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© 2003-2013 ACO department

Политика по обработке Персональных данных
 

NBF2 - Hoya

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

  Main parameters
nd = 1.756999
ne = 1.760776 		Vd = 47.71
Ve = 47.46 		nF - nC = 0.015865
nF' - nC' = 0.016027 		Coloring:
0.30 - 0.37 mkm.

  Coefficients of dispertion formulas
Type: Schott
Spectral range: 0.36501 - 1.014 mkm.
C1 = 3.0170177 C2 = -0.013625149 C3 = 0.024142489 C4 = 0.00059520693 C5 = -0.000012146589 C6 = 0.0000014445534

  Refraction index
n 2.3254-----
n 1.9701-----
n 1.5296-----
n 1.06-----
n t1.739840
n s1.743983
n r1.749541
n C1.752228
n C'1.752983
n 0.63281.753690
n D1.756858
n d1.756999
n e1.760776
n F1.768093
n F'1.769011
n g1.776896
n h1.784283
n i1.797048
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.7807
PC,A'0.3377
Pd,C0.3007
Pe,C0.5388
Pg,d1.2540
Pg,F0.5548
Ph,g0.4655
Pi,g1.2701
PC',t0.8284
Pe,C'0.4911
PF',e0.5190
Pi,F'1.7671
 transmittance: 5 mm
τ1.550.997
τ1.50.996
τ1.40.997
τ1.30.999
τ1.20.999
τ1.10.999
τ1.060.999
τ1.050.999
τ10.999
τ0.950.999
τ0.90.999
τ0.850.999
τ0.830.999
τ0.80.999
τ0.780.999
τ0.750.999
τ0.70.999
τ0.650.999
τ0.60.999
τ0.550.999
τ0.50.999
τ0.480.999
τ0.460.998
τ0.440.997
τ0.420.996
τ0.40.993
τ0.390.991
τ0.380.986
τ0.370.978
τ0.360.966
τ0.350.941
τ0.340.906
τ0.330.843
τ0.320.721
τ0.310.476
τ0.30.156
 transmittance: 10 mm
τ1.550.993
τ1.50.993
τ1.40.994
τ1.30.999
τ1.20.998
τ1.10.999
τ1.060.998
τ1.050.999
τ10.999
τ0.950.998
τ0.90.998
τ0.850.998
τ0.830.998
τ0.80.998
τ0.780.999
τ0.750.999
τ0.70.999
τ0.650.999
τ0.60.999
τ0.550.999
τ0.50.999
τ0.480.997
τ0.460.996
τ0.440.994
τ0.420.991
τ0.40.986
τ0.390.982
τ0.380.972
τ0.370.957
τ0.360.933
τ0.350.885
τ0.340.82
τ0.330.711
τ0.320.519
τ0.310.226
τ0.30.024

  mechanical
Poisson coef.: 0.308
Rigidity: 421 Pa*108
Young module: 1101 Pa*108
Knoop hardness: 705
Optical stress coef.: 2.29 1/Pa*1012
Abrasion: 80

  Chemical
Staining: 4
Resistance to acids: 4

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-30 ~ 7053
100 ~ 30070

 Temperature coefs. of nabs
Temp. range,
C		Wave length,
mkm.		Value,
1/C*10-6
-40 ~ -205.4
-20 ~ 05.9
0 ~ 206.3
20 ~ 406.7
40 ~ 607
60 ~ 807.3
 Temperature coefs. of nrel
Temp. range,
C		Wave length,
mkm.		Value,
1/C*10-6
-40 ~ -207.8
-20 ~ 07.9
0 ~ 208.1
20 ~ 408.2
40 ~ 608.4
60 ~ 808.5