Logotype


search by parameters
analog search

catalogs
GOST Rus
Hikari
Hoya
O'Hara
Schott 2000
Special
Sumita

help

© 2003-2013 ACO department

Политика по обработке Персональных данных

 

STK12 - GOST Rus

 Diagram n (λ)    n calculation    Analogue search

  Main parameters
nd = 1.692009
ne = 1.695007
Vd = 55.02
Ve = 54.79
nF - nC = 0.012575
nF' - nC' = 0.012682
 

  Coefficients of dispertion formulas
Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.68704 C3 = 0.0230322 C4 = -0.0149098 C5 = -0.00144364 C6 = -0.000640047 C7 = 0 C8 = 0 C9 = 0 C10 = 0 C11 = 0

  Refraction index
n 2.32541.653723
n 1.97011.661211
n 1.52961.669042
n 1.061.676899
n t1.677775
n s1.681381
n r1.686002
n C1.688183
n C'1.688793
n 0.63281.689362
n D1.691897
n d1.692009
n e1.695007
n F1.700759
n F'1.701476
n g1.707599
n h1.713271
n i1.722896
n 0.3341-----
n 0.3126-----
n 0.2967-----
n 0.2804-----
n 0.2483-----
  Relative partial dispertion
PC,t0.8276
PC,A'0.3484
Pd,C0.3042
Pe,C0.5426
Pg,d1.2396
Pg,F0.5438
Ph,g0.4510
Pi,g1.2164
PC',t0.8761
Pe,C'0.4941
PF',e0.5143
Pi,F'1.7033

  mechanical
Density: 4.1 g/cm3
Poisson coef.: 0.288
Rigidity: 435.6 Pa*108
Young module: 1122.1 Pa*108
Optical stress coef.: 1.84 1/Pa*1012
Abrasion: 1.1

  Chemical
Climatic resistance: а
Resistance to acids: III

 Temperature coefficient of linear expansion
Temp. range, CValue, 1/C*10^-7
-60 ~ 2057
0 ~ 3061
20 ~ 12067
20 ~ 30077

 Temperature coefs. of nabs
Temp. range,
C
Wave length,
mkm.
Value,
1/C*10-6
-60 ~ 20F1.8
-60 ~ 20e1.5
-60 ~ 20D1.3
-60 ~ 20C1.2
20 ~ 120F3
20 ~ 120e2.7
20 ~ 120D2.6
20 ~ 120C2.4