GB2439758A - Laser Control Systems - Google Patents

Laser Control Systems Download PDF

Info

Publication number
GB2439758A
GB2439758A GB0613143A GB0613143A GB2439758A GB 2439758 A GB2439758 A GB 2439758A GB 0613143 A GB0613143 A GB 0613143A GB 0613143 A GB0613143 A GB 0613143A GB 2439758 A GB2439758 A GB 2439758A
Authority
GB
United Kingdom
Prior art keywords
energy
laser
pulse
output
level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB0613143A
Other languages
English (en)
Other versions
GB0613143D0 (en
Inventor
Stephen Matthews
Chris Parsons
David Judd
Steve Keen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novanta Technologies UK Ltd
Original Assignee
GSI Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GSI Group Ltd filed Critical GSI Group Ltd
Priority to GB0613143A priority Critical patent/GB2439758A/en
Publication of GB0613143D0 publication Critical patent/GB0613143D0/en
Priority to PCT/GB2007/050356 priority patent/WO2008003997A1/fr
Publication of GB2439758A publication Critical patent/GB2439758A/en
Withdrawn legal-status Critical Current

Links

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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
    • 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation thereof
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
    • H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB0613143A 2006-07-03 2006-07-03 Laser Control Systems Withdrawn GB2439758A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0613143A GB2439758A (en) 2006-07-03 2006-07-03 Laser Control Systems
PCT/GB2007/050356 WO2008003997A1 (fr) 2006-07-03 2007-06-25 Systèmes de commande de laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0613143A GB2439758A (en) 2006-07-03 2006-07-03 Laser Control Systems

Publications (2)

Publication Number Publication Date
GB0613143D0 GB0613143D0 (en) 2006-08-09
GB2439758A true GB2439758A (en) 2008-01-09

Family

ID=36888498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0613143A Withdrawn GB2439758A (en) 2006-07-03 2006-07-03 Laser Control Systems

Country Status (2)

Country Link
GB (1) GB2439758A (fr)
WO (1) WO2008003997A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5354969B2 (ja) * 2008-06-17 2013-11-27 ミヤチテクノス株式会社 ファイバレーザ加工方法及びファイバレーザ加工装置
LT5957B (lt) 2011-12-16 2013-08-26 Uab "Ekspla" Pasikartojančio išlydžio impulsinės lempos maitinimo būdas
EP3874496A1 (fr) * 2018-10-30 2021-09-08 Marvell Asia Pte., Ltd. Compensation thermique pour laser dans un enregistrement magnétique assisté thermiquement
DE102021200193B4 (de) 2021-01-11 2022-10-20 Trumpf Laser Gmbh Verfahren zum Überprüfen von optischen Elementen einer Laserlichtquelle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001050640A1 (fr) * 1999-12-30 2001-07-12 Maxim Integrated Products, Inc. Utilisation d'un courant de commande sub-nominal pour emetteurs optiques en mode rafale
US20030219050A1 (en) * 2002-05-21 2003-11-27 Phil Couch Methods and apparatuses for measuring and controlling a laser output in a passive optical network
WO2004040721A1 (fr) * 2002-10-31 2004-05-13 Ricoh Company, Ltd. Dispositif de commande de laser a semi-conducteur, procede de commande de laser a semi-conducteur, et appareil imageur utilisant un dispositif de commande de laser a semi-conducteur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499396A3 (en) * 1991-02-13 1993-04-14 Coherent, Inc. Method and device for preconditioning a laser having a solid state gain medium
JP2738796B2 (ja) * 1992-06-08 1998-04-08 三菱電機株式会社 パルスレーザ装置
JPH10263859A (ja) * 1997-03-19 1998-10-06 Miyachi Technos Corp レーザモニタ装置及びレーザ装置
US6193711B1 (en) * 1997-12-12 2001-02-27 Coherent, Inc. Rapid pulsed Er:YAG laser
JP2003298160A (ja) * 2002-03-29 2003-10-17 Kataoka Seisakusho:Kk 固体レーザ装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001050640A1 (fr) * 1999-12-30 2001-07-12 Maxim Integrated Products, Inc. Utilisation d'un courant de commande sub-nominal pour emetteurs optiques en mode rafale
US20030219050A1 (en) * 2002-05-21 2003-11-27 Phil Couch Methods and apparatuses for measuring and controlling a laser output in a passive optical network
WO2004040721A1 (fr) * 2002-10-31 2004-05-13 Ricoh Company, Ltd. Dispositif de commande de laser a semi-conducteur, procede de commande de laser a semi-conducteur, et appareil imageur utilisant un dispositif de commande de laser a semi-conducteur

Also Published As

Publication number Publication date
WO2008003997A1 (fr) 2008-01-10
GB0613143D0 (en) 2006-08-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)