GB2132407B - A laser cathode - Google Patents

A laser cathode

Info

Publication number
GB2132407B
GB2132407B GB08334345A GB8334345A GB2132407B GB 2132407 B GB2132407 B GB 2132407B GB 08334345 A GB08334345 A GB 08334345A GB 8334345 A GB8334345 A GB 8334345A GB 2132407 B GB2132407 B GB 2132407B
Authority
GB
United Kingdom
Prior art keywords
laser cathode
cathode
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
GB08334345A
Other versions
GB2132407A (en
GB8334345D0 (en
Inventor
Gordon Spencer Norvell
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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems Inc
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 Litton Systems Inc filed Critical Litton Systems Inc
Publication of GB8334345D0 publication Critical patent/GB8334345D0/en
Publication of GB2132407A publication Critical patent/GB2132407A/en
Application granted granted Critical
Publication of GB2132407B publication Critical patent/GB2132407B/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
    • H01S3/02—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
    • H01S3/0381—Anodes or particular adaptations 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
    • H01S3/02—Constructional details
    • H01S3/03—Constructional details of gas laser discharge tubes
    • H01S3/038—Electrodes, e.g. special shape, configuration or composition
    • H01S3/0382—Cathodes or particular adaptations 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
    • H01S3/05—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
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • H01S3/0835—Gas ring lasers
GB08334345A 1982-12-27 1983-12-23 A laser cathode Expired GB2132407B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45378082A 1982-12-27 1982-12-27

Publications (3)

Publication Number Publication Date
GB8334345D0 GB8334345D0 (en) 1984-02-01
GB2132407A GB2132407A (en) 1984-07-04
GB2132407B true GB2132407B (en) 1987-08-26

Family

ID=23802036

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08334345A Expired GB2132407B (en) 1982-12-27 1983-12-23 A laser cathode
GB8609664A Expired - Fee Related GB2189341B (en) 1982-12-27 1986-04-21 Lasers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8609664A Expired - Fee Related GB2189341B (en) 1982-12-27 1986-04-21 Lasers

Country Status (7)

Country Link
JP (2) JPS59132692A (en)
CA (1) CA1255380A (en)
DE (2) DE3346232A1 (en)
FR (2) FR2538610B1 (en)
GB (2) GB2132407B (en)
IL (1) IL70499A (en)
IT (1) IT1197763B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL70499A (en) * 1982-12-27 1988-06-30 Litton Systems Inc Laser cathode
US4825446A (en) * 1986-06-14 1989-04-25 English Electric Valve Company Limited Laser apparatus having cathode bore directing electron beam onto anode
EP0267304A1 (en) * 1986-11-10 1988-05-18 LITEF GmbH Process for manufacturing laser cathodes
DE3937529A1 (en) * 1989-11-08 1991-05-16 Siemens Ag METHOD FOR CONNECTING A SILICON PART TO A GLASS PART

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511115A (en) * 1937-11-11 1939-08-14 Stabilovolt Gmbh Improvements in glow discharge tubes for voltage regulation
US3904986A (en) * 1974-04-19 1975-09-09 Rca Corp Gas laser tube
CA1085031A (en) * 1976-11-08 1980-09-02 Litton Systems, Inc. Laser gyro with phased dithered mirrors
DE7719239U1 (en) * 1977-06-20 1978-01-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen GAS LASER WITH A CYLINDER-SHAPED DISCHARGE PISTON
IL57936A (en) * 1978-10-02 1982-07-30 Litton Systems Inc Ring laser with adjustable mirrors
US4273282A (en) * 1979-12-20 1981-06-16 Litton Systems, Inc. Glass-or ceramic-to-metal seals
JPS56140684A (en) * 1980-04-02 1981-11-04 Nec Corp Gas laser tube
GB2091481A (en) * 1981-01-17 1982-07-28 Sperry Ltd Getter for Glow Discharge Devices
IL70499A (en) * 1982-12-27 1988-06-30 Litton Systems Inc Laser cathode
US4595377A (en) * 1984-12-10 1986-06-17 Rockwell International Corporation Cold cathode fabrication for ring laser gyroscope

Also Published As

Publication number Publication date
GB2132407A (en) 1984-07-04
FR2595877A1 (en) 1987-09-18
GB2189341A (en) 1987-10-21
CA1255380A (en) 1989-06-06
IT8349566A0 (en) 1983-12-22
DE3346232A1 (en) 1984-07-05
JPS62205676A (en) 1987-09-10
GB8609664D0 (en) 1986-05-29
IL70499A0 (en) 1984-03-30
IT1197763B (en) 1988-12-06
IL70499A (en) 1988-06-30
JPS59132692A (en) 1984-07-30
FR2538610A1 (en) 1984-06-29
GB8334345D0 (en) 1984-02-01
GB2189341B (en) 1990-07-04
FR2538610B1 (en) 1988-11-25
DE3607388A1 (en) 1986-11-06

Similar Documents

Publication Publication Date Title
CS420083A2 (en) Rodenticidni prostredek a zpusob vyroby jeho ucinne latky
CS479083A2 (en) Stribrny katalyzator a zpusob jeho vyroby
CS485883A2 (en) Insekticidni prostredek a zpusob vyroby jeho ucinne latky
CS153183A2 (en) Fungicidni a nebo nematocidni prostredek a zpusob pripravy ucinne latky
GB2125612B (en) Flowing-gas laser
CS422683A2 (en) Insekticidni prostredek a zpusob jeho vyroby
CS654283A2 (en) Herbicidni prostredek a zpusob vyroby ucinne slozky
GB2132407B (en) A laser cathode
CS650183A2 (en) Insekticidni pripravek a zpusob vyroby jeho ucinne slozky
CS463583A2 (en) Herbicidni prostredek a zpusob vyroby ucinne slozky
CS311083A2 (en) Insekticidni a elektroparasiticidni prostredek a zpusob vyroby ucinnych latek
CS585283A2 (en) Drzak noze a zpusob jeho vyroby
CS202483A1 (en) Zpusob vyroby leptanych desek a jejich pouziti
CS286383A2 (en) Insekticidni prostredek a zpusob pripravy jeho ucinne slozky
AU83893S (en) A beam
AU81033S (en) a beam
AU81034S (en) a beam
AU82527S (en) a beam
IL66907A (en) Laser
AU84390S (en) a beam
ZA838495B (en) Anode
CS735082A1 (en) Zppusob izolace pyrokatechinu a jeho homologu z fenolovych smesi
CS721382A1 (en) Zpusob tepelneho zpracovani vyrobku a polotovaru z uhlikovych oceli
CS39282A1 (en) Sposob pripravy farmaceuticky ucinnej latky z propolisu a inych vcelich produktov
CS520482A2 (en) Zpusob zpevnovani a utesnovani hornin

Legal Events

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

Effective date: 19921223