BR9801659A - Filtro espacial para feixe de laser de alta energia. - Google Patents
Filtro espacial para feixe de laser de alta energia.Info
- Publication number
- BR9801659A BR9801659A BR9801659-8A BR9801659A BR9801659A BR 9801659 A BR9801659 A BR 9801659A BR 9801659 A BR9801659 A BR 9801659A BR 9801659 A BR9801659 A BR 9801659A
- Authority
- BR
- Brazil
- Prior art keywords
- laser beam
- high energy
- spatial filter
- energy laser
- filter
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 3
- 230000003287 optical effect Effects 0.000 abstract 3
- 239000000835 fiber Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- 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
- H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
- H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
-
- 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
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02133—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
-
- 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
- H01S3/005—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
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam 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
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/509—Wavelength converting amplifier, e.g. signal gating with a second beam using gain saturation
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02133—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
- G02B6/02138—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference based on illuminating a phase mask
-
- 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
- H01S3/005—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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Laser Beam Processing (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Patente de Invenção para <B>"FILTRO ESPACIAL PARA FEIXE DE LASER DE ALTA ENERGIA"<D>. A invenção compreende um filtro espacial e um processo de filtrar espacialmente um feixe de laser, particularmente um feixe de laser de energia alta. O filtro espacial inventivo e processo de uso, é especialmente adequado para uso em um sistema óptico para inscrição de grades de índice em guias de ondas ópticas. A invenção proporciona um processo de inscrição de grades em fibra de guia de onda óptica em performance de grade aperfeiçoada.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4785997P | 1997-05-29 | 1997-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9801659A true BR9801659A (pt) | 1999-09-21 |
Family
ID=21951409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9801659-8A BR9801659A (pt) | 1997-05-29 | 1998-05-18 | Filtro espacial para feixe de laser de alta energia. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6178045B1 (pt) |
| EP (1) | EP0881515B1 (pt) |
| JP (1) | JPH1152299A (pt) |
| KR (1) | KR19980087217A (pt) |
| CN (1) | CN1145822C (pt) |
| AU (1) | AU742070B2 (pt) |
| BR (1) | BR9801659A (pt) |
| CA (1) | CA2237653A1 (pt) |
| DE (1) | DE69822362T2 (pt) |
| ID (1) | ID20355A (pt) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1123520A4 (en) * | 1998-10-30 | 2006-04-12 | Corning Inc | FREQUENCY ACCORDING OF PHOTO-INDUCED DIFFRACTION ARRAYS |
| US6553163B2 (en) * | 2000-03-30 | 2003-04-22 | Corning, Incorporated | Method and apparatus for writing a Bragg grating in a waveguide |
| US6731839B2 (en) | 2000-07-31 | 2004-05-04 | Corning Incorporated | Bulk internal Bragg gratings and optical devices |
