Suprasil® CG

Suprasil^® CG is a high purity synthetic fused silica material manufactured by flame hydrolysis. It combines excellent physical properties with very good optical characteristics and excellent transmission from the deep UV to the near IR.

n_C = 1,45637 bei 656,3 nm
n_d = 1,45846 bei 587,6 nm
n_F = 1,46313 bei 486,1 nm
n_g = 1,46669 bei 435,8 nm
n = 1,50855 bei 248 nm
At 20°C, 1 bar atmospheric pressure
Accuracy: ± 3 x 10 ^-5

Minimum order length
Ø 140,00 mm (±10,00 mm) - 200 mm or a multiple thereof

Ø 320,00 mm (±15,00 mm) - 100 mm or a multiple thereof

Ø 650,00 mm (± 5,00 mm) - 200 mm

AL≤10 - Ca≤15 - k≤10 - Na≤10 - Mg≤5 - Li≤1 - Cu≤3
Fe≤5 - Ni≤1 - Cr≤1 - Mn≤2 - Ti≤5 - - - - OH (ppm) 400-1000

Mean specific heat (Jkg ∙ K)
0 ... 100°C --- 772

0 ... 500°C --- 964

0 ... 900°C --- 1052

Heat conductivity (W/m ∙ K)
20°C - 1,38

100°C - 1,46

200°C - 1,55

300°C - 1,67

400°C - 1,84

950°C - 2,68

Mean expansion coefficient (K^-1)
-50 ... 0°C - - - 2,7 ∙ 10^-7

0 ... 100°C - - - 5,1 ∙ 10^-7

0 ... 200°C - - - 5,8 ∙ 10^-7

0 ... 300°C - - - 5,9 ∙ 10^-7

0 ... 600°C - - - 5,4 ∙ 10^-7

0 ... 900°C - - - 4,8 ∙ 10^-7