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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

LaK N13 - Schott 2000

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

  Main parameters
nd = 1.693501
ne = 1.696599
Vd = 53.33
Ve = 53.05
nF - nC = 0.013003
nF' - nC' = 0.013130
Coloring:
0.37 - 0.32 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 1.25792373 C2 = 0.553402861 C3 = 1.06335742 C4 = 0.0062149471 C5 = 0.0216809853 C6 = 104.494099

  Refraction index
n 2.32541.660412
n 1.97011.665962
n 1.52961.671974
n 1.061.678586
n t1.679384
n s1.682789
n r1.687367
n C1.689579
n C'1.690200
n 0.63281.690782
n D1.693385
n d1.693501
n e1.696599
n F1.702583
n F'1.703331
n g1.709749
n h1.715733
n i1.725999
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7840
PC,A'0.3393
Pd,C0.3015
Pe,C0.5398
Pg,d1.2494
Pg,F0.5510
Ph,g0.4601
Pi,g1.2495
PC',t0.8318
Pe,C'0.4920
PF',e0.5176
Pi,F'1.7431
 transmittance: 10 mm
τ2.32540.75
τ1.97010.967
τ1.52960.994
τ1.060.996
τ0.70.997
τ0.660.997
τ0.620.998
τ0.580.998
τ0.546070.998
τ0.50.996
τ0.460.99
τ0.43580.982
τ0.420.98
τ0.40470.976
τ0.40.971
τ0.390.963
τ0.380.95
τ0.370.9
τ0.3650.85
τ0.350.66
τ0.33410.4
 transmittance: 25 mm
τ2.32540.49
τ1.97010.92
τ1.52960.985
τ1.060.99
τ0.70.992
τ0.660.993
τ0.620.994
τ0.580.995
τ0.546070.995
τ0.50.991
τ0.460.974
τ0.43580.956
τ0.420.95
τ0.40470.94
τ0.40.93
τ0.390.91
τ0.380.87
τ0.370.77
τ0.3650.67
τ0.350.35
τ0.33410.1

  mechanical
Density: 4.24 g/cm3
Poisson coef.: 0.289
Young module: 870 Pa*108
Knoop hardness: 560
Optical stress coef.: 1.4 1/Pa*1012

  Chemical
Climatic resistance: 2
Staining: 2
Resistance to acids: 53.1
Resistance to alkalis: 2.3
Phosphate resistance: 4

 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 ~ -20-3.1
20 ~ 40-2.2
60 ~ 80-1.8
-40 ~ -20e-2.5
20 ~ 40e-1.5
60 ~ 80e-1
-40 ~ -20g-1.9
20 ~ 40g-0.8
60 ~ 80g-0.2
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -20-0.9
20 ~ 40-0.8
60 ~ 80-0.7
-40 ~ -20e-0.2
20 ~ 40e-0.1
60 ~ 80e0.1
-40 ~ -20g0.5
20 ~ 40g0.8
60 ~ 80g1