Optical: systems and elements – Light interference – Electrically or mechanically variable
Patent
1991-11-20
1993-09-14
Arnold, Bruce Y.
Optical: systems and elements
Light interference
Electrically or mechanically variable
359582, 359589, 359885, G02B 528
Patent
active
052454746
ABSTRACT:
The optical filter device comprises a stack of thin layers exhibiting a sequences h and g which defines a fractal organization. This device makes it possible to obtain spectrum lines which are extremely fine and very well resolved.
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Furman et al., "A Method for Achieving High Transmittances of Cutoff Interference Filters in a Given Spectral Range" Soviet J. Opt. Technol. (USA) vol. 36, No. 5, Sep.-Oct. 1969 pp. 647-648.
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Blanc; "New Interference Filters for the Weak ultraviolet" optica acta, 1980, vol. 27, No. 9 pp. 1313-1325.
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Applied Optics, vol. 26, n.degree.20, Octobre 15, 1987, pp. 4487-4490, Optical Society of America, N.Y. US; H. G. Lutz: "Computer-Aided Multilayer design of Optical filters with wide tansmittance bands using SiO2 and TiO2".
Chabassier Genevieve
Gabriagues Jean-Michael
Heliodore Frederic
Le Mehaute Alain
Mouchart Jacques
Arnold Bruce Y.
Compagnie Generale D'Electricite
Shafer R. D.
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