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Политика по обработке Персональных данных

 

BF27 - GOST Rus

 Diagram n (λ)    n calculation    Analogue search

  Main parameters
nd = 1.606822
ne = 1.610099
Vd = 43.97
Ve = 43.68
nF - nC = 0.013798
nF' - nC' = 0.013967
 

  Coefficients of dispertion formulas
Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.60824 C3 = 0.0265342 C4 = -0.00899395 C5 = -0.000608504 C6 = -0.000297145 C7 = -0.0000289956 C8 = 0.0000258203 C9 = -0.0000196088 C10 = 0.0000231956 C11 = 0.000284342

  Refraction index
n 2.32541.575636
n 1.97011.580327
n 1.52961.585552
n 1.061.591662
n t1.592434
n s1.595798
n r1.600447
n C1.602728
n C'1.603373
n 0.63281.603978
n D1.606701
n d1.606822
n e1.610099
n F1.616527
n F'1.617340
n g1.624392
n h1.631099
n i1.643093
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7460
PC,A'0.3283
Pd,C0.2967
Pe,C0.5341
Pg,d1.2732
Pg,F0.5699
Ph,g0.4860
Pi,g1.3552
PC',t0.7927
Pe,C'0.4874
PF',e0.5247
Pi,F'1.8663

  mechanical
Density: 3.46 g/cm3
Poisson coef.: 0.243
Young module: 687 Pa*108
Optical stress coef.: 2.65 1/Pa*1012
Abrasion: 0.9

  Chemical
Climatic resistance: А
Resistance to acids: I

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-60 ~ 2075
0 ~ 3077
20 ~ 12080
20 ~ 30084