GB1329304A - Arrangement of systems of doubly refracting crystals to reduce aberration - Google Patents

Arrangement of systems of doubly refracting crystals to reduce aberration

Info

Publication number
GB1329304A
GB1329304A GB1329304DA GB1329304A GB 1329304 A GB1329304 A GB 1329304A GB 1329304D A GB1329304D A GB 1329304DA GB 1329304 A GB1329304 A GB 1329304A
Authority
GB
United Kingdom
Prior art keywords
crystal
crystals
systems
arrangement
doubly refracting
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
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.)
Robotron VEB
Original Assignee
Robotron VEB
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 Robotron VEB filed Critical Robotron VEB
Publication of GB1329304A publication Critical patent/GB1329304A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/29—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 for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

1329304 Systems of doubly refracting crystals KOMBINAT ROBOTRON VEB 17 Sept 1970 44528/70 Heading G2J In a modification of the arrangement of doubly refracting crystals for reducing aperture aberration in digital light deflection systems disclosed in patent Specification 1266231, crystal 6 is turned through +90 degrees in relation to crystal 2 and crystal 7 is turned through -90 degrees in relation to crystal 3 about the system axis 4, the position of crystal 6 with respect to crystal 3 being 180 degrees about the system axis such that the light deflection of crystal 6 is of the same magnitude as that of crystal 3 but in the opposite direction in relation to the system axis. The crystals of the two systems may be of the same or different material. If of different material, the crystals on one system have deviating parameters but the same aperture abberration relative to the crystals of the other system.
GB1329304D 1970-09-17 1970-09-17 Arrangement of systems of doubly refracting crystals to reduce aberration Expired GB1329304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4452870 1970-09-17

Publications (1)

Publication Number Publication Date
GB1329304A true GB1329304A (en) 1973-09-05

Family

ID=10433725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1329304D Expired GB1329304A (en) 1970-09-17 1970-09-17 Arrangement of systems of doubly refracting crystals to reduce aberration

Country Status (1)

Country Link
GB (1) GB1329304A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378335A (en) * 2001-08-03 2003-02-05 Roke Manor Research Bistatic target position determination

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378335A (en) * 2001-08-03 2003-02-05 Roke Manor Research Bistatic target position determination
GB2378335B (en) * 2001-08-03 2005-09-28 Roke Manor Research Method of determining the position of a target

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Legal Events

Date Code Title Description
PS Patent sealed
CSNS Application of which complete specification have been accepted and published, but patent is not sealed