WO2005121889A3 - Aom modulation techniques for improving laser system performance - Google Patents
Aom modulation techniques for improving laser system performance Download PDFInfo
- Publication number
- WO2005121889A3 WO2005121889A3 PCT/US2005/019775 US2005019775W WO2005121889A3 WO 2005121889 A3 WO2005121889 A3 WO 2005121889A3 US 2005019775 W US2005019775 W US 2005019775W WO 2005121889 A3 WO2005121889 A3 WO 2005121889A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- facilitate
- modulation techniques
- aom
- pulse
- system performance
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/33—Acousto-optical deflection devices
- G02F1/332—Acousto-optical deflection devices comprising a plurality of transducers on the same crystal surface, e.g. multi-channel Bragg cell
-
- 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
-
- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
-
- 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
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020067025776A KR101290665B1 (en) | 2004-06-07 | 2005-06-06 | Aom modulation techniques for improving laser system performance |
JP2007515671A JP4791457B2 (en) | 2004-06-07 | 2005-06-06 | AOM modulation technology to improve laser system performance |
GB0623494A GB2428399B (en) | 2004-06-07 | 2005-06-06 | AOM modulation techniques for improving laser system performance |
CN2005800233157A CN101035647B (en) | 2004-06-07 | 2005-06-06 | AOM modulation techniques for improving laser system performance |
DE112005001324T DE112005001324T5 (en) | 2004-06-07 | 2005-06-06 | AOM modulation techniques to improve laser system performance |
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57779604P | 2004-06-07 | 2004-06-07 | |
US60/577,796 | 2004-06-07 | ||
US11/138,659 | 2005-05-25 | ||
US11/138,076 | 2005-05-25 | ||
US11/138,076 US7133187B2 (en) | 2004-06-07 | 2005-05-25 | AOM modulation techniques employing plurality of transducers to improve laser system performance |
US11/138,078 | 2005-05-25 | ||
US11/138,075 US7133186B2 (en) | 2004-06-07 | 2005-05-25 | AOM modulation techniques employing transducers to modulate different axes |
US11/138,657 US7133182B2 (en) | 2004-06-07 | 2005-05-25 | AOM frequency and amplitude modulation techniques for facilitating full beam extinction in laser systems |
US11/138,075 | 2005-05-25 | ||
US11/138,078 US7027199B2 (en) | 2004-06-07 | 2005-05-25 | AOM modulation techniques for facilitating pulse-to-pulse energy stability in laser systems |
US11/138,657 | 2005-05-25 | ||
US11/138,662 US7019891B2 (en) | 2004-06-07 | 2005-05-25 | AOM modulation techniques employing plurality of tilt-angled transducers to improve laser system performance |
US11/138,659 US7133188B2 (en) | 2004-06-07 | 2005-05-25 | AOM modulation techniques employing an upstream Bragg adjustment device |
US11/138,662 | 2005-05-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005121889A2 WO2005121889A2 (en) | 2005-12-22 |
WO2005121889A3 true WO2005121889A3 (en) | 2006-10-19 |
Family
ID=35503778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/019775 WO2005121889A2 (en) | 2004-06-07 | 2005-06-06 | Aom modulation techniques for improving laser system performance |
Country Status (5)
Country | Link |
---|---|
JP (2) | JP4791457B2 (en) |
KR (1) | KR101290665B1 (en) |
DE (1) | DE112005001324T5 (en) |
GB (1) | GB2428399B (en) |
