GB2194672A - Control of large volume gaseous electric discharge system - Google Patents

Control of large volume gaseous electric discharge system

Info

Publication number
GB2194672A
GB2194672A GB08722166A GB8722166A GB2194672A GB 2194672 A GB2194672 A GB 2194672A GB 08722166 A GB08722166 A GB 08722166A GB 8722166 A GB8722166 A GB 8722166A GB 2194672 A GB2194672 A GB 2194672A
Authority
GB
United Kingdom
Prior art keywords
mode
laser
control
electric discharge
large volume
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
GB08722166A
Other versions
GB2194672B (en
Inventor
Alan E Hill
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2194672A publication Critical patent/GB2194672A/en
Priority to GB8923866A priority Critical patent/GB2223123B/en
Application granted granted Critical
Publication of GB2194672B publication Critical patent/GB2194672B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • H05B41/34—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp to provide a sequence of flashes
    • 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

Landscapes

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

Abstract

A control circuit for a laser system having a first and a second power supply (10, 26) connected in parallel. A mode selector (50) is available to the laser operator to change the operational mode of the laser system from continuous to pulse mode or vice versa, and any combination of the modes. In the pulse mode, a series of short-time voltage pulses is superimposed on a low power level laser mode using the circuit control characteristic of the thyratron tube (36) to sharply increase the laser output for the duration of the individual pulses.
GB8722166A 1986-02-18 1987-02-13 Power supply circuit to a laser Expired GB2194672B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8923866A GB2223123B (en) 1986-02-18 1989-10-23 Power supply circuit for a laser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83044986A 1986-02-18 1986-02-18
PCT/US1987/000301 WO1987005161A1 (en) 1986-02-18 1987-02-13 Control of large volume gaseous electric discharge system

Publications (2)

Publication Number Publication Date
GB2194672A true GB2194672A (en) 1988-03-09
GB2194672B GB2194672B (en) 1990-08-01

Family

ID=25257029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8722166A Expired GB2194672B (en) 1986-02-18 1987-02-13 Power supply circuit to a laser

Country Status (6)

Country Link
JP (1) JPS63502471A (en)
CA (1) CA1273403A (en)
DE (1) DE3790086T1 (en)
FR (1) FR2594605B1 (en)
GB (1) GB2194672B (en)
WO (1) WO1987005161A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977040B (en) * 2021-11-16 2023-08-25 昆山华恒焊接股份有限公司 High-frequency pulse current superposition circuit, welding circuit and welding equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532930A (en) * 1967-12-22 1970-10-06 Hughes Aircraft Co Laser control circuit
US3646395A (en) * 1970-05-15 1972-02-29 American Optical Corp High repetition rate laser optical pumping system
US3842365A (en) * 1973-05-30 1974-10-15 Westinghouse Electric Corp Pulse glow generation for laser systems
US4648093A (en) * 1984-09-06 1987-03-03 Coherent, Inc. Power supply for gas discharge lasers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532930A (en) * 1967-12-22 1970-10-06 Hughes Aircraft Co Laser control circuit
US3646395A (en) * 1970-05-15 1972-02-29 American Optical Corp High repetition rate laser optical pumping system
US3842365A (en) * 1973-05-30 1974-10-15 Westinghouse Electric Corp Pulse glow generation for laser systems
US4648093A (en) * 1984-09-06 1987-03-03 Coherent, Inc. Power supply for gas discharge lasers

Also Published As

Publication number Publication date
JPS63502471A (en) 1988-09-14
FR2594605A1 (en) 1987-08-21
GB2194672B (en) 1990-08-01
CA1273403A (en) 1990-08-28
WO1987005161A1 (en) 1987-08-27
FR2594605B1 (en) 1989-05-26
DE3790086T1 (en) 1988-03-10

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Legal Events

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

Effective date: 19930213