Information On Dichroic Glass

Have you ever wondered about the meaning of Dichroic glass and how it was made? Dichroic glass is a multi-layer coating placed on either black or clear glass using a highly technical vacuum deposition process.

Quartz crystal and metal oxides are evaporated by the electron beam gun in the airless vacuum chamber and the vapor then floats upward and condenses on the glass surface in the form of a crystal structure.

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Dichroic coatings transmit certain wavelengths of light while reflecting others, thereby creating the same effect as iridescence observed in fire opal, dragonfly wings and plumage.

Dichroic glass has two primary colors and many other secondary colors. The transmitted color is seen when holding the glass directly at the light and the reflected color is seen when the glass is placed against a dark background. As glass is moved around, many other colors will look.

The resulting plate of dichroic glass can then be fused with other glass in multiple firings. Certain wavelengths of light will either pass through or be reflected, causing an array of color becomes visible. Due to variations in the firing process, individual results can never be precisely reproduced.

With the play of light together with vibrant color, dichroic glass is the primary tool used to add interest to any project. Because there are many different colors, patterns, and textures, glass artists have unlimited design opportunities.