WO (1) | WO2005121889A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0617945D0 (en) * | 2006-09-12 | 2006-10-18 | Ucl Business Plc | Imaging apparatus and methods |
TWI594828B (en) | 2009-05-28 | 2017-08-11 | 伊雷克托科學工業股份有限公司 | Acousto-optic deflector applications in laser processing of features in a workpiece, and related laser processing method |
CN110039173B (en) | 2010-10-22 | 2021-03-23 | 伊雷克托科学工业股份有限公司 | Laser machining system and method for beam dithering and skiving |
US8593722B2 (en) * | 2011-07-05 | 2013-11-26 | Electro Scientific Industries, Inc. | Systems and methods for providing temperature stability of acousto-optic beam deflectors and acousto-optic modulators during use |
US8848277B2 (en) * | 2012-05-31 | 2014-09-30 | Asml Netherlands B.V. | System and method for protecting a seed laser in an EUV light source with a Bragg AOM |
WO2014145305A1 (en) * | 2013-03-15 | 2014-09-18 | Electro Scientific Industries, Inc. | Laser emission-based control of beam positioner |
DE102014013567B3 (en) * | 2014-09-18 | 2015-10-08 | Iai Industrial Systems B.V. | Q-switched CO2 laser material processing system with acousto-optic modulators |
JP6487184B2 (en) * | 2014-11-10 | 2019-03-20 | 株式会社ディスコ | Laser oscillation mechanism |
DE102015213468A1 (en) * | 2015-07-17 | 2017-01-19 | Trumpf Laser Gmbh | Beam modulator with frequency conversion and associated method and laser processing machine |
US10423047B2 (en) * | 2016-07-27 | 2019-09-24 | Coherent, Inc. | Laser machining method and apparatus |
DE102016125630B4 (en) * | 2016-12-23 | 2022-07-28 | Leica Microsystems Cms Gmbh | Optical arrangement and method for influencing the beam direction of at least one light beam |
KR101868295B1 (en) * | 2017-11-16 | 2018-07-17 | 윤태중 | Apparatus and Method for amplifying maximum output of laser |
US11033981B2 (en) * | 2018-07-23 | 2021-06-15 | University Of Maryland, College Park | Acousto-optic modulator configurations for quantum processing |
US11374375B2 (en) | 2019-08-14 | 2022-06-28 | Kla Corporation | Laser closed power loop with an acousto-optic modulator for power modulation |
GB2589006B (en) * | 2019-10-09 | 2022-06-15 | Mbda Uk Ltd | Acousto-optic device and method |
DE102022119609A1 (en) | 2022-08-04 | 2024-02-15 | Trumpf Laser Gmbh | Laser system and method for providing a pulsed laser beam intended to interact with a target material |
US11813697B1 (en) * | 2023-04-07 | 2023-11-14 | Intraaction Corp | Laser methods of fabrication of clothing |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352402A (en) * | 1979-06-25 | 1982-10-05 | Vdo Adolf Schindling Ag | Safety circuit for an apparatus for regulating the traveling speed of a vehicle |
US5197074A (en) * | 1991-12-26 | 1993-03-23 | Electro Scientific Industries, Inc. | Multi-function intra-resonator loss modulator and method of operating same |
US5751585A (en) * | 1995-03-20 | 1998-05-12 | Electro Scientific Industries, Inc. | High speed, high accuracy multi-stage tool positioning system |
US5837962A (en) * | 1996-07-15 | 1998-11-17 | Overbeck; James W. | Faster laser marker employing acousto-optic deflection |
US5847960A (en) * | 1995-03-20 | 1998-12-08 | Electro Scientific Industries, Inc. | Multi-tool positioning system |
US6339604B1 (en) * | 1998-06-12 | 2002-01-15 | General Scanning, Inc. | Pulse control in laser systems |