| US6510264B2 (en) | 2000-07-31 | 2003-01-21 | Corning Incorporated | Bulk internal bragg gratings and optical devices |
| DE10062841B4 (de) * | 2000-12-15 | 2009-04-16 | Hilti Aktiengesellschaft | Lichtstrahlenempfänger für Laserpositioniergeräte |
| US6898350B2 (en) * | 2001-01-18 | 2005-05-24 | General Dynamics Advanced Information Systems, Inc. | Interferometric focusing technique for forming taps in fibers |
| CA2354321A1 (en) * | 2001-07-26 | 2003-01-26 | Viamode Photonics Inc. | Apparatus for writing features in or on photosensitive medium |
| US7088758B2 (en) * | 2001-07-27 | 2006-08-08 | Cymer, Inc. | Relax gas discharge laser lithography light source |
| US20030219053A1 (en) * | 2002-05-21 | 2003-11-27 | The Board Of Trustees Of The University Of Illinois | Index guided laser structure |
| GB0222342D0 (en) * | 2002-09-26 | 2002-11-06 | British Nuclear Fuels Plc | Surface treatment of concrete |
| HRP20030885A2 (en) * | 2003-11-03 | 2005-08-31 | Pliva-Istra�iva�ki institut d.o.o. | USE OF 2-THIA-DIBENZO[e,h]AZULENES FOR THE MANUFACTURE OF PHARMACEUTICAL FORMULATIONS FOR THE TREATMENT AND PREVENTION OF CENTRAL NERVOUS SYYTEM DISEASES AND DISORDERS |
| CN100410689C (zh) * | 2004-04-05 | 2008-08-13 | 微激光系统公司 | 用于高功率激光束的孔径光阑组件 |
| US7423818B2 (en) * | 2005-07-15 | 2008-09-09 | Electro Scientific Industries, Inc. | Method of suppressing distortion of a working laser beam of a laser link processing system |
| US7394594B2 (en) * | 2006-05-08 | 2008-07-01 | Bright View Technologies, Inc. | Methods for processing a pulsed laser beam to create apertures through microlens arrays |
| JP2009117881A (ja) * | 2009-03-04 | 2009-05-28 | Ihi Corp | アパーチャ |
| CN102354055B (zh) * | 2011-11-08 | 2013-02-27 | 上海激光等离子体研究所 | 用于高功率激光装置的光路准直集成装置及准直方法 |
| CN103176281B (zh) * | 2011-12-22 | 2015-04-15 | 福州高意通讯有限公司 | 一种高功率激光空间滤波器的制作方法 |
| JP2014225584A (ja) * | 2013-05-16 | 2014-12-04 | 株式会社フジクラ | ファイバレーザ装置 |
| DE102017210350B3 (de) * | 2017-06-21 | 2018-03-29 | Trumpf Laser Gmbh | Vorrichtung zur Auskopplung von Strahlung aus einer Lichtleitfaser, Lichtleitkabel und Bearbeitungskopf damit |
| CN114152932A (zh) * | 2021-11-18 | 2022-03-08 | 苏州迷塔科技有限公司 | 帮助opa相控阵激光雷达消除旁瓣信号干扰的系统及方法 |
| CN114839790B (zh) * | 2022-05-23 | 2023-06-16 | 上海交通大学 | 基于类布朗运动模型的激光消相干方法 |
| CN120178399A (zh) * | 2025-05-22 | 2025-06-20 | 中国科学院西安光学精密机械研究所 | 一种用于锥形光束整形的光吸收体及光吸收方法 |
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| US3073210A (en) * | 1959-01-19 | 1963-01-15 | Joseph W Packard | Prismatic reflecting device |
| US4093339A (en) * | 1977-05-26 | 1978-06-06 | Bell Telephone Laboratories, Incorporated | Method and apparatus for fabricating optical waveguide grating resonators |
| JPH0658482B2 (ja) * | 1980-07-17 | 1994-08-03 | キヤノン株式会社 | 焦点調節状態の検出装置 |
| US4381137A (en) * | 1981-03-05 | 1983-04-26 | Hydroacoustics Inc. | Optical fiber mode separation systems |
| US4530600A (en) | 1982-02-22 | 1985-07-23 | Northrop Corporation | Variable attenuator for optical transceiver |
| US4720637A (en) * | 1986-06-19 | 1988-01-19 | Polaroid Corporation | Electro-optical imaging system and lens therefor |
| US5090798A (en) | 1987-04-27 | 1992-02-25 | Canon Kabushiki Kaisha | Applied intensity distribution controlling apparatus |
| US4778263A (en) | 1987-05-29 | 1988-10-18 | The United States Of America As Respresented By The Department Of Energy | Variable laser attenuator |
| US5090795A (en) * | 1987-10-22 | 1992-02-25 | Hughes Aircraft Company | Integrated adaptive optics apparatus |
| US4947413A (en) | 1988-07-26 | 1990-08-07 | At&T Bell Laboratories | Resolution doubling lithography technique |
