GB2057181B - Gas laser arrangements - Google Patents

Gas laser arrangements

Info

Publication number
GB2057181B
GB2057181B GB8025697A GB8025697A GB2057181B GB 2057181 B GB2057181 B GB 2057181B GB 8025697 A GB8025697 A GB 8025697A GB 8025697 A GB8025697 A GB 8025697A GB 2057181 B GB2057181 B GB 2057181B
Authority
GB
United Kingdom
Prior art keywords
gas laser
laser arrangements
arrangements
gas
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
Application number
GB8025697A
Other versions
GB2057181A (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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8025697A priority Critical patent/GB2057181B/en
Publication of GB2057181A publication Critical patent/GB2057181A/en
Application granted granted Critical
Publication of GB2057181B publication Critical patent/GB2057181B/en
Expired 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
    • H01S3/134—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 in gas 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
    • H01S3/10—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
    • H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
GB8025697A 1979-08-16 1980-08-06 Gas laser arrangements Expired GB2057181B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8025697A GB2057181B (en) 1979-08-16 1980-08-06 Gas laser arrangements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7928536 1979-08-16
GB8025697A GB2057181B (en) 1979-08-16 1980-08-06 Gas laser arrangements

Publications (2)

Publication Number Publication Date
GB2057181A GB2057181A (en) 1981-03-25
GB2057181B true GB2057181B (en) 1983-08-24

Family

ID=26272579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8025697A Expired GB2057181B (en) 1979-08-16 1980-08-06 Gas laser arrangements

Country Status (1)

Country Link
GB (1) GB2057181B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594715A (en) * 1983-11-17 1986-06-10 Particle Measuring Systems, Inc. Laser with stabilized external passive cavity

Also Published As

Publication number Publication date
GB2057181A (en) 1981-03-25

Similar Documents

Publication Publication Date Title
GB2050592B (en) Gas turbine
GB2043868B (en) Gas turbine
DE2965920D1 (en) Gas laser
GB2046843B (en) Gas turbine engines-de-icing-icing
JPS54154990A (en) Gas laser
JPS5489494A (en) Gas laser
JPS55160127A (en) Gas turbine
JPS54896A (en) Gas laser
GB2044431B (en) Gas turbine
GB2050683B (en) Lasers
JPS5561081A (en) Laser assembly
GB2008845B (en) Gas laser
JPS5286095A (en) Gas laser
JPS52120789A (en) Gas laser
DE2966758D1 (en) Gas laser
GB2041634B (en) Gas laser
GB2061606B (en) Gas dircharge laser device
JPS5430793A (en) Gas laser
JPS5620913A (en) Gas burner
DE3060973D1 (en) Gas discharge laser
ZA805552B (en) Gas generator
GB2040551B (en) Gas discharge laser
DE3168053D1 (en) Gas laser
JPS547895A (en) Gas laser
JPS55127093A (en) Gas laser

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940806