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© 2003-2013 ACO department

Политика по обработке Персональных данных

 

N-SSK5 - Schott 2000

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

  Main parameters
nd = 1.658440
ne = 1.661519
Vd = 50.88
Ve = 50.59
nF - nC = 0.012940
nF' - nC' = 0.013075
Coloring:
0.38 - 0.33 mkm.

  Coefficients of dispertion formulas
Type: Sellmeier
Spectral range: 0.3650146 - 2.3254 mkm.
C1 = 1.59222659 C2 = 0.103520774 C3 = 1.05174016 C4 = 0.00920284626 C5 = 0.0423530072 C6 = 106.927374

  Refraction index
n 2.32541.625809
n 1.97011.631275
n 1.52961.637197
n 1.061.643709
n t1.644495
n s1.647849
n r1.652367
n C1.654553
n C'1.655169
n 0.63281.655744
n D1.658325
n d1.658440
n e1.661519
n F1.667494
n F'1.668244
n g1.674708
n h1.680793
n i1.691394
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7773
PC,A'0.3369
Pd,C0.3003
Pe,C0.5382
Pg,d1.2572
Pg,F0.5575
Ph,g0.4702
Pi,g1.2894
PC',t0.8248
Pe,C'0.4907
PF',e0.5196
Pi,F'1.7890
 transmittance: 10 mm
τ2.50.73
τ2.32540.85
τ1.97010.963
τ1.52960.992
τ1.060.996
τ0.70.997
τ0.660.995
τ0.620.995
τ0.580.996
τ0.546070.996
τ0.50.993
τ0.460.987
τ0.43580.983
τ0.420.978
τ0.40470.967
τ0.40.963
τ0.390.95
τ0.380.91
τ0.370.84
τ0.3650.78
τ0.350.43
 transmittance: 25 mm
τ2.50.45
τ2.32540.66
τ1.97010.91
τ1.52960.98
τ1.060.99
τ0.70.992
τ0.660.988
τ0.620.987
τ0.580.989
τ0.546070.989
τ0.50.982
τ0.460.968
τ0.43580.957
τ0.420.95
τ0.40470.92
τ0.40.91
τ0.390.87
τ0.380.79
τ0.370.64
τ0.3650.53
τ0.350.12

  mechanical
Density: 3.71 g/cm3
Poisson coef.: 0.278
Young module: 880 Pa*108
Knoop hardness: 590
Optical stress coef.: 1.9 1/Pa*1012
Abrasion: 5

  Chemical
Climatic resistance: 2
Staining: 3
Resistance to acids: 52.2
Resistance to alkalis: 2.2
Phosphate resistance: 3.2

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7068
20 ~ 30080

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -200
20 ~ 400.8
60 ~ 801.2
-40 ~ -20e0.8
20 ~ 40e1.8
60 ~ 80e2.3
-40 ~ -20g1.6
20 ~ 40g2.7
60 ~ 80g3.4
 Temperature coefs. of nrel
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-40 ~ -202.2
20 ~ 402.2
60 ~ 802.4
-40 ~ -20e3
20 ~ 40e3.2
60 ~ 80e3.5
-40 ~ -20g3.9
20 ~ 40g4.2
60 ~ 80g4.5