GB2189341B - Lasers - Google Patents

Lasers

Info

Publication number: GB2189341B
Authority: GB; United Kingdom
Prior art keywords: lasers
Prior art date: 1982-12-27
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 - Fee Related

Application number

GB8609664A

Other versions

GB2189341A (en

GB8609664D0 (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.)

1982-12-27

Filing date

1986-04-21

Publication date

1990-07-04

1986-04-21 Application filed by Litton Systems Inc filed Critical Litton Systems Inc

1986-05-29 Publication of GB8609664D0 publication Critical patent/GB8609664D0/en

1987-10-21 Publication of GB2189341A publication Critical patent/GB2189341A/en

1990-07-04 Application granted granted Critical

1990-07-04 Publication of GB2189341B publication Critical patent/GB2189341B/en

2006-04-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Optics & Photonics (AREA)
Lasers (AREA)
Gyroscopes (AREA)

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 GB8609664D0 (en)	1986-05-29
GB2189341A GB2189341A (en)	1987-10-21
GB2189341B true 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

Citations (2)

* 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
GB2132407A (en) *	1982-12-27	1984-07-04	Litton Systems Inc	A laser cathode

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
US4595377A (en) *	1984-12-10	1986-06-17	Rockwell International Corporation	Cold cathode fabrication for ring laser gyroscope

1983
- 1983-12-20 IL IL70499A patent/IL70499A/en unknown
- 1983-12-21 DE DE19833346232 patent/DE3346232A1/en not_active Ceased
- 1983-12-22 IT IT49566/83A patent/IT1197763B/en active
- 1983-12-23 CA CA000444286A patent/CA1255380A/en not_active Expired
- 1983-12-23 FR FR8320670A patent/FR2538610B1/en not_active Expired
- 1983-12-23 GB GB08334345A patent/GB2132407B/en not_active Expired
- 1983-12-27 JP JP58252353A patent/JPS59132692A/en active Pending
1986
- 1986-03-03 JP JP61044319A patent/JPS62205676A/en active Pending
- 1986-03-06 DE DE19863607388 patent/DE3607388A1/en not_active Withdrawn
- 1986-03-12 FR FR8603520A patent/FR2595877A1/en not_active Withdrawn
- 1986-04-21 GB GB8609664A patent/GB2189341B/en not_active Expired - Fee Related

Patent Citations (2)

* 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
GB2132407A (en) *	1982-12-27	1984-07-04	Litton Systems Inc	A laser cathode

Also Published As

Publication number	Publication date
JPS62205676A (en)	1987-09-10
IT8349566A1 (en)	1985-06-22
DE3346232A1 (en)	1984-07-05
JPS59132692A (en)	1984-07-30
GB2189341A (en)	1987-10-21
GB2132407B (en)	1987-08-26
IL70499A0 (en)	1984-03-30
FR2595877A1 (en)	1987-09-18
IL70499A (en)	1988-06-30
IT1197763B (en)	1988-12-06
IT8349566A0 (en)	1983-12-22
FR2538610A1 (en)	1984-06-29
CA1255380A (en)	1989-06-06
GB8334345D0 (en)	1984-02-01
GB2132407A (en)	1984-07-04
GB8609664D0 (en)	1986-05-29
DE3607388A1 (en)	1986-11-06
FR2538610B1 (en)	1988-11-25

Publication	Publication Date	Title
GB2121166B (en)	1985-08-14	Laser alignment
GB2115217B (en)	1986-04-03	Semiconductor lasers
DE3269681D1 (en)	1986-04-10	Mirror
GB2129295B (en)	1986-04-09	Non-foggable mirror
GB2115608B (en)	1985-10-30	Semi-conductor lasers
GB2129203B (en)	1986-06-25	High-power lasers
GB2125612B (en)	1985-12-04	Flowing-gas laser
AR242637A1 (en)	1993-04-30	Staking-machine
GB2143075B (en)	1987-12-09	Lasers
GB2189341B (en)	1990-07-04	Lasers
GB2120838B (en)	1985-11-27	Ion lasers
GB2368215B (en)	2002-08-21	Ranging
IL66907A0 (en)	1983-03-31	Laser
EP0110872A3 (en)	1985-07-10	Hypsometer i
CA50163S (en)	1982-08-30	Skillet-oven
CA50660S (en)	1982-12-20	Gamesboard
SU1195874A1 (en)	1994-08-30	Laser agent
SU1104980A1 (en)	1995-02-20	Integral drive-generator
PHUM5931Z (en)	1985-11-06	Combination harrow-leveler
AU88045S (en)	1984-01-12	Mirror
AU88266S (en)	1984-02-09	Boardgame
AU87355S (en)	1983-07-18	Phoneclip
BG45685A1 (en)	1989-07-14	Rc- generator
CS1006282A1 (en)	1984-03-20	Sposob usmernenej dediferenciacnej transformacie bobovitych rastlin
CS1002882A1 (en)	1985-05-15	Ochrana vysokofrekvencnich rozvodu

Legal Events

Date	Code	Title	Description
1993-12-15	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930421