Processing

Please wait...

Settings

Settings

Goto Application

1. WO1985000083 - IMPROVEMENTS IN OR RELATING TO OPTICAL BEAM SPLITTERS

Publication Number WO/1985/000083
Publication Date 03.01.1985
International Application No. PCT/GB1984/000202
International Filing Date 13.06.1984
IPC
G02B 27/00 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/-G02B26/119
H04N 9/097 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
04Picture signal generators
09with more than one pick-up device
097Optical arrangements associated therewith, e.g. for beam-splitting, for colour correction
CPC
G02B 27/0018
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
0018with means for preventing ghost images
H04N 9/097
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
9Details of colour television systems
04Picture signal generators
09with more than one pick-up device
097Optical arrangements associated therewith, e.g. for beam-splitting, for colour correction
Applicants
  • KODAK LIMITED [GB]/[GB] (GB)
  • EASTMAN KODAK COMPANY [US]/[US] (DE, FR, GB, JP)
Inventors
  • WATT, Peter, Bernard
  • SHARMAN, Richard, Arthur
Agents
  • PEPPER, J., H.
Priority Data
831640216.06.1983GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPROVEMENTS IN OR RELATING TO OPTICAL BEAM SPLITTERS
(FR) AMELIORATIONS RELATIVES A DES SEPARATEURS DE RAYONS OPTIQUES
Abstract
(EN)
An optical beam splitter which removes aberrations such as coma and transverse chromatic aberration by subjecting all transmitted rays to equal and opposite amounts of induction of coma and transverse chromatic aberration, by curing residual astigmatism by providing a terminal astigmatism correcting lens in each transmitted ray path, and by avoiding ghost images by ensuring adequate separation between the main image and any ghost images. The splitter thus permits the use of high resolution, low sensitivity, linear charge coupled devices in image analysis.
(FR)
Séparateur de rayons optiques éliminant des aberrations telles que le coma et l'aberration chromatique transversale, en soumettant tous les rayons transmis à des quantités égales et opposées d'induction de coma et d'aberration chromatique transversale, en réduisant l'astigmatisme résiduel en disposant une lentille terminale de correction d'astimagtisme dans chaque cheminement de rayon transmis, et en évitant des images fantômes en assurant une séparation adéquate entre l'image principale et toute image fantôme. Ce séparateur permet l'utilisation de dispositifs à couplage de charge linéaires à haute définition et faible sensibilité dans l'analyse d'image.
Also published as
Latest bibliographic data on file with the International Bureau