Manufactures laser optics and coatings for ultrahigh damage (to 116 J/cm^(2)) threshold applications. Products include laser etalons, mirrors, beamsplitters, windows, prisms, lenses, waveplates, polarizers, and filters. Specializes in thin-film coatings at 157 nm to 10.6 µm, including excimer, Ti:sapphire, YAG, and COv(2) lasers. Also has OPO and crystal coatings.