌즈부;
상기 제1증폭매질의 전단에 조사되는 레이저에 대해서 경사지게 구비되며, 조사되는 빛 중 특정방향으로 진동하는 레이저는 투과시키고, 다른 방향으로 진동하는 레이저는 반사시키는 제1편광 투과미러;
상기 제2증폭매질의 후측에 구비되어 투과되는 레이저의 진동방향을 변화시키는 편광변환판;
상기 편광변환판의 후측에 구비되며, 레이저를 반사시키는 제1반사미러;
를 포함하는 레이저 증폭장치. - 제1항에 있어서,
상기 제1반사미러는,
반사되는 레이저가 조사된 경로와 동일한 경로로 반사되도록 볼록한 반사면을 형성하는 레이저 증폭장치. - 제2항에 있어서,
상기 제1반사미러는,
상기 반사면에 조사되는 레이저의 단면의 임의의 지점과 상기 반사면이 수직을 이루도록 볼록한 반사면을 형성하는 레이저 증폭장치. - 제1항에 있어서,
상기 선보상 렌즈부는,
상기 제1증폭매질과 제2증폭매질을 거쳐 상기 반사미러에 닿을 때까지 수축되는 레이저 빔 직경에 해당하는 만큼,
상기 레이저가 상기 제1증폭매질에 닿을 때 레이저의 빔 직경이 넓어지도록 레이저를 확산시키는 레이저 증폭장치. - 제4항에 있어서,
상기 선보상 렌즈부는, 볼록렌즈와 오목렌즈의 조합으로 구비되는 레이저 증폭장치. - 제4항에 있어서,
상기 선보상 렌즈부는, 볼록렌즈의 조합으로 구비되는 레이저 증폭장치. - 제1항에 있어서,
상기 제1증폭매질과 제2증폭매질의 사이에 구비되며, 양 면에 조사되는 레이저의 왜곡이 서로 상쇄되도록 하는 쿼츠 로테이터를 더 포함하는 레이저 증폭장치. - 제1항에 있어서,
상기 제1편광투과미러에서 반사된 레이저를 재 반사하는 제2반사미러를 더 포함하는 레이저 증폭장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150057885A KR101750821B1 (ko) | 2015-04-24 | 2015-04-24 | 레이저 증폭장치 |
| PCT/KR2015/004143 WO2016171301A1 (ko) | 2015-04-24 | 2015-04-27 | 레이저 증폭장치 |
| US15/568,792 US20180175580A1 (en) | 2015-04-24 | 2015-04-27 | Laser amplification device |
| CN201580079175.9A CN107851956A (zh) | 2015-04-24 | 2015-04-27 | 激光放大器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150057885A KR101750821B1 (ko) | 2015-04-24 | 2015-04-24 | 레이저 증폭장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160126606A true KR20160126606A (ko) | 2016-11-02 |
| KR101750821B1 KR101750821B1 (ko) | 2017-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150057885A Active KR101750821B1 (ko) | 2015-04-24 | 2015-04-24 | 레이저 증폭장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180175580A1 (ko) |
| KR (1) | KR101750821B1 (ko) |
| CN (1) | CN107851956A (ko) |
| WO (1) | WO2016171301A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018194301A1 (ko) * | 2017-04-19 | 2018-10-25 | (주)이오테크닉스 | 레이저 증폭 장치 |
| KR20200011271A (ko) * | 2018-07-24 | 2020-02-03 | 학교법인 한동대학교 | 자연 증폭 방출 억제용 포화 흡수체를 가지는 고체 레이저 장치 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LT3309913T (lt) | 2016-10-17 | 2025-01-27 | Universität Stuttgart | Spinduliuotės lauko stiprintuvo sistema |
| EP3309914B1 (en) * | 2016-10-17 | 2024-12-11 | Universität Stuttgart | Radiation field amplifier system |
| KR102749524B1 (ko) | 2022-10-13 | 2025-01-03 | 레이저닉스 주식회사 | 레이저 증폭매질 냉각장치 |
| CN116449578A (zh) * | 2023-04-17 | 2023-07-18 | 清华大学 | 低阶像差补偿结构、双程激活镜放大器及激光器 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100269028B1 (ko) | 1998-04-21 | 2000-10-16 | 정명세 | 반일체 고리형 공진기를 이용한 단방향 발진 레이저 장치 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8912765D0 (en) * | 1989-06-02 | 1989-07-19 | Lumonics Ltd | A laser |
| JP3302650B2 (ja) * | 1993-07-28 | 2002-07-15 | 三菱電機株式会社 | 往復型光増幅器 |
| US5535049A (en) * | 1994-05-11 | 1996-07-09 | The Regents Of The University Of California | Phase and birefringence aberration correction |
| JPH10270781A (ja) * | 1997-03-27 | 1998-10-09 | Sony Corp | レーザ光発生方法及びその装置 |
| JP2001168429A (ja) * | 1999-12-03 | 2001-06-22 | Mitsubishi Electric Corp | 固体レーザ発振器 |
| JP2003008121A (ja) | 2001-06-21 | 2003-01-10 | Mitsubishi Electric Corp | 固体レーザ発振器 |
| DE10328306A1 (de) * | 2003-06-23 | 2005-01-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Anordnung zur Kompensation der Spannungsdoppelbrechung sowie Aufbau mit solchen Anordnungen |
| FR2899390B1 (fr) * | 2006-03-31 | 2008-05-30 | Thales Sa | Dispositif de compensation de la lentille thermique dans une cavite regenerative femtoseconde haute cadence |
| US7796671B2 (en) * | 2008-03-31 | 2010-09-14 | Electro Scientific Industries, Inc. | Multi-pass optical power amplifier |
| JP5733710B2 (ja) * | 2008-05-29 | 2015-06-10 | 国立大学法人 千葉大学 | 光増幅器及びそれを用いた光増幅システム |
| US10328306B2 (en) * | 2016-11-03 | 2019-06-25 | Ronald J. Meetin | Information-presentation structure with impact-sensitive color change and overlying protection or/and surface color control |
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2015
- 2015-04-24 KR KR1020150057885A patent/KR101750821B1/ko active Active
- 2015-04-27 WO PCT/KR2015/004143 patent/WO2016171301A1/ko not_active Ceased
- 2015-04-27 US US15/568,792 patent/US20180175580A1/en not_active Abandoned
- 2015-04-27 CN CN201580079175.9A patent/CN107851956A/zh active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100269028B1 (ko) | 1998-04-21 | 2000-10-16 | 정명세 | 반일체 고리형 공진기를 이용한 단방향 발진 레이저 장치 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018194301A1 (ko) * | 2017-04-19 | 2018-10-25 | (주)이오테크닉스 | 레이저 증폭 장치 |
| KR20200011271A (ko) * | 2018-07-24 | 2020-02-03 | 학교법인 한동대학교 | 자연 증폭 방출 억제용 포화 흡수체를 가지는 고체 레이저 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107851956A (zh) | 2018-03-27 |
| US20180175580A1 (en) | 2018-06-21 |
| KR101750821B1 (ko) | 2017-07-11 |
| WO2016171301A1 (ko) | 2016-10-27 |
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