NL7503848A - DEVICE FOR LIGHT COMPENSATION TO PROVIDE ALMOST UNIFORM DISTRIBUTION OF LIGHT OVER AN OUTPUT OPENING. - Google Patents

DEVICE FOR LIGHT COMPENSATION TO PROVIDE ALMOST UNIFORM DISTRIBUTION OF LIGHT OVER AN OUTPUT OPENING.

Info

Publication number
NL7503848A
NL7503848A NL7503848A NL7503848A NL7503848A NL 7503848 A NL7503848 A NL 7503848A NL 7503848 A NL7503848 A NL 7503848A NL 7503848 A NL7503848 A NL 7503848A NL 7503848 A NL7503848 A NL 7503848A
Authority
NL
Netherlands
Prior art keywords
light
uniform distribution
output opening
compensation
light over
Prior art date
Application number
NL7503848A
Other languages
Dutch (nl)
Original Assignee
Environmental Res & Tech
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 Res & Tech filed Critical Environmental Res & Tech
Publication of NL7503848A publication Critical patent/NL7503848A/en

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)
  • Optical Elements Other Than Lenses (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Optical Communication System (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Light Guides In General And Applications Therefor (AREA)
NL7503848A 1974-04-05 1975-04-01 DEVICE FOR LIGHT COMPENSATION TO PROVIDE ALMOST UNIFORM DISTRIBUTION OF LIGHT OVER AN OUTPUT OPENING. NL7503848A (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
NL7503848A true NL7503848A (en) 1975-10-07

Family

ID=27038869

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7503848A NL7503848A (en) 1974-04-05 1975-04-01 DEVICE FOR LIGHT COMPENSATION TO PROVIDE ALMOST UNIFORM DISTRIBUTION OF LIGHT OVER AN OUTPUT OPENING.

Country Status (5)

Country Link
JP (1) JPS50137553A (en)
DE (1) DE2514191A1 (en)
FR (1) FR2274937A1 (en)
GB (3) GB1489804A (en)
NL (1) NL7503848A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392405A1 (en) * 1976-06-03 1978-12-22 Labo Cent Telecommunicat Communications system optical mixer - has uniform division of input through transparent walled cylinder constructed according to given mathematical relationship
DE2952209C2 (en) * 1979-12-22 1984-03-15 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Arrangement for point-by-point and line-by-line recording of image information
RU2011119463A (en) * 2008-10-16 2012-11-27 Конинклейке Филипс Электроникс Н.В. LIGHTING DEVICE EXECUTED WITH THE POSSIBILITY OF MIXING THE LIGHT FROM THE FIRST AND SECOND LIGHT-EMISSING DEVICES
CN113805404B (en) * 2021-11-17 2022-02-18 滨州学院 Uniform lighting device for line scanning photoelectric imaging

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 (en) * 1966-01-13 1969-09-08
DE1954802B1 (en) * 1969-10-31 1971-03-04 Jenaer Glaswerk Schott & Gen Optical stray light filter and process for its manufacture

Also Published As

Publication number Publication date
DE2514191A1 (en) 1975-10-16
FR2274937B1 (en) 1982-03-05
GB1489804A (en) 1977-10-26
GB1489805A (en) 1977-10-26
FR2274937A1 (en) 1976-01-09
GB1489806A (en) 1977-10-26
JPS50137553A (en) 1975-10-31

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BT A document has been added to the application laid open to public inspection
BC A request for examination has been filed
BV The patent application has lapsed