| US5059013A (en) | 1988-08-29 | 1991-10-22 | Kantilal Jain | Illumination system to produce self-luminous light beam of selected cross-section, uniform intensity and selected numerical aperture |
| US5048938A (en) | 1990-06-08 | 1991-09-17 | United Technologies Corporation | Monolithic laser spatial filter |
| US5204773A (en) | 1990-10-01 | 1993-04-20 | General Electric Company | Ultraviolet light filter and filter system |
| US5104209A (en) | 1991-02-19 | 1992-04-14 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications | Method of creating an index grating in an optical fiber and a mode converter using the index grating |
| US5331466A (en) * | 1991-04-23 | 1994-07-19 | Lions Eye Institute Of Western Australia Inc. | Method and apparatus for homogenizing a collimated light beam |
| US5272501A (en) * | 1991-08-28 | 1993-12-21 | Nikon Corporation | Projection exposure apparatus |
| CA2058405A1 (en) | 1991-12-23 | 1993-06-24 | Pierre Galarneau | Holographic beam sampler |
| JPH05224158A (ja) * | 1992-02-14 | 1993-09-03 | Matsushita Electric Ind Co Ltd | 光フィルター及びその光フィルターを用いた光増幅装置 |
| US5408553A (en) * | 1992-08-26 | 1995-04-18 | The United States Of America As Represented By The United States Department Of Energy | Optical power splitter for splitting high power light |
| JPH06140704A (ja) | 1992-10-26 | 1994-05-20 | Mitsubishi Electric Corp | レーザ光照射装置 |
| US5309260A (en) | 1992-12-23 | 1994-05-03 | At&T Bell Laboratories | Method for forming distributed bragg reflectors in optical media |
| JP2859095B2 (ja) | 1993-07-30 | 1999-02-17 | 信越化学工業株式会社 | エキシマレーザリソグラフィー用合成石英マスク基板 |
| CA2173141A1 (en) | 1993-09-30 | 1995-04-06 | William N. Partlo | Full field mask illumination enhancement methods and apparatus |
| US5616159A (en) | 1995-04-14 | 1997-04-01 | Corning Incorporated | Method of forming high purity fused silica having high resistance to optical damage |
| EP0830586A1 (en) * | 1995-05-26 | 1998-03-25 | Optical Analytic Inc. | Wide angle scattering detector |
| US5706139A (en) * | 1995-10-17 | 1998-01-06 | Kelly; Shawn L. | High fidelity optical system for electronic imaging |
-
1998
- 1998-04-29 DE DE69822362T patent/DE69822362T2/de not_active Expired - Lifetime
- 1998-04-29 EP EP98107794A patent/EP0881515B1/en not_active Expired - Lifetime
- 1998-05-14 CA CA002237653A patent/CA2237653A1/en not_active Abandoned
- 1998-05-18 BR BR9801659-8A patent/BR9801659A/pt not_active IP Right Cessation
- 1998-05-19 AU AU67068/98A patent/AU742070B2/en not_active Ceased
- 1998-05-19 US US09/081,912 patent/US6178045B1/en not_active Expired - Lifetime
- 1998-05-19 ID IDP980745A patent/ID20355A/id unknown
- 1998-05-20 CN CNB981092764A patent/CN1145822C/zh not_active Expired - Fee Related
- 1998-05-20 KR KR1019980018127A patent/KR19980087217A/ko not_active Withdrawn
- 1998-05-28 JP JP10147545A patent/JPH1152299A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1201151A (zh) | 1998-12-09 |
| AU742070B2 (en) | 2001-12-13 |
| ID20355A (id) | 1998-12-03 |
| EP0881515A1 (en) | 1998-12-02 |
| JPH1152299A (ja) | 1999-02-26 |
| EP0881515B1 (en) | 2004-03-17 |
| CN1145822C (zh) | 2004-04-14 |
| AU6706898A (en) | 1998-12-03 |
| KR19980087217A (ko) | 1998-12-05 |
| CA2237653A1 (en) | 1998-11-29 |
| DE69822362D1 (de) | 2004-04-22 |
| DE69822362T2 (de) | 2005-02-17 |
| US6178045B1 (en) | 2001-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A,6A,7A E 8A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1860 DE 29/08/2006. |