GB2225483B - Electrical discharge apparatuses - Google Patents
Electrical discharge apparatusesInfo
- Publication number
- GB2225483B GB2225483B GB8925640A GB8925640A GB2225483B GB 2225483 B GB2225483 B GB 2225483B GB 8925640 A GB8925640 A GB 8925640A GB 8925640 A GB8925640 A GB 8925640A GB 2225483 B GB2225483 B GB 2225483B
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrical discharge
- discharge apparatuses
- apparatuses
- electrical
- discharge
- 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
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
- H01S3/09—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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/30—Igniting 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
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/038—Electrodes, e.g. special shape, configuration or composition
- H01S3/0388—Compositions, materials or coatings
-
- 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
- H01S3/0384—Auxiliary electrodes, e.g. for pre-ionisation or triggering, or particular adaptations therefor
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888827702A GB8827702D0 (en) | 1988-11-28 | 1988-11-28 | Electric discharge apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8925640D0 GB8925640D0 (en) | 1990-01-04 |
GB2225483A GB2225483A (en) | 1990-05-30 |
GB2225483B true GB2225483B (en) | 1992-10-21 |
Family
ID=10647559
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888827702A Pending GB8827702D0 (en) | 1988-11-28 | 1988-11-28 | Electric discharge apparatus |
GB8925640A Expired - Lifetime GB2225483B (en) | 1988-11-28 | 1989-11-13 | Electrical discharge apparatuses |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB888827702A Pending GB8827702D0 (en) | 1988-11-28 | 1988-11-28 | Electric discharge apparatus |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8827702D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6052402A (en) * | 1998-04-08 | 2000-04-18 | Argus Photonics Group, Inc. | Laser having an electrode assembly including arc suppression means |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB757022A (en) * | 1951-09-29 | 1956-09-12 | Ericsson Telefon Ab L M | Improvements in or relating to electric circuits comprising gas-filled glow discharge tubes |
GB1307627A (en) * | 1969-08-29 | 1973-02-21 | Ca Minister Nat Defence | Molecular gas laser excitation systems |
GB2053556A (en) * | 1978-10-20 | 1981-02-04 | Univ Essex | Pre-ionising arrangement for electrical discharge apparatus such as a gas laser |
EP0048407A1 (en) * | 1980-09-22 | 1982-03-31 | Kraftwerk Union Aktiengesellschaft | High-energy TEA laser with ionizing rods arranged parallel to the laser axis |
-
1988
- 1988-11-28 GB GB888827702A patent/GB8827702D0/en active Pending
-
1989
- 1989-11-13 GB GB8925640A patent/GB2225483B/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB757022A (en) * | 1951-09-29 | 1956-09-12 | Ericsson Telefon Ab L M | Improvements in or relating to electric circuits comprising gas-filled glow discharge tubes |
GB1307627A (en) * | 1969-08-29 | 1973-02-21 | Ca Minister Nat Defence | Molecular gas laser excitation systems |
GB2053556A (en) * | 1978-10-20 | 1981-02-04 | Univ Essex | Pre-ionising arrangement for electrical discharge apparatus such as a gas laser |
EP0048407A1 (en) * | 1980-09-22 | 1982-03-31 | Kraftwerk Union Aktiengesellschaft | High-energy TEA laser with ionizing rods arranged parallel to the laser axis |
Also Published As
Publication number | Publication date |
---|---|
GB8925640D0 (en) | 1990-01-04 |
GB8827702D0 (en) | 1988-12-29 |
GB2225483A (en) | 1990-05-30 |
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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) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931113 |