GB8609664D0 - Lasers - Google Patents

Lasers

Info

Publication number
GB8609664D0
GB8609664D0 GB868609664A GB8609664A GB8609664D0 GB 8609664 D0 GB8609664 D0 GB 8609664D0 GB 868609664 A GB868609664 A GB 868609664A GB 8609664 A GB8609664 A GB 8609664A GB 8609664 D0 GB8609664 D0 GB 8609664D0
Authority
GB
United Kingdom
Prior art keywords
lasers
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.)
Granted
Application number
GB868609664A
Other versions
GB2189341A (en
GB2189341B (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.)
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 GB8609664D0 publication Critical patent/GB8609664D0/en
Publication of GB2189341A publication Critical patent/GB2189341A/en
Application granted granted Critical
Publication of GB2189341B publication Critical patent/GB2189341B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
GB8609664A 1982-12-27 1986-04-21 Lasers Expired - Fee Related GB2189341B (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
GB8609664D0 true GB8609664D0 (en) 1986-05-29
GB2189341A GB2189341A (en) 1987-10-21
GB2189341B GB2189341B (en) 1990-07-04

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 Before (1)

Application Number Title Priority Date Filing Date
GB08334345A Expired GB2132407B (en) 1982-12-27 1983-12-23 A laser cathode

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
GB2132407B (en) 1987-08-26
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
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

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Legal Events

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

Effective date: 19930421