US6341029B1 (en) * | 1999-04-27 | 2002-01-22 | Gsi Lumonics, Inc. | Method and apparatus for shaping a laser-beam intensity profile by dithering |
US6407363B2 (en) * | 2000-03-30 | 2002-06-18 | Electro Scientific Industries, Inc. | Laser system and method for single press micromachining of multilayer workpieces |
US6430465B2 (en) * | 2000-01-11 | 2002-08-06 | Electro Scientific Industries, Inc. | Abbe error correction system and method |
US20020117481A1 (en) * | 2001-02-16 | 2002-08-29 | Mark Unrath | On-the-fly beam path error correction for memory link processing |
US20030086447A1 (en) * | 1998-10-21 | 2003-05-08 | Eddie H. Young | High loss modulation acousto-optic q-switch for high power multimode laser |
US6706999B1 (en) * | 2003-02-24 | 2004-03-16 | Electro Scientific Industries, Inc. | Laser beam tertiary positioner apparatus and method |
US20050161444A1 (en) * | 2003-10-17 | 2005-07-28 | Gsi Lumonics Corporation | Flexible scan field |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49131455A (en) * | 1973-04-20 | 1974-12-17 | ||
JPS5390957A (en) * | 1977-01-20 | 1978-08-10 | Matsushita Electric Ind Co Ltd | Photo signal generator |
JPS5579411A (en) * | 1978-12-13 | 1980-06-14 | Ricoh Co Ltd | Multifrequency driving acoustic optical element |
HU180848B (en) * | 1979-04-18 | 1983-04-29 | Mta Szamitastech Autom Kutato | Multiple acoustooptical,multiray intensity modulator and ray deflector |
JPS59197015A (en) * | 1983-04-22 | 1984-11-08 | Hoya Corp | Acoustooptic modulator |
JPS60136719A (en) * | 1983-12-26 | 1985-07-20 | Matsushita Electric Ind Co Ltd | Acoustooptic device |
JPS6139023A (en) * | 1984-07-31 | 1986-02-25 | Ricoh Co Ltd | Controlling method of light |
JPS62215917A (en) * | 1986-03-18 | 1987-09-22 | Hamamatsu Photonics Kk | Electric signal generating device synchronizing with optical pulse train |
JPS63175833A (en) * | 1987-01-16 | 1988-07-20 | Kowa Co | Light deflecting device |
JPS63194236A (en) * | 1987-02-09 | 1988-08-11 | Anritsu Corp | Light deflecting device |
JPS6461080A (en) * | 1987-09-01 | 1989-03-08 | Asahi Glass Co Ltd | Acousto-optic element |
JPH01310327A (en) * | 1988-06-08 | 1989-12-14 | Fuji Photo Film Co Ltd | Optical deflecting device |
JPH02143579A (en) * | 1988-11-25 | 1990-06-01 | Hitachi Electron Eng Co Ltd | Laser beam intensity stabilizing device |
JPH0338614A (en) * | 1989-07-05 | 1991-02-19 | Pioneer Electron Corp | Acoustooptic modulating device |
JP2767635B2 (en) * | 1989-11-29 | 1998-06-18 | ホーヤ株式会社 | Multi-wavelength optical modulator |
JPH04103044A (en) * | 1990-08-22 | 1992-04-06 | Ricoh Co Ltd | Optical axis controller |
JPH0534735A (en) * | 1991-07-31 | 1993-02-12 | Olympus Optical Co Ltd | Beam deflector using acoustooptic deflecting element |
JP2908090B2 (en) * | 1991-11-25 | 1999-06-21 | 日本電気株式会社 | Acousto-optic filter control method and device |
JPH06202058A (en) * | 1992-12-25 | 1994-07-22 | Ricoh Co Ltd | Light quantity controller |
JPH06283795A (en) * | 1993-03-26 | 1994-10-07 | Asahi Glass Co Ltd | Acousto-optical q-switch for optical fiber laser |
JP3696349B2 (en) * | 1996-09-06 | 2005-09-14 | 富士写真フイルム株式会社 | Optical deflector and optical beam scanning device |
JP4054078B2 (en) * | 1996-09-06 | 2008-02-27 | 富士フイルム株式会社 | Acousto-optic device, light beam scanning apparatus, and acousto-optic device attitude adjustment method |
JPH1185054A (en) * | 1997-09-01 | 1999-03-30 | Mitsubishi Electric Corp | Laser projection display device |
