STK10 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.737934 n_e = 1.741585	V_d = 48.10 V_e = 47.85	n_F - n_C = 0.015340 n_F' - n_C' = 0.015497

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.73599 C3 = 0.028781 C4 = -0.0140695 C5 = -0.00140433 C6 = -0.00085415 C7 = 0 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.697431
n _1.9701	1.704692
n _1.5296	1.712322
n _1.06	1.720372
n _t	1.721322
n _s	1.725346
n _r	1.730725
n _C	1.733322
n _C'	1.734052
n _0.6328	1.734736
n _D	1.737798
n _d	1.737934
n _e	1.741585
n _F	1.748663
n _F'	1.749550
n _g	1.757177
n _h	1.764313
n _i	1.776580
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7822
P_C,A'	0.3377
P_d,C	0.3006
P_e,C	0.5386
P_g,d	1.2544
P_g,F	0.5550
P_h,g	0.4651
P_i,g	1.2647
P_C',t	0.8298
P_e,C'	0.4910
P_F',e	0.5191
P_i,F'	1.7619

Density: 4.1 g/cm³
Poisson coef.: 0.31
Young module: 1114 Pa*10⁸
Optical stress coef.: 2.35 1/Pa*10¹²

Climatic resistance: а
Resistance to acids: III

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	45
0 ~ 30	49
20 ~ 120	54
20 ~ 300	63