GB648746A - Improvements in or relating to rotation-symmetrical optical systems - Google Patents

Improvements in or relating to rotation-symmetrical optical systems

Info

Publication number
GB648746A
GB648746A GB23428/46A GB2342846A GB648746A GB 648746 A GB648746 A GB 648746A GB 23428/46 A GB23428/46 A GB 23428/46A GB 2342846 A GB2342846 A GB 2342846A GB 648746 A GB648746 A GB 648746A
Authority
GB
United Kingdom
Prior art keywords
relating
rotation
optical systems
symmetrical optical
symmetrical
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
Application number
GB23428/46A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB648746A publication Critical patent/GB648746A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0884—Catadioptric systems having a pupil corrector
    • G02B17/0888—Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
GB23428/46A 1942-11-11 1946-08-07 Improvements in or relating to rotation-symmetrical optical systems Expired GB648746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL648746X 1942-11-11

Publications (1)

Publication Number Publication Date
GB648746A true GB648746A (en) 1951-01-10

Family

ID=19791992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23428/46A Expired GB648746A (en) 1942-11-11 1946-08-07 Improvements in or relating to rotation-symmetrical optical systems

Country Status (1)

Country Link
GB (1) GB648746A (en)

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