FR2824399B1 - REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS - Google Patents

REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS

Info

Publication number
FR2824399B1
FR2824399B1 FR0105953A FR0105953A FR2824399B1 FR 2824399 B1 FR2824399 B1 FR 2824399B1 FR 0105953 A FR0105953 A FR 0105953A FR 0105953 A FR0105953 A FR 0105953A FR 2824399 B1 FR2824399 B1 FR 2824399B1
Authority
FR
France
Prior art keywords
cassegrain
extensible
variants
realization
type telescope
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
FR0105953A
Other languages
French (fr)
Other versions
FR2824399A1 (en
Inventor
Grill Yves Jean Le
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 FR0105953A priority Critical patent/FR2824399B1/en
Publication of FR2824399A1 publication Critical patent/FR2824399A1/en
Application granted granted Critical
Publication of FR2824399B1 publication Critical patent/FR2824399B1/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
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0694—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror with variable magnification or multiple imaging planes, including multispectral systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Telescopes (AREA)
FR0105953A 2001-05-04 2001-05-04 REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS Expired - Fee Related FR2824399B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0105953A FR2824399B1 (en) 2001-05-04 2001-05-04 REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0105953A FR2824399B1 (en) 2001-05-04 2001-05-04 REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS

Publications (2)

Publication Number Publication Date
FR2824399A1 FR2824399A1 (en) 2002-11-08
FR2824399B1 true FR2824399B1 (en) 2003-10-03

Family

ID=8862962

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0105953A Expired - Fee Related FR2824399B1 (en) 2001-05-04 2001-05-04 REALIZATION OF AN EXTENSIBLE "CASSEGRAIN" TYPE TELESCOPE AND ITS VARIANTS WITH NON-TRADITIONAL REFLECTORS

Country Status (1)

Country Link
FR (1) FR2824399B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8403274D0 (en) * 1984-02-08 1984-03-14 Univ Strathclyde Optical mirrors
FR2662512A1 (en) * 1990-05-28 1991-11-29 Le Grill Yves Method for producing concave reflectors or mirrors under the action of an electric field
WO1997028469A1 (en) * 1996-01-31 1997-08-07 Goulven Vernois Improved telescope
DE19606028A1 (en) * 1996-02-19 1997-08-21 Briggs David Dr Curved mirror production from deformable medium
GB2359374A (en) * 2000-02-16 2001-08-22 Stephen David Faulkner Flexible concave mirror adjustable using a vacuum pump

Also Published As

Publication number Publication date
FR2824399A1 (en) 2002-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20120131