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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-BALF5 - Schott 2000

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

  Main parameters
nd = 1.547389
ne = 1.549818
Vd = 53.63
Ve = 53.36
nF - nC = 0.010206
nF' - nC' = 0.010303
Coloring:
0.37 - 0.34 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 1.06 mkm.
C1 = 1.28385965 C2 = 0.0719300942 C3 = 1.05048927 C4 = 0.00825815975 C5 = 0.0441920027 C6 = 107.097324

  Refraction index
n 2.3254-----
n 1.9701-----
n 1.5296-----
n 1.061.535285
n t1.535979
n s1.538847
n r1.542548
n C1.544302
n C'1.544793
n 0.63281.545252
n D1.547299
n d1.547389
n e1.549818
n F1.554509
n F'1.555096
n g1.560155
n h1.564914
n i1.573217
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.8154
PC,A'0.3447
Pd,C0.3024
Pe,C0.5404
Pg,d1.2506
Pg,F0.5531
Ph,g0.4662
Pi,g1.2798
PC',t0.8635
Pe,C'0.4923
PF',e0.5171
Pi,F'1.7754
 transmittance: 10 mm
τ2.50.62
τ2.32540.76
τ1.97010.92
τ1.52960.989
τ1.060.996
τ0.70.998
τ0.660.997
τ0.620.997
τ0.580.998
τ0.546070.998
τ0.50.997
τ0.460.995
τ0.43580.994
τ0.420.991
τ0.40470.986
τ0.40.983
τ0.390.967
τ0.380.94
τ0.370.87
τ0.3650.82
τ0.350.44
 transmittance: 25 mm
τ2.50.3
τ2.32540.5
τ1.97010.81
τ1.52960.973
τ1.060.991
τ0.70.995
τ0.660.993
τ0.620.993
τ0.580.995
τ0.546070.995
τ0.50.992
τ0.460.988
τ0.43580.984
τ0.420.978
τ0.40470.965
τ0.40.957
τ0.390.92
τ0.380.85
τ0.370.71
τ0.3650.6
τ0.350.13

  mechanical
Density: 2.61 g/cm3
Poisson coef.: 0.214
Young module: 810 Pa*108
Knoop hardness: 600
Optical stress coef.: 2.76 1/Pa*1012
Abrasion: 2

  Chemical
Climatic resistance: 1
Staining: 0
Resistance to acids: 1
Resistance to alkalis: 2
Phosphate resistance: 1

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7073
20 ~ 30084

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -200.1
20 ~ 400.8
60 ~ 801.3
-40 ~ -20e0.7
20 ~ 40e1.6
60 ~ 80e2.1
-40 ~ -20g1.3
20 ~ 40g2.3
60 ~ 80g2.9
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -202.1
20 ~ 402.1
60 ~ 802.3
-40 ~ -20e2.8
20 ~ 40e2.9
60 ~ 80e3.1
-40 ~ -20g3.5
20 ~ 40g3.7
60 ~ 80g3.9