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GB2630118B - Hologram processing - Google Patents

Hologram processing Download PDF

Info

Publication number
GB2630118B
GB2630118B GB2307419.8A GB202307419A GB2630118B GB 2630118 B GB2630118 B GB 2630118B GB 202307419 A GB202307419 A GB 202307419A GB 2630118 B GB2630118 B GB 2630118B
Authority
GB
United Kingdom
Prior art keywords
hologram processing
hologram
processing
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.)
Active
Application number
GB2307419.8A
Other versions
GB2630118A (en
GB202307419D0 (en
Inventor
Christmas Jamieson
Lin Ruisheng
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.)
Envisics Ltd
Original Assignee
Envisics 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 Envisics Ltd filed Critical Envisics Ltd
Priority to GB2307419.8A priority Critical patent/GB2630118B/en
Publication of GB202307419D0 publication Critical patent/GB202307419D0/en
Priority to PCT/EP2024/062860 priority patent/WO2024235824A1/en
Publication of GB2630118A publication Critical patent/GB2630118A/en
Application granted granted Critical
Publication of GB2630118B publication Critical patent/GB2630118B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2249—Holobject properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2294—Addressing the hologram to an active spatial light modulator
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • G03H1/0808—Methods of numerical synthesis, e.g. coherent ray tracing [CRT], diffraction specific
    • G03H2001/0825—Numerical processing in hologram space, e.g. combination of the CGH [computer generated hologram] with a numerical optical element
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
    • G03H2001/2207—Spatial filter, e.g. for suppressing higher diffraction orders
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/22—Processes or apparatus for obtaining an optical image from holograms
    • G03H1/2202—Reconstruction geometries or arrangements
    • G03H2001/2236—Details of the viewing window
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/40—Synthetic representation, i.e. digital or optical object decomposition
    • G03H2210/45—Representation of the decomposed object
    • G03H2210/452—Representation of the decomposed object into points
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/13—Phase mask
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2225/00—Active addressable light modulator
    • G03H2225/30—Modulation
    • G03H2225/32—Phase only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
GB2307419.8A 2023-05-18 2023-05-18 Hologram processing Active GB2630118B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2307419.8A GB2630118B (en) 2023-05-18 2023-05-18 Hologram processing
PCT/EP2024/062860 WO2024235824A1 (en) 2023-05-18 2024-05-09 Light engine, method for processing a hologram and diffractive structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2307419.8A GB2630118B (en) 2023-05-18 2023-05-18 Hologram processing

Publications (3)

Publication Number Publication Date
GB202307419D0 GB202307419D0 (en) 2023-07-05
GB2630118A GB2630118A (en) 2024-11-20
GB2630118B true GB2630118B (en) 2025-05-07

Family

ID=86949182

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2307419.8A Active GB2630118B (en) 2023-05-18 2023-05-18 Hologram processing

Country Status (2)

Country Link
GB (1) GB2630118B (en)
WO (1) WO2024235824A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114859679A (en) * 2022-04-19 2022-08-05 华中科技大学 Holographic wavefront printing system and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7911513B2 (en) * 2007-04-20 2011-03-22 General Instrument Corporation Simulating short depth of field to maximize privacy in videotelephony
GB2509180B (en) 2012-12-21 2015-04-08 Two Trees Photonics Ltd Projector
CN109564403B (en) * 2016-05-18 2021-05-28 视瑞尔技术公司 Method for generating holograms
KR102892299B1 (en) * 2021-03-22 2025-11-26 삼성전자주식회사 Holographic display system and method for generating hologram by compensating for aberration of holographic display device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114859679A (en) * 2022-04-19 2022-08-05 华中科技大学 Holographic wavefront printing system and method

Also Published As

Publication number Publication date
WO2024235824A1 (en) 2024-11-21
GB2630118A (en) 2024-11-20
GB202307419D0 (en) 2023-07-05

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