GB0613143D0 - Laser control systems - Google Patents

Laser control systems

Info

Publication number
GB0613143D0
GB0613143D0 GBGB0613143.7A GB0613143A GB0613143D0 GB 0613143 D0 GB0613143 D0 GB 0613143D0 GB 0613143 A GB0613143 A GB 0613143A GB 0613143 D0 GB0613143 D0 GB 0613143D0
Authority
GB
United Kingdom
Prior art keywords
control systems
laser control
laser
systems
control
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Withdrawn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
GBGB0613143.7A
Other versions
GB2439758A (en
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/en
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Withdrawn legal-status Critical Current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 (en) 2006-07-03 2007-06-25 Laser control systems

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 true GB0613143D0 (en) 2006-08-09
GB2439758A 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 (en)
WO (1) WO2008003997A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5354969B2 (en) * 2008-06-17 2013-11-27 ミヤチテクノス株式会社 Fiber laser processing method and fiber laser processing apparatus
LT5957B (en) 2011-12-16 2013-08-26 Uab "Ekspla" Method of controlling the current of flash lamp
EP3874496A1 (en) * 2018-10-30 2021-09-08 Marvell Asia Pte., Ltd. Thermal compensation for laser in heat assisted magnetic recording
DE102021200193B4 (en) 2021-01-11 2022-10-20 Trumpf Laser Gmbh Method for checking optical elements of a laser light source

Family Cites Families (8)

* 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 (en) * 1992-06-08 1998-04-08 三菱電機株式会社 Pulse laser equipment
JPH10263859A (en) * 1997-03-19 1998-10-06 Miyachi Technos Corp Laser monitoring device and laser device
US6193711B1 (en) * 1997-12-12 2001-02-27 Coherent, Inc. Rapid pulsed Er:YAG laser
WO2001050640A1 (en) * 1999-12-30 2001-07-12 Maxim Integrated Products, Inc. Sub-threshold bias control for burst mode optical transmitters
JP2003298160A (en) * 2002-03-29 2003-10-17 Kataoka Seisakusho:Kk Solid laser device
US6834065B2 (en) * 2002-05-21 2004-12-21 Carrier Access Corporation Methods and apparatuses for direct digital drive of a laser in a passive optical network
JP3880914B2 (en) * 2002-10-31 2007-02-14 株式会社リコー Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device

Also Published As

Publication number Publication date
WO2008003997A1 (en) 2008-01-10
GB2439758A (en) 2008-01-09

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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)