GB1321303A - Optical systems - Google Patents

Optical systems

Info

Publication number
GB1321303A
GB1321303A GB1321303DA GB1321303A GB 1321303 A GB1321303 A GB 1321303A GB 1321303D A GB1321303D A GB 1321303DA GB 1321303 A GB1321303 A GB 1321303A
Authority
GB
United Kingdom
Prior art keywords
splitter
reflector
convex
light
concave
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.)
Qioptiq Ltd
Original Assignee
Pilkington PE Ltd
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 Pilkington PE Ltd filed Critical Pilkington PE Ltd
Publication of GB1321303A publication Critical patent/GB1321303A/en
Expired 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Abstract

1321303 Optical apparatus PILKINGTON P E Ltd 28 May 1971 [31 March 1970] 15042/70 Heading G2J An optical system comprises a convex reflector 1, concave reflector means 2 arranged to focus incoming light at or near the convex reflector 1, and to receive light reflected from the convex reflector, a polarization sensitive beam-splitter 3 adapted to transmit light polarized in one direction and to reflect light polarized in the orthogonal plane, and polarization modifying means, e.g. a quarter wave plate 4, disposed between the beam-splitter and the concave reflector means so that light transmitted through the beam-splitter towards the concave reflector means is returned to the splitter polarized for reflection, and light reflected by the beam-splitter is returned polarized for transmission, the beam-splitter 3 and the concave reflector means 2 being so disposed that light travels via the splitter to the concave reflector means and reflected therefrom via the splitter to the convex reflector, and light reflected from the convex reflector travels via the splitter to the concave reflector means, and is reflected therefrom via the splitter to form an outgoing beam. This system may be used in a fog simulation device wherein an image of about unity magnification is produced, and the image is altered at or adjacent the convex reflector, as by a film, or by using a movable or semi-transparent convex reflector, or by lighting the front of the reflector. The concave reflector means may comprise a second concave reflector and quarter wave plate, when a quarter wave plate is provided between the splitter and the convex reflector Fig.2, (not shown). A second beam-splitter and a cube-corner reflector may also be provided Fig.3, (not shown), together with a doublet lens to correct spherical abberation of the mirror system.
GB1321303D 1970-03-31 1970-03-31 Optical systems Expired GB1321303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1504270 1970-03-31

Publications (1)

Publication Number Publication Date
GB1321303A true GB1321303A (en) 1973-06-27

Family

ID=10052030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1321303D Expired GB1321303A (en) 1970-03-31 1970-03-31 Optical systems

Country Status (1)

