IMPROVED IR COATINGS AND METHODS

摘要

A lamp burner having a quartz body comprising a light emitting chamber intermediate a pair of end portions. A filament may be positioned within the light emitting chamber and a multilayer optical coating provided on at least a portion of the body. The coating may comprise a plurality of layers of a first material comprising silica, a plurality of layers of a second material comprising rutile titanium dioxide, and a plurality of layers of a third material having an index of refraction intermediate the indices of refraction of the layers of first material and the layers of second material.