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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-BAF52 - Schott 2000

 Diagram n (λ)    n calculation    Diagram τ (λ)    τ calculation    Analogue search

  Main parameters
nd = 1.608631
ne = 1.611732
Vd = 46.59
Ve = 46.30
nF - nC = 0.013061
nF' - nC' = 0.013210
Coloring:
0.39 - 0.35 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 1.43903433 C2 = 0.0967046052 C3 = 1.09875818 C4 = 0.00907800128 C5 = 0.050821208 C6 = 105.691856

  Refraction index
n 2.32541.574747
n 1.97011.580666
n 1.52961.587015
n 1.061.593811
n t1.594613
n s1.598009
n r1.602542
n C1.604732
n C'1.605348
n 0.63281.605925
n D1.608515
n d1.608631
n e1.611732
n F1.617793
n F'1.618559
n g1.625210
n h1.631568
n i1.642925
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7746
PC,A'0.3344
Pd,C0.2984
Pe,C0.5359
Pg,d1.2693
Pg,F0.5678
Ph,g0.4867
Pi,g1.3562
PC',t0.8218
Pe,C'0.4887
PF',e0.5226
Pi,F'1.8654
 transmittance: 10 mm
τ2.50.69
τ2.32540.83
τ1.97010.954
τ1.52960.99
τ1.060.998
τ0.70.997
τ0.660.996
τ0.620.996
τ0.580.996
τ0.546070.996
τ0.50.992
τ0.460.987
τ0.43580.981
τ0.420.975
τ0.40470.959
τ0.40.95
τ0.390.91
τ0.380.84
τ0.370.67
τ0.3650.54
 transmittance: 25 mm
τ2.50.39
τ2.32540.63
τ1.97010.89
τ1.52960.975
τ1.060.994
τ0.70.993
τ0.660.99
τ0.620.989
τ0.580.99
τ0.546070.989
τ0.50.98
τ0.460.967
τ0.43580.954
τ0.420.94
τ0.40470.9
τ0.40.88
τ0.390.8
τ0.380.65
τ0.370.37
τ0.3650.21

  mechanical
Density: 3.05 g/cm3
Poisson coef.: 0.237
Young module: 860 Pa*108
Knoop hardness: 600
Optical stress coef.: 2.42 1/Pa*1012
Abrasion: 3

  Chemical
Climatic resistance: 1
Staining: 0
Resistance to acids: 1
Resistance to alkalis: 1.3
Phosphate resistance: 1

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7069
20 ~ 30078

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -200.2
20 ~ 400.9
60 ~ 801.4
-40 ~ -20e0.9
20 ~ 40e1.9
60 ~ 80e2.5
-40 ~ -20g1.8
20 ~ 40g2.9
60 ~ 80g3.6
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -202.3
20 ~ 402.3
60 ~ 802.5
-40 ~ -20e3.1
20 ~ 40e3.3
60 ~ 80e3.6
-40 ~ -20g4
20 ~ 40g4.3
60 ~ 80g4.7