DK589187A - Laser - Google Patents
LaserInfo
- Publication number
- DK589187A DK589187A DK589187A DK589187A DK589187A DK 589187 A DK589187 A DK 589187A DK 589187 A DK589187 A DK 589187A DK 589187 A DK589187 A DK 589187A DK 589187 A DK589187 A DK 589187A
- Authority
- DK
- Denmark
- Prior art keywords
- laser
- Prior art date
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
- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1055—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length one of the reflectors being constituted by a diffraction grating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable 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
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/036—Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube
-
- 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
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/038—Electrodes, e.g. special shape, configuration or composition
-
- 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
- H01S3/086—One or more reflectors having variable properties or positions for initial adjustment of the resonator
-
- 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
- H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
- H01S3/0971—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited
- H01S3/09713—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser transversely excited with auxiliary ionisation, e.g. double discharge excitation
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB868626751A GB8626751D0 (en) | 1986-11-10 | 1986-11-10 | Lasers |
Publications (2)
Publication Number | Publication Date |
---|---|
DK589187D0 DK589187D0 (da) | 1987-11-10 |
DK589187A true DK589187A (da) | 1988-05-11 |
Family
ID=10607045
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK589387A DK589387A (da) | 1986-11-10 | 1987-11-10 | Laser |
DK589287A DK589287A (da) | 1986-11-10 | 1987-11-10 | Laser |
DK589087A DK589087A (da) | 1986-11-10 | 1987-11-10 | Laser |
DK589187A DK589187A (da) | 1986-11-10 | 1987-11-10 | Laser |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK589387A DK589387A (da) | 1986-11-10 | 1987-11-10 | Laser |
DK589287A DK589287A (da) | 1986-11-10 | 1987-11-10 | Laser |
DK589087A DK589087A (da) | 1986-11-10 | 1987-11-10 | Laser |
Country Status (6)
Country | Link |
---|---|
US (1) | US4866727A (da) |
EP (4) | EP0267593A3 (da) |
DK (4) | DK589387A (da) |
GB (1) | GB8626751D0 (da) |
IE (1) | IE873020L (da) |
PT (4) | PT86108A (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8626751D0 (en) * | 1986-11-10 | 1986-12-10 | Dijk J W | Lasers |
US4905250A (en) * | 1987-11-13 | 1990-02-27 | The European Atomic Energy Community | Pre-ionizing electrode arrangement for a gas discharge laser |
DE3930699C2 (de) * | 1989-09-14 | 1994-02-03 | Perzl Peter | Vorrichtung zur Energieeinkopplung in eine durchströmte elektrische Gasentladung |
WO1991009298A1 (en) * | 1989-12-19 | 1991-06-27 | Komi Nauchny Tsentr Uralskogo Otdelenia Akademii Nauk Sssr | Method and device for obtaining metric characteristics of spectrochemical parameters of analysed materials |
JP2839339B2 (ja) * | 1990-08-06 | 1998-12-16 | 松下電器産業株式会社 | 直交変換符号化装置および直交変換符号化方法 |
DE19613805C1 (de) * | 1996-04-06 | 1997-12-11 | Deutsche Forsch Luft Raumfahrt | Verfahren und Einrichtung zur Fernerkundung von Spurengasen |
US11435234B1 (en) * | 2021-02-10 | 2022-09-06 | Quantum Valley Ideas Laboratories | Increasing the measurement precision of optical instrumentation using Kalman-type filters |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577349A (en) * | 1977-03-11 | 1980-10-22 | Andersson H | Method and apparatus for producing laser pulses with high reproducibility |
DE2824761A1 (de) * | 1977-06-08 | 1978-12-14 | Gen Electric | Entladungserhitzter kupferdampf-laser |
DE3035730A1 (de) * | 1980-09-22 | 1982-05-13 | Kraftwerk Union AG, 4330 Mülheim | Hochenergielaser des tea-typs mit laser-achsparrallel angeordneten vorionisierungsstaeben |
FR2553941B1 (fr) * | 1983-10-21 | 1985-12-13 | Commissariat Energie Atomique | Dispositif laser a vapeur metallique |
US4719641A (en) * | 1985-11-08 | 1988-01-12 | Summit Technology, Inc. | Multiple chamber laser containment system |
GB8626751D0 (en) * | 1986-11-10 | 1986-12-10 | Dijk J W | Lasers |
-
1986
- 1986-11-10 GB GB868626751A patent/GB8626751D0/en active Pending
-
1987
- 1987-11-10 PT PT86108A patent/PT86108A/pt not_active Application Discontinuation
- 1987-11-10 PT PT86107A patent/PT86107A/pt not_active Application Discontinuation
- 1987-11-10 DK DK589387A patent/DK589387A/da not_active Application Discontinuation
- 1987-11-10 DK DK589287A patent/DK589287A/da not_active Application Discontinuation
- 1987-11-10 EP EP87116617A patent/EP0267593A3/en not_active Withdrawn
- 1987-11-10 IE IE873020A patent/IE873020L/xx unknown
- 1987-11-10 DK DK589087A patent/DK589087A/da not_active Application Discontinuation
- 1987-11-10 PT PT86106A patent/PT86106A/pt not_active Application Discontinuation
- 1987-11-10 DK DK589187A patent/DK589187A/da not_active Application Discontinuation
- 1987-11-10 EP EP87116615A patent/EP0270862A3/en not_active Ceased
- 1987-11-10 EP EP87116618A patent/EP0288602A3/en not_active Withdrawn
- 1987-11-10 EP EP87116616A patent/EP0267592A3/en not_active Ceased
- 1987-11-10 PT PT86109A patent/PT86109A/pt not_active Application Discontinuation
- 1987-11-13 US US07/120,158 patent/US4866727A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IE873020L (en) | 1988-05-10 |
EP0267593A3 (en) | 1989-09-27 |
EP0288602A3 (en) | 1989-09-27 |
DK589387A (da) | 1988-05-11 |
DK589087D0 (da) | 1987-11-10 |
PT86106A (pt) | 1988-12-15 |
DK589387D0 (da) | 1987-11-10 |
PT86109A (pt) | 1988-12-15 |
US4866727A (en) | 1989-09-12 |
DK589287D0 (da) | 1987-11-10 |
DK589087A (da) | 1988-05-11 |
EP0267592A3 (en) | 1989-09-06 |
EP0270862A2 (en) | 1988-06-15 |
DK589187D0 (da) | 1987-11-10 |
PT86107A (pt) | 1988-12-15 |
DK589287A (da) | 1988-05-11 |
GB8626751D0 (en) | 1986-12-10 |
EP0270862A3 (en) | 1990-01-17 |
EP0267593A2 (en) | 1988-05-18 |
PT86108A (pt) | 1988-12-15 |
EP0267592A2 (en) | 1988-05-18 |
EP0288602A2 (en) | 1988-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |