GB1489806A - Light equalizer - Google Patents

Light equalizer

Info

Publication number
GB1489806A
GB1489806A GB193976A GB193976A GB1489806A GB 1489806 A GB1489806 A GB 1489806A GB 193976 A GB193976 A GB 193976A GB 193976 A GB193976 A GB 193976A GB 1489806 A GB1489806 A GB 1489806A
Authority
GB
United Kingdom
Prior art keywords
elements
light
mixture
another
stack
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
GB193976A
Other languages
English (en)
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.)
Environmental Research and Technology Inc
ENVIRONMENTAL RES AND Technology
Original Assignee
Environmental Research and Technology Inc
ENVIRONMENTAL RES AND Technology
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
Priority claimed from US458124A external-priority patent/US3887262A/en
Application filed by Environmental Research and Technology Inc, ENVIRONMENTAL RES AND Technology filed Critical Environmental Research and Technology Inc
Publication of GB1489806A publication Critical patent/GB1489806A/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
    • G02B27/30—Collimators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • 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
    • G02B27/40—Optical focusing aids
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Filters (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Communication System (AREA)
GB193976A 1974-04-05 1975-03-21 Light equalizer Expired GB1489806A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45829374A 1974-04-05 1974-04-05
US458124A US3887262A (en) 1974-04-05 1974-04-05 Light equalizer and method of making same

Publications (1)

Publication Number Publication Date
GB1489806A true GB1489806A (en) 1977-10-26

Family

ID=27038869

Family Applications (3)

Application Number Title Priority Date Filing Date
GB193876A Expired GB1489805A (en) 1974-04-05 1975-03-21 Light equalizer
GB1196975A Expired GB1489804A (en) 1974-04-05 1975-03-21 Light equalizer method and making same and optical system using same
GB193976A Expired GB1489806A (en) 1974-04-05 1975-03-21 Light equalizer

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB193876A Expired GB1489805A (en) 1974-04-05 1975-03-21 Light equalizer
GB1196975A Expired GB1489804A (en) 1974-04-05 1975-03-21 Light equalizer method and making same and optical system using same

Country Status (5)

Country Link
JP (1) JPS50137553A (enExample)
DE (1) DE2514191A1 (enExample)
FR (1) FR2274937A1 (enExample)
GB (3) GB1489805A (enExample)
NL (1) NL7503848A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113805404A (zh) * 2021-11-17 2021-12-17 滨州学院 一种用于线扫描光电成像的均匀照明装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392405A1 (fr) * 1976-06-03 1978-12-22 Labo Cent Telecommunicat Dispositif melangeur pour un systeme de communication optique
DE2952209C2 (de) * 1979-12-22 1984-03-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Anordnung zur punkt- und zeilenweisen Aufzeichnung von Bildinformationen
EP2340457A1 (en) * 2008-10-16 2011-07-06 Koninklijke Philips Electronics N.V. Illumination device configured to mix light from a first and a second light emitting device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1642772A (en) * 1923-03-10 1927-09-20 Famous Players Lasky Corp Process of and apparatus for eliminating granular effects in photographic enlargements
US1880414A (en) * 1930-01-03 1932-10-04 Eastman Kodak Co Illuminating system for photographic apparatus
US3202016A (en) * 1962-04-11 1965-08-24 Case Co J I Tractor improvements
US3371978A (en) * 1964-02-12 1968-03-05 North American Aviation Inc Pressure-sensitive optical cell
JPS4421110Y1 (enExample) * 1966-01-13 1969-09-08
DE1954802B1 (de) * 1969-10-31 1971-03-04 Jenaer Glaswerk Schott & Gen Optisches Streulichtfilter und Verfahren zu seiner Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113805404A (zh) * 2021-11-17 2021-12-17 滨州学院 一种用于线扫描光电成像的均匀照明装置
CN113805404B (zh) * 2021-11-17 2022-02-18 滨州学院 一种用于线扫描光电成像的均匀照明装置

Also Published As

Publication number Publication date
JPS50137553A (enExample) 1975-10-31
GB1489804A (en) 1977-10-26
GB1489805A (en) 1977-10-26
DE2514191A1 (de) 1975-10-16
NL7503848A (nl) 1975-10-07
FR2274937A1 (fr) 1976-01-09
FR2274937B1 (enExample) 1982-03-05

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Legal Events

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