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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-LAF33 - Schott 2000

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

  Main parameters
nd = 1.785824
ne = 1.790066
Vd = 44.05
Ve = 43.80
nF - nC = 0.017838
nF' - nC' = 0.018037
Coloring:
0.39 - 0.32 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 1.79653417 C2 = 0.311577903 C3 = 1.15981863 C4 = 0.00927313493 C5 = 0.0358201181 C6 = 87.3448712

  Refraction index
n 2.32541.742622
n 1.97011.749680
n 1.52961.757322
n 1.061.765844
n t1.766888
n s1.771383
n r1.777509
n C1.780494
n C'1.781336
n 0.63281.782125
n D1.785667
n d1.785824
n e1.790066
n F1.798333
n F'1.799374
n g1.808369
n h1.816872
n i1.831747
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7627
PC,A'0.3330
Pd,C0.2987
Pe,C0.5365
Pg,d1.2638
Pg,F0.5626
Ph,g0.4766
Pi,g1.3105
PC',t0.8099
Pe,C'0.4893
PF',e0.5217
Pi,F'1.8148
 transmittance: 10 mm
τ2.50.47
τ2.32540.75
τ1.97010.94
τ1.52960.988
τ1.060.998
τ0.70.998
τ0.660.997
τ0.620.997
τ0.580.997
τ0.546070.997
τ0.50.994
τ0.460.987
τ0.43580.98
τ0.420.973
τ0.40470.962
τ0.40.957
τ0.390.94
τ0.380.91
τ0.370.86
τ0.3650.82
τ0.350.6
τ0.33410.25
 transmittance: 25 mm
τ2.50.15
τ2.32540.48
τ1.97010.86
τ1.52960.97
τ1.060.994
τ0.70.994
τ0.660.993
τ0.620.992
τ0.580.992
τ0.546070.992
τ0.50.985
τ0.460.967
τ0.43580.95
τ0.420.93
τ0.40470.91
τ0.40.9
τ0.390.86
τ0.380.79
τ0.370.68
τ0.3650.6
τ0.350.28
τ0.33410.03

  mechanical
Density: 4.36 g/cm3
Poisson coef.: 0.301
Young module: 1110 Pa*108
Knoop hardness: 730
Optical stress coef.: 2.21 1/Pa*1012
Abrasion: 1

  Chemical
Climatic resistance: 1
Staining: 2
Resistance to acids: 52.2
Resistance to alkalis: 1
Phosphate resistance: 3

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7056
20 ~ 30067

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -204.4
20 ~ 405.5
60 ~ 806
-40 ~ -20e5.7
20 ~ 40e6.9
60 ~ 80e7.6
-40 ~ -20g7
20 ~ 40g8.4
60 ~ 80g9.3
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -206.8
20 ~ 407
60 ~ 807.2
-40 ~ -20e8.1
20 ~ 40e8.5
60 ~ 80e8.9
-40 ~ -20g9.4
20 ~ 40g10
60 ~ 80g10.5