A transparent or translucent inorganic material with a high transmission in the wavelength range of 2700 to 3300 nm.

摘要

transparent or by inorganic material, particularly a glass ceramic and / or a composite material with a low middle thermal lu00e4ngenausdehnungs coefficients space and expanded in the range of 1 x 10 - 6 to + 2 x 10-6 k-1 with the composition (mass%) of li2o 2.5 to 6.0, na2o 0 4.0, k20 0 4.0, na2o + k20 0.2 - 4.0, mgo, 0 0 3.0 3.0, zno, bao, 0 to 3.5, cao 0 - 1.0sro 0 - 1.0, al2o3 sio2 18, 28, 50, 70, has analyzed nanostructured tio2 1.0 7.0, zro2 0, 3.5, has analyzed nanostructured tio2 + zro2 1.0 7.0, p2o5 0 8.0, with colouring components (% by weight) as v2o5 0 2.0, cr2o3 0 0 2.0 2.0, mno, curve 0 - 2.0, coo (- 2.0, j rtd info 0 2.0, $a.with the usual lu00e4utermitteln as as2o3, sb2o3, nacl and ce2o3 with hochquarz and / or keatit - mixed crystals as a major crystal phase, which has adjustable transmission and, in particular, for the production of plates, pipes or fittings is suitable, and the inorganic m material a water content of small 0.03 mol / l level.