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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-FK51 - Schott 2000

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

  Main parameters
nd = 1.486561
ne = 1.487936
Vd = 84.46
Ve = 84.07
nF - nC = 0.005760
nF' - nC' = 0.005803
Coloring:
0.34 - 0.28 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 0.971247817 C2 = 0.216901417 C3 = 0.904651666 C4 = 0.00472301995 C5 = 0.0153575612 C6 = 168.68133

  Refraction index
n 2.32541.469576
n 1.97011.472714
n 1.52961.476083
n 1.061.479590
n t1.479990
n s1.481649
n r1.483787
n C1.484797
n C'1.485078
n 0.63281.485341
n D1.486509
n d1.486561
n e1.487936
n F1.490557
n F'1.490882
n g1.493644
n h1.496183
n i1.500462
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.8344
PC,A'0.3520
Pd,C0.3062
Pe,C0.5450
Pg,d1.2296
Pg,F0.5359
Ph,g0.4407
Pi,g1.1836
PC',t0.8832
Pe,C'0.4961
PF',e0.5113
Pi,F'1.6631
 transmittance: 10 mm
τ2.50.89
τ2.32540.93
τ1.97010.976
τ1.52960.992
τ1.060.998
τ0.70.996
τ0.660.996
τ0.620.996
τ0.580.997
τ0.546070.998
τ0.50.997
τ0.460.995
τ0.43580.994
τ0.420.994
τ0.40470.995
τ0.40.995
τ0.390.994
τ0.380.992
τ0.370.985
τ0.3650.981
τ0.350.95
τ0.33410.83
τ0.320.62
τ0.310.43
τ0.30.26
τ0.290.16
 transmittance: 25 mm
τ2.50.75
τ2.32540.84
τ1.97010.94
τ1.52960.98
τ1.060.995
τ0.70.991
τ0.660.99
τ0.620.991
τ0.580.993
τ0.546070.994
τ0.50.992
τ0.460.987
τ0.43580.985
τ0.420.985
τ0.40470.987
τ0.40.987
τ0.390.986
τ0.380.979
τ0.370.964
τ0.3650.953
τ0.350.88
τ0.33410.63
τ0.320.3
τ0.310.12
τ0.30.04
τ0.290.01

  mechanical
Density: 3.73 g/cm3
Poisson coef.: 0.293
Young module: 810 Pa*108
Knoop hardness: 430
Optical stress coef.: 0.7 1/Pa*1012
Abrasion: 5

  Chemical
Climatic resistance: 2
Staining: 0
Resistance to acids: 52.3
Resistance to alkalis: 2.2
Phosphate resistance: 4.3

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 70133
20 ~ 300153

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -20-6.9
20 ~ 40-7.3
60 ~ 80-7.5
-40 ~ -20e-6.6
20 ~ 40e-7
60 ~ 80e-7.2
-40 ~ -20g-6.4
20 ~ 40g-6.7
60 ~ 80g-6.9
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -20-4.9
20 ~ 40-6
60 ~ 80-6.5
-40 ~ -20e-4.6
20 ~ 40e-5.7
60 ~ 80e-6.2
-40 ~ -20g-4.3
20 ~ 40g-5.3
60 ~ 80g-5.8