Low color purity, anti-reflection coatings for transparent glazi

Details Low color purity, anti-reflection coatings for transparent glazi Low color purity, anti-reflection coatings for transparent glazi

1991-10-07

1993-03-16

Arnold, Bruce Y.

Optical: systems and elements

Light interference

Produced by coating or lamina

359586, 359588, G02B 110

Patent

active

051949903

ABSTRACT:
Three-layer, low color purity, anti-reflection coatings reduce the reflection of visible light rays and display a low color purity when glazings carrying such coatings are oriented at high angles of incidence with respect to a source of visible light. The reflectances are comparable and the color purity values are lower for such glazings, when compared with conventional glazings coated with 1/4-178 -174 wavelength anti-reflection coatings.

REFERENCES:
patent: 2478385 (1949-08-01), Gaiser
patent: 3185020 (1965-05-01), Thelen
patent: 3604784 (1971-09-01), Louderback
patent: 3712711 (1973-01-01), Adachi et al.
patent: 3934961 (1976-01-01), Itoh et al.
patent: 4387960 (1983-06-01), Tani
patent: 4771167 (1988-09-01), Boulos et al.
Thetford, A., "A Method of Designing Three-Layer Anti-Reflection Coatings," Optica Acta, vol. 16, No. 1 (1969) pp. 37-43.
Turbadar, T., "Equi-Reflections Contours of Triple-Layer Anti-Reflection Coatings," Applied Optics Section, Imperial College, London (1964) pp. 195-205.

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