Custom wire wrapped Dichroic Glass with beautiful coloration, we have a friend whom used to work at NASA that actually is doing our dichroic glass and we are honored... wire wrapped in sterling silver .935 wire.. size 39mm x 13mm or 1 9/16 inches x 1/2 inch. check out the video: https://www.youtube.com/watch?v=2C4lvAqoqZ0
Dichroic glass has been around sense at least the 4th century AD as seen in the Lycurgus cup. There are different ways to achieve the dichroic effect in glass but nothing like the new high tech Dichroic filters NASA had developed for space exploration. Instead of infusing/mixing the glass with metals like they did to make the Lycurgus cup (the glass it is self has the Dichroic effect), it has multiple ultra-thin layers of metals (gold and silver) that are vacuum deposited on one side the glass surface in the form of a crystal structure. The angle of the glass within the vacuum chamber determines the color. In actuality, there is no color produced. What you are seeing is pure light manipulation at its finest. The result of this process is a glass that transmits one color and reflects another with incredible life and brilliance. Dichroic glass is glass containing multiple micro-layers of metals or oxides which give the glass dichroic optical properties. The main characteristic of dichroic glass is that it has a particular transmitted color and a completely different reflected color, as certain wavelengths of light either pass through or are reflected. This causes an array of color to be displayed. The colors shift depending on the angle of view. Dichroic glass is an example of thin-film optics.