According to one or more embodiments described herein, a coated article may comprise: a transparent substrate having a major surface, the major surface comprising a textured or rough surface inducing light scattering; and an optical coating disposed on the major surface of the transparent substrate and forming an air-side surface, the optical coating comprising one or more layers of material, the optical coating having a physical thickness of greater than 300 nm, wherein the coated article exhibits a maximum hardness of about 10 GPa or greater as measured on the air-side surface by a Berkovich Indenter Hardness Test along an indentation depth of about 50 nm or greater.

A medical glass container, a coat is formed on at least a part of an inner wall of the glass container, wherein the coat is a diamond-like carbon film that does not contain silicon.

The invention concerns a method for producing an optical article suitable for edging comprising an antifouling layer on which there is deposited a temporary overlayer for assisting with edging, comprising: depositing, on an optical substrate, an organic antifouling layer comprising at least a fluorinated polymer compound comprising hydrolysable functions; and depositing, on the antifouling layer, an overlayer for assisting with edging, of mineral nature, comprising one or more metal fluorides and/or one or more metal oxides or hydroxides; method characterised in that it further comprises a step of accelerated grafting of the antifouling layer chosen from: (a) a treatment of the deposited antifouling layer in a humid atmosphere of the deposited antifouling layer and (b) a catalytic treatment in the acidic or basic vapour phase of the deposited antifouling layer.

A method of manufacture of a coated glazing includes the following steps in sequence a) providing a transparent glass substrate, b) etching a surface of the substrate with an acidic gas, and c) directly or indirectly coating said surface with at least one layer based on a transparent conductive coating (TCC) and/or at least one layer based on a material with a refractive index of at least 1.75.

A method of manufacture of a coated glazing includes the following steps in sequence a) providing a transparent glass substrate, b) etching a surface of the substrate with an acidic gas, and c) directly or indirectly coating said surface with at least one layer based on a transparent conductive coating (TCC) and/or at least one layer based on a material with a refractive index of at least 1.75.

Optically transparent articles and structures that include or are otherwise disposed on a substantially transparent substrate. These articles and structures also include a stack of N (N>2) bi-layers on the substrate, the stack having a thickness of at least 5 nm. Each bi-layer is defined by (a) a first layer; and (b) a second layer disposed on the first layer, the layers having at least one of different compositions and different microstructures. The stack has a stack refractive index between about 1.2 and about 2.2 or between about 100% and about 150% of a refractive index of the substrate, and a stack hardness of 15 GPa or greater when measured with a Berkovich Indenter Hardness Test along an indentation depth in the range from about 10% to about 50% of the thickness of the stack disposed on a glass test substrate having a hardness between 6.5 and 8 GPa.

An antireflection film is provided on a substrate and includes an interlayer, a silver-containing metal layer containing silver, and a dielectric layer, which are laminated in this order on a side of a substrate, in which the interlayer is a multilayer film having at least two layers in which a layer of high refractive index having a relatively high refractive index and a layer of lower refractive index having a relatively low refractive index are alternately laminated, the dielectric layer has a surface exposed to air, and the dielectric layer is a multilayer film including a silicon-containing oxide layer, a magnesium fluoride layer, and an adhesion layer provided between the silicon-containing oxide layer and the magnesium fluoride layer and configured to increase adhesiveness between the silicon-containing oxide layer and the magnesium fluoride layer.

Provided is a chalcogenide glass material having excellent weather resistance and being suitable as an optical element for an infrared sensor. The chalcogenide glass material contains, in terms of % by mole, 20 to 99% Te and has an antireflection film formed thereon.

An optical member includes: a dielectric multilayer film that is disposed on a substrate and comprises an uppermost layer and an immediately lower layer, wherein the immediately lower layer contains at least one of SiO.sub.2, MgF.sub.2 and Al.sub.2O.sub.3; and the uppermost layer is a metal oxide layer containing SiO.sub.2 as a main component and at least one of Cr and Ti.

A method of manufacture of a coated glazing includes the following steps in sequence a) providing a transparent glass substrate, b) etching a surface of the substrate with an acidic gas, and c) directly or indirectly coating said surface with at least one layer based on a transparent conductive coating (TCC) and/or at least one layer based on a material with a refractive index of at least 1.75.