Country Link
GB (1) GB1321303A (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402219A1 (en) * 1977-08-29 1979-03-30 Farrand Optical Co Inc OPTICAL IMAGE TRAINING DEVICE
EP0011024A1 (en) * 1978-11-07 1980-05-14 Thomson-Csf Helmet mounted visualization system
EP0296710A3 (en) * 1987-06-23 1989-10-25 Kaiser Aerospace And Electronics Corporation Heads-up display combiner utilizing a cholesteric liquid crystal element
WO1990000262A1 (en) * 1988-07-01 1990-01-11 Robert Bosch Gmbh Arrangement for head-up displays of motor vehicles
US4900133A (en) * 1988-10-27 1990-02-13 Kaiser Electronics Heads-up display combiner utilizing a cholesteric liquid crystal element
US5212593A (en) * 1992-02-06 1993-05-18 Svg Lithography Systems, Inc. Broad band optical reduction system using matched multiple refractive element materials
US5251070A (en) * 1991-09-28 1993-10-05 Nikon Corporation Catadioptric reduction projection optical system
FR2698454A1 (en) * 1992-11-26 1994-05-27 Electro Optics Ind Ltd Optical system for overlaying data on a stage.
US5383053A (en) * 1992-04-07 1995-01-17 Hughes Aircraft Company Virtual image display having a high efficiency grid beamsplitter
US5535054A (en) * 1992-03-11 1996-07-09 Nikon Corporation Illumination optical system
US5552934A (en) * 1994-03-18 1996-09-03 Spm Corporation Background reflection-reducing plano-beam splitter for use in real image projecting system
US5715084A (en) * 1992-12-14 1998-02-03 Canon Kabushiki Kaisha Reflection and refraction optical system and projection exposure apparatus using the same
US5764411A (en) * 1990-06-07 1998-06-09 Thorn Emi Plc Apparatus for displaying an image
US5886818A (en) * 1992-12-03 1999-03-23 Dimensional Media Associates Multi-image compositing
US6318868B1 (en) 1997-05-01 2001-11-20 Larussa Joseph A. Interactive virtual image store window
WO2008129539A2 (en) * 2007-04-22 2008-10-30 Lumus Ltd. A collimating optical device and system
EP3371642A4 (en) * 2016-12-02 2018-11-07 Lumus Ltd. Optical system with compact collimating image projector
US10437031B2 (en) 2016-11-08 2019-10-08 Lumus Ltd. Light-guide device with optical cutoff edge and corresponding production methods
US10564417B2 (en) 2016-10-09 2020-02-18 Lumus Ltd. Aperture multiplier using a rectangular waveguide
US10809528B2 (en) 2014-04-23 2020-10-20 Lumus Ltd. Compact head-mounted display system
US10962784B2 (en) 2005-02-10 2021-03-30 Lumus Ltd. Substrate-guide optical device
US11243434B2 (en) 2017-07-19 2022-02-08 Lumus Ltd. LCOS illumination via LOE
US11262587B2 (en) 2018-05-22 2022-03-01 Lumus Ltd. Optical system and method for improvement of light field uniformity
US11415812B2 (en) 2018-06-26 2022-08-16 Lumus Ltd. Compact collimating optical device and system
US11523092B2 (en) 2019-12-08 2022-12-06 Lumus Ltd. Optical systems with compact image projector

Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2402219A1 (en) * 1977-08-29 1979-03-30 Farrand Optical Co Inc OPTICAL IMAGE TRAINING DEVICE
EP0011024A1 (en) * 1978-11-07 1980-05-14 Thomson-Csf Helmet mounted visualization system
FR2441191A1 (en) * 1978-11-07 1980-06-06 Thomson Csf HELMET MOUNTED VIEWING SYSTEM
EP0296710A3 (en) * 1987-06-23 1989-10-25 Kaiser Aerospace And Electronics Corporation Heads-up display combiner utilizing a cholesteric liquid crystal element
US5552935A (en) * 1988-07-01 1996-09-03 Robert Bosch Gmbh Head-up display device for motor vehicles
WO1990000262A1 (en) * 1988-07-01 1990-01-11 Robert Bosch Gmbh Arrangement for head-up displays of motor vehicles
US5566025A (en) * 1988-07-01 1996-10-15 Robert Bosch Gmbh Head-up display device for motor vehicles
US4900133A (en) * 1988-10-27 1990-02-13 Kaiser Electronics Heads-up display combiner utilizing a cholesteric liquid crystal element
US5764411A (en) * 1990-06-07 1998-06-09 Thorn Emi Plc Apparatus for displaying an image
US5251070A (en) * 1991-09-28 1993-10-05 Nikon Corporation Catadioptric reduction projection optical system
US5212593A (en) * 1992-02-06 1993-05-18 Svg Lithography Systems, Inc. Broad band optical reduction system using matched multiple refractive element materials
US5535054A (en) * 1992-03-11 1996-07-09 Nikon Corporation Illumination optical system
US5383053A (en) * 1992-04-07 1995-01-17 Hughes Aircraft Company Virtual image display having a high efficiency grid beamsplitter
FR2698454A1 (en) * 1992-11-26 1994-05-27 Electro Optics Ind Ltd Optical system for overlaying data on a stage.
US5886818A (en) * 1992-12-03 1999-03-23 Dimensional Media Associates Multi-image compositing
US5715084A (en) * 1992-12-14 1998-02-03 Canon Kabushiki Kaisha Reflection and refraction optical system and projection exposure apparatus using the same
US6229647B1 (en) * 1992-12-14 2001-05-08 Canon Kabushiki Kaisha Reflection and refraction optical system and projection exposure apparatus using the same
US6636349B2 (en) 1992-12-14 2003-10-21 Canon Kabushiki Kaisha Reflection and refraction optical system and projection exposure apparatus using the same
US5552934A (en) * 1994-03-18 1996-09-03 Spm Corporation Background reflection-reducing plano-beam splitter for use in real image projecting system
US6318868B1 (en) 1997-05-01 2001-11-20 Larussa Joseph A. Interactive virtual image store window
US10962784B2 (en) 2005-02-10 2021-03-30 Lumus Ltd. Substrate-guide optical device
US8643948B2 (en) 2007-04-22 2014-02-04 Lumus Ltd. Collimating optical device and system
US9740013B2 (en) 2007-04-22 2017-08-22 Lumus Ltd. Collimating optical device and system
US8810914B2 (en) 2007-04-22 2014-08-19 Lumus Ltd. Collimating optical device and system
US8861081B2 (en) 2007-04-22 2014-10-14 Lumus Ltd Collimating optical device and system
US8902503B2 (en) 2007-04-22 2014-12-02 Lumus Ltd. Collimating optical device and system
US9069180B2 (en) 2007-04-22 2015-06-30 Lumus Ltd Collimating optical device and system
US9207457B2 (en) 2007-04-22 2015-12-08 Lumus Ltd. Collimating optical device and system
US9279986B2 (en) 2007-04-22 2016-03-08 Lumus Ltd Collimating optical device and system
US9316832B2 (en) 2007-04-22 2016-04-19 Lumus Ltd. Collimating optical device and system
US9417453B2 (en) 2007-04-22 2016-08-16 Lumus Ltd. Collimating optical device and system
US9448408B2 (en) 2007-04-22 2016-09-20 Lumus Ltd. Collimating optical device and system
US9500869B2 (en) 2007-04-22 2016-11-22 Lumus Ltd. Collimating optical device and system
US9513481B2 (en) 2007-04-22 2016-12-06 Lumus Ltd. Collimating optical device and system
WO2008129539A3 (en) * 2007-04-22 2009-03-12 Lumus Ltd A collimating optical device and system
WO2008129539A2 (en) * 2007-04-22 2008-10-30 Lumus Ltd. A collimating optical device and system
US10809528B2 (en) 2014-04-23 2020-10-20 Lumus Ltd. Compact head-mounted display system
US10908426B2 (en) 2014-04-23 2021-02-02 Lumus Ltd. Compact head-mounted display system
US10564417B2 (en) 2016-10-09 2020-02-18 Lumus Ltd. Aperture multiplier using a rectangular waveguide
US10437031B2 (en) 2016-11-08 2019-10-08 Lumus Ltd. Light-guide device with optical cutoff edge and corresponding production methods
US11378791B2 (en) 2016-11-08 2022-07-05 Lumus Ltd. Light-guide device with optical cutoff edge and corresponding production methods
EP3371642A4 (en) * 2016-12-02 2018-11-07 Lumus Ltd. Optical system with compact collimating image projector
US11243434B2 (en) 2017-07-19 2022-02-08 Lumus Ltd. LCOS illumination via LOE
US11262587B2 (en) 2018-05-22 2022-03-01 Lumus Ltd. Optical system and method for improvement of light field uniformity
US11415812B2 (en) 2018-06-26 2022-08-16 Lumus Ltd. Compact collimating optical device and system
US11523092B2 (en) 2019-12-08 2022-12-06 Lumus Ltd. Optical systems with compact image projector

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee