GB2278458B - Laser beam converter - Google Patents

Laser beam converter

Info

Publication number
GB2278458B
GB2278458B GB9309423A GB9309423A GB2278458B GB 2278458 B GB2278458 B GB 2278458B GB 9309423 A GB9309423 A GB 9309423A GB 9309423 A GB9309423 A GB 9309423A GB 2278458 B GB2278458 B GB 2278458B
Authority
GB
United Kingdom
Prior art keywords
laser beam
beam converter
converter
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 - Fee Related
Application number
GB9309423A
Other versions
GB2278458A8 (en
GB2278458A (en
GB9309423D0 (en
Inventor
David Allan Peplar
Colin Nicholas Danson
Ian Norman Ross
Richard Mark Stevenson
Thomas Henry Bett
Michael James Norman
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.)
SCIENCE AND ENGINEERING RESEAR
UK Secretary of State for Defence
Original Assignee
SCIENCE AND ENGINEERING RESEAR
UK Secretary of State for Defence
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
Publication of GB2278458A8 publication Critical patent/GB2278458A8/en
Application filed by SCIENCE AND ENGINEERING RESEAR, UK Secretary of State for Defence filed Critical SCIENCE AND ENGINEERING RESEAR
Priority to GB9309423A priority Critical patent/GB2278458B/en
Publication of GB9309423D0 publication Critical patent/GB9309423D0/en
Publication of GB2278458A publication Critical patent/GB2278458A/en
Application granted granted Critical
Publication of GB2278458B publication Critical patent/GB2278458B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B27/0944—Diffractive optical elements, e.g. gratings, holograms
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/188—Plurality of such optical elements formed in or on a supporting substrate
    • G02B5/1885—Arranged as a periodic array
GB9309423A 1993-05-07 1993-05-07 Laser beam converter Expired - Fee Related GB2278458B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9309423A GB2278458B (en) 1993-05-07 1993-05-07 Laser beam converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9309423A GB2278458B (en) 1993-05-07 1993-05-07 Laser beam converter

Publications (4)

Publication Number Publication Date
GB2278458A8 GB2278458A8 (en)
GB9309423D0 GB9309423D0 (en) 1993-06-23
GB2278458A GB2278458A (en) 1994-11-30
GB2278458B true GB2278458B (en) 1996-09-11

Family

ID=10735090

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309423A Expired - Fee Related GB2278458B (en) 1993-05-07 1993-05-07 Laser beam converter

Country Status (1)

Country Link
GB (1) GB2278458B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6072631A (en) 1998-07-09 2000-06-06 3M Innovative Properties Company Diffractive homogenizer with compensation for spatial coherence
GB9922082D0 (en) * 1999-09-17 1999-11-17 Isis Innovation Laser apparatus for use in material processing
CN109581682B (en) * 2019-01-15 2020-07-07 四川大学 Rapid light beam smoothing method based on light beam dynamic interference pattern in inertial confinement fusion device

Also Published As

Publication number Publication date
GB2278458A8 (en)
GB2278458A (en) 1994-11-30
GB9309423D0 (en) 1993-06-23

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080507