DE19840926B4 (en) * | 1998-09-08 | 2013-07-11 | Hell Gravure Systems Gmbh & Co. Kg | Arrangement for material processing by means of laser beams and their use |
KR100600921B1 (en) * | 1999-04-27 | 2006-07-13 | 지에스아이 루모닉스 인코퍼레이티드 | Laser calibration apparatus and method |
JP2004038106A (en) * | 2002-07-08 | 2004-02-05 | Hitachi Via Mechanics Ltd | Laser beam scanner |
JP2004145544A (en) * | 2002-10-23 | 2004-05-20 | Sumitomo Heavy Ind Ltd | Working planing method and device |
JP4615834B2 (en) * | 2003-07-04 | 2011-01-19 | オリンパス株式会社 | Laser modulation apparatus and method |
-
2005
- 2005-06-06 GB GB0623494A patent/GB2428399B/en not_active Expired - Fee Related
- 2005-06-06 JP JP2007515671A patent/JP4791457B2/en active Active
- 2005-06-06 DE DE112005001324T patent/DE112005001324T5/en not_active Withdrawn
- 2005-06-06 WO PCT/US2005/019775 patent/WO2005121889A2/en active Application Filing
- 2005-06-06 KR KR1020067025776A patent/KR101290665B1/en active IP Right Grant
-
2010
- 2010-12-24 JP JP2010287047A patent/JP5492763B2/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352402A (en) * | 1979-06-25 | 1982-10-05 | Vdo Adolf Schindling Ag | Safety circuit for an apparatus for regulating the traveling speed of a vehicle |
US5197074A (en) * | 1991-12-26 | 1993-03-23 | Electro Scientific Industries, Inc. | Multi-function intra-resonator loss modulator and method of operating same |
US5751585A (en) * | 1995-03-20 | 1998-05-12 | Electro Scientific Industries, Inc. | High speed, high accuracy multi-stage tool positioning system |
US5847960A (en) * | 1995-03-20 | 1998-12-08 | Electro Scientific Industries, Inc. | Multi-tool positioning system |
US5837962A (en) * | 1996-07-15 | 1998-11-17 | Overbeck; James W. | Faster laser marker employing acousto-optic deflection |
US6339604B1 (en) * | 1998-06-12 | 2002-01-15 | General Scanning, Inc. | Pulse control in laser systems |
US20030086447A1 (en) * | 1998-10-21 | 2003-05-08 | Eddie H. Young | High loss modulation acousto-optic q-switch for high power multimode laser |
US6341029B1 (en) * | 1999-04-27 | 2002-01-22 | Gsi Lumonics, Inc. | Method and apparatus for shaping a laser-beam intensity profile by dithering |
US6430465B2 (en) * | 2000-01-11 | 2002-08-06 | Electro Scientific Industries, Inc. | Abbe error correction system and method |
US6407363B2 (en) * | 2000-03-30 | 2002-06-18 | Electro Scientific Industries, Inc. | Laser system and method for single press micromachining of multilayer workpieces |
US20020117481A1 (en) * | 2001-02-16 | 2002-08-29 | Mark Unrath | On-the-fly beam path error correction for memory link processing |
US6706999B1 (en) * | 2003-02-24 | 2004-03-16 | Electro Scientific Industries, Inc. | Laser beam tertiary positioner apparatus and method |
US20050161444A1 (en) * | 2003-10-17 | 2005-07-28 | Gsi Lumonics Corporation | Flexible scan field |
Also Published As
Publication number | Publication date |
---|---|
GB2428399A (en) | 2007-01-31 |
JP4791457B2 (en) | 2011-10-12 |
KR101290665B1 (en) | 2013-07-30 |
JP5492763B2 (en) | 2014-05-14 |
WO2005121889A2 (en) | 2005-12-22 |
JP2008502010A (en) | 2008-01-24 |
DE112005001324T5 (en) | 2007-08-23 |
JP2011085952A (en) | 2011-04-28 |
KR20070030210A (en) | 2007-03-15 |
GB0623494D0 (en) | 2007-01-03 |
GB2428399B (en) | 2010-05-05 |
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