FR2290060A1 - Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance - Google Patents

Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance

Info

Publication number
FR2290060A1
FR2290060A1 FR7435936A FR7435936A FR2290060A1 FR 2290060 A1 FR2290060 A1 FR 2290060A1 FR 7435936 A FR7435936 A FR 7435936A FR 7435936 A FR7435936 A FR 7435936A FR 2290060 A1 FR2290060 A1 FR 2290060A1
Authority
FR
France
Prior art keywords
liq
laser beam
filter medium
set value
focussing
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
FR7435936A
Other languages
English (en)
French (fr)
Other versions
FR2290060B1 (Direct
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
Priority to FR7435936A priority Critical patent/FR2290060A1/fr
Publication of FR2290060A1 publication Critical patent/FR2290060A1/fr
Application granted granted Critical
Publication of FR2290060B1 publication Critical patent/FR2290060B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/3511—Self-focusing or self-trapping of light; Light-induced birefringence; Induced optical Kerr-effect
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/10—Nuclear fusion reactors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lasers (AREA)
FR7435936A 1974-10-28 1974-10-28 Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance Granted FR2290060A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7435936A FR2290060A1 (fr) 1974-10-28 1974-10-28 Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435936A FR2290060A1 (fr) 1974-10-28 1974-10-28 Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance

Publications (2)

Publication Number Publication Date
FR2290060A1 true FR2290060A1 (fr) 1976-05-28
FR2290060B1 FR2290060B1 (Direct) 1978-08-11

Family

ID=9144470

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435936A Granted FR2290060A1 (fr) 1974-10-28 1974-10-28 Systeme permettant d'eliminer les surintensites dans les faisceaux lasers de grande puissance

Country Status (1)

Country Link
FR (1) FR2290060A1 (Direct)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2290060B1 (Direct) 1978-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse