GB2323466B - Improvements in or relating to lasers - Google Patents

Improvements in or relating to lasers

Info

Publication number
GB2323466B
GB2323466B GB8412489A GB8412489A GB2323466B GB 2323466 B GB2323466 B GB 2323466B GB 8412489 A GB8412489 A GB 8412489A GB 8412489 A GB8412489 A GB 8412489A GB 2323466 B GB2323466 B GB 2323466B
Authority
GB
United Kingdom
Prior art keywords
lasers
relating
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 - Lifetime
Application number
GB8412489A
Other versions
GB8412489D0 (en
GB2323466A (en
Inventor
Gary Cook
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8412489D0 publication Critical patent/GB8412489D0/en
Publication of GB2323466A publication Critical patent/GB2323466A/en
Application granted granted Critical
Publication of GB2323466B publication Critical patent/GB2323466B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements
    • 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
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • 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
    • H01S3/02—Constructional details
    • H01S3/022—Constructional details of liquid lasers
    • 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
    • H01S3/093—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp focusing or directing the excitation energy into the active medium
    • 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
    • H01S3/20—Liquids
    • H01S3/213—Liquids including an organic dye

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB8412489A 1983-05-25 1984-05-16 Improvements in or relating to lasers Expired - Lifetime GB2323466B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB8314368.5A GB8314368D0 (en) 1983-05-25 1983-05-25 Composite lasers

Publications (3)

Publication Number Publication Date
GB8412489D0 GB8412489D0 (en) 1998-05-20
GB2323466A GB2323466A (en) 1998-09-23
GB2323466B true GB2323466B (en) 1998-12-30

Family

ID=10543276

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB8314368.5A Pending GB8314368D0 (en) 1983-05-25 1983-05-25 Composite lasers
GB8412489A Expired - Lifetime GB2323466B (en) 1983-05-25 1984-05-16 Improvements in or relating to lasers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB8314368.5A Pending GB8314368D0 (en) 1983-05-25 1983-05-25 Composite lasers

Country Status (5)

Country Link
CA (1) CA1341338C (en)
DE (1) DE3419562C1 (en)
FR (1) FR2920257A1 (en)
GB (2) GB8314368D0 (en)
IT (1) IT8448257A0 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1038495A (en) * 1962-07-10 1966-08-10 Ment Jack De Improvements in or relating to maser devices
GB1039213A (en) * 1964-04-10 1966-08-17 Ibm Improvements in or relating to lasers
US3590004A (en) * 1968-08-08 1971-06-29 American Optical Corp Laser material comprised of erbium and ytterbium doped glass core and neodymium doped glass sensitizer element
GB1255399A (en) * 1968-03-04 1971-12-01 Eastman Kodak Co Lasers
US3636473A (en) * 1969-03-06 1972-01-18 American Optical Corp Composite glass laser rod
US3646473A (en) * 1969-04-10 1972-02-29 Young Charles G Clad glass laser rod
GB1282884A (en) * 1968-06-07 1972-07-26 Western Electric Co Improvements in or relating to electro-magnetic wave transmission lines
US3684980A (en) * 1970-10-13 1972-08-15 Texas Instruments Inc High effective absorption coefficient solid state laser rods
GB1421405A (en) * 1972-04-06 1976-01-21 Nasa Alser apparatus
GB1544145A (en) * 1976-02-17 1979-04-11 Comp Generale Electricite Laser head and application thereof to a laser generator device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219585A (en) * 1961-10-31 1965-11-23 Bell Telephone Labor Inc Diffusion technique for making composite optical maser crystals
DE2002389A1 (en) * 1970-01-20 1971-07-29 Siemens Ag laser

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1038495A (en) * 1962-07-10 1966-08-10 Ment Jack De Improvements in or relating to maser devices
GB1039213A (en) * 1964-04-10 1966-08-17 Ibm Improvements in or relating to lasers
GB1255399A (en) * 1968-03-04 1971-12-01 Eastman Kodak Co Lasers
GB1282884A (en) * 1968-06-07 1972-07-26 Western Electric Co Improvements in or relating to electro-magnetic wave transmission lines
US3590004A (en) * 1968-08-08 1971-06-29 American Optical Corp Laser material comprised of erbium and ytterbium doped glass core and neodymium doped glass sensitizer element
US3636473A (en) * 1969-03-06 1972-01-18 American Optical Corp Composite glass laser rod
US3646473A (en) * 1969-04-10 1972-02-29 Young Charles G Clad glass laser rod
US3684980A (en) * 1970-10-13 1972-08-15 Texas Instruments Inc High effective absorption coefficient solid state laser rods
GB1421405A (en) * 1972-04-06 1976-01-21 Nasa Alser apparatus
GB1544145A (en) * 1976-02-17 1979-04-11 Comp Generale Electricite Laser head and application thereof to a laser generator device

Also Published As

Publication number Publication date
FR2920257A1 (en) 2009-02-27
GB8412489D0 (en) 1998-05-20
DE3419562C1 (en) 2000-12-28
GB8314368D0 (en) 1998-05-20
CA1341338C (en) 2002-02-12
IT8448257A0 (en) 1984-05-24
GB2323466A (en) 1998-09-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20040515