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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-BAF51 - Schott 2000

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

  Main parameters
nd = 1.652239
ne = 1.655686
Vd = 44.95
Ve = 44.67
nF - nC = 0.014507
nF' - nC' = 0.014677
Coloring:
0.39 - 0.34 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 1.51503623 C2 = 0.153621958 C3 = 1.15427909 C4 = 0.00942734715 C5 = 0.04308265 C6 = 124.889868

  Refraction index
n 2.32541.618733
n 1.97011.623899
n 1.52961.629611
n 1.061.636191
n t1.637014
n s1.640587
n r1.645509
n C1.647920
n C'1.648601
n 0.63281.649240
n D1.652112
n d1.652239
n e1.655686
n F1.662428
n F'1.663279
n g1.670653
n h1.677661
n i1.690029
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7518
PC,A'0.3302
Pd,C0.2977
Pe,C0.5353
Pg,d1.2692
Pg,F0.5669
Ph,g0.4830
Pi,g1.3356
PC',t0.7987
Pe,C'0.4883
PF',e0.5233
Pi,F'1.8439
 transmittance: 10 mm
τ2.50.75
τ2.32540.83
τ1.97010.95
τ1.52960.992
τ1.060.997
τ0.70.997
τ0.660.996
τ0.620.996
τ0.580.997
τ0.546070.996
τ0.50.994
τ0.460.988
τ0.43580.982
τ0.420.976
τ0.40470.963
τ0.40.954
τ0.390.92
τ0.380.86
τ0.370.74
τ0.3650.64
τ0.350.21
 transmittance: 25 mm
τ2.50.48
τ2.32540.63
τ1.97010.87
τ1.52960.98
τ1.060.993
τ0.70.993
τ0.660.99
τ0.620.99
τ0.580.992
τ0.546070.991
τ0.50.985
τ0.460.97
τ0.43580.956
τ0.420.94
τ0.40470.91
τ0.40.89
τ0.390.82
τ0.380.69
τ0.370.47
τ0.3650.33
τ0.350.02

  mechanical
Density: 3.33 g/cm3
Poisson coef.: 0.262
Young module: 910 Pa*108
Knoop hardness: 560
Optical stress coef.: 2.22 1/Pa*1012
Abrasion: 5

  Chemical
Climatic resistance: 2
Staining: 0
Resistance to acids: 5.4
Resistance to alkalis: 1.3
Phosphate resistance: 1

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7084
20 ~ 30095

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -20-0.5
20 ~ 400.3
60 ~ 800.7
-40 ~ -20e0.5
20 ~ 40e1.5
60 ~ 80e2
-40 ~ -20g1.5
20 ~ 40g2.7
60 ~ 80g3.3
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -201.7
20 ~ 401.7
60 ~ 801.8
-40 ~ -20e2.8
20 ~ 40e2.9
60 ~ 80e3.1
-40 ~ -20g3.8
20 ~ 40g4.1
60 ~ 80g4.4