A trademarked product of Heraeus. Spectrosil® is an ultra-high purity synthetic fused silica manufactured using a patented, environmentally friendly process.

With various grades available according to application, Spectrosil® benefits from high homogeneity derived from its exceptional purity and being almost entirely free of bubbles and inclusions.  This leads to exceptional optical transmission in the deep ultraviolet and visible ranges.

Also being chlorine-free results in outstanding resistance to laser damage.