GB2411762B - Laser amplifier - Google Patents

Laser amplifier

Info

Publication number
GB2411762B
GB2411762B GB0424271A GB0424271A GB2411762B GB 2411762 B GB2411762 B GB 2411762B GB 0424271 A GB0424271 A GB 0424271A GB 0424271 A GB0424271 A GB 0424271A GB 2411762 B GB2411762 B GB 2411762B
Authority
GB
United Kingdom
Prior art keywords
laser amplifier
amplifier
laser
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.)
Expired - Fee Related
Application number
GB0424271A
Other versions
GB0424271D0 (en
GB2411762A8 (en
GB2411762A (en
Inventor
Michael Mason
Nicolas Hay
Duncan Parsons-Karavassilis
Matthew Kelly
Andrew Comley
Burly Cumberland
Michael Poulter
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.)
Powerlase Ltd
Original Assignee
Powerlase 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 Powerlase Ltd filed Critical Powerlase Ltd
Priority to GB0424271A priority Critical patent/GB2411762B/en
Publication of GB0424271D0 publication Critical patent/GB0424271D0/en
Priority to JP2007500285A priority patent/JP2007523499A/en
Priority to TW094105372A priority patent/TW200529523A/en
Priority to KR1020067018961A priority patent/KR101324265B1/en
Priority to EP05708449A priority patent/EP1721370A2/en
Priority to US10/590,066 priority patent/US7970039B2/en
Priority to PCT/GB2005/000678 priority patent/WO2005083851A2/en
Publication of GB2411762A publication Critical patent/GB2411762A/en
Publication of GB2411762A8 publication Critical patent/GB2411762A8/en
Application granted granted Critical
Publication of GB2411762B publication Critical patent/GB2411762B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01S3/23—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
    • 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
    • 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
    • H01S3/0602—Crystal lasers or glass lasers
    • H01S3/0615—Shape of end-face
    • 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
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/164—Solid materials characterised by a crystal matrix garnet
    • H01S3/1643—YAG

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB0424271A 2004-02-23 2004-11-02 Laser amplifier Expired - Fee Related GB2411762B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB0424271A GB2411762B (en) 2004-11-02 2004-11-02 Laser amplifier
JP2007500285A JP2007523499A (en) 2004-02-23 2005-02-23 Laser equipment
TW094105372A TW200529523A (en) 2004-02-23 2005-02-23 A laser apparatus
KR1020067018961A KR101324265B1 (en) 2004-02-23 2005-02-23 A laser apparatus
EP05708449A EP1721370A2 (en) 2004-02-23 2005-02-23 A laser apparatus
US10/590,066 US7970039B2 (en) 2004-02-23 2005-02-23 Laser apparatus
PCT/GB2005/000678 WO2005083851A2 (en) 2004-02-23 2005-02-23 A laser apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0424271A GB2411762B (en) 2004-11-02 2004-11-02 Laser amplifier

Publications (4)

Publication Number Publication Date
GB0424271D0 GB0424271D0 (en) 2004-12-01
GB2411762A GB2411762A (en) 2005-09-07
GB2411762A8 GB2411762A8 (en) 2006-04-20
GB2411762B true GB2411762B (en) 2007-02-21

Family

ID=33515938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0424271A Expired - Fee Related GB2411762B (en) 2004-02-23 2004-11-02 Laser amplifier

Country Status (1)

Country Link
GB (1) GB2411762B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531251A (en) * 1894-12-18 bxchx
JPS60164386A (en) * 1984-02-07 1985-08-27 Nec Corp Solid-state laser device for laser printing
US6282223B1 (en) * 1999-08-11 2001-08-28 Lumenis Inc. Asymmetrical laser-resonator having solid-state gain-medium symmetrically filled by resonator-mode
US6395000B1 (en) * 1995-04-17 2002-05-28 Lumenis Inc. High repetition rate erbium: YAG laser for tissue ablation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US531251A (en) * 1894-12-18 bxchx
JPS60164386A (en) * 1984-02-07 1985-08-27 Nec Corp Solid-state laser device for laser printing
US6395000B1 (en) * 1995-04-17 2002-05-28 Lumenis Inc. High repetition rate erbium: YAG laser for tissue ablation
US6282223B1 (en) * 1999-08-11 2001-08-28 Lumenis Inc. Asymmetrical laser-resonator having solid-state gain-medium symmetrically filled by resonator-mode

Also Published As

Publication number Publication date
GB0424271D0 (en) 2004-12-01
GB2411762A8 (en) 2006-04-20
GB2411762A (en) 2005-09-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101102

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120705 AND 20120711

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20121003

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20191114 AND 20191120

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20221102