LK8 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.470850 n_e = 1.472490	V_d = 68.60 V_e = 68.42	n_F - n_C = 0.006863 n_F' - n_C' = 0.006905

Type: Resnik
Spectral range: 0.40466 - 2.6 mkm.
C1 = 0.028 C2 = 1.46275 C3 = 0.00976658 C4 = -0.0110233 C5 = -0.000637997 C6 = -0.000739639 C7 = 0 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.445699
n _1.9701	1.451270
n _1.5296	1.456875
n _1.06	1.462098
n _t	1.462646
n _s	1.464828
n _r	1.467499
n _C	1.468728
n _C'	1.469069
n _0.6328	1.469386
n _D	1.470788
n _d	1.470850
n _e	1.472490
n _F	1.475591
n _F'	1.475974
n _g	1.479212
n _h	-----
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8862
P_C,A'	0.3623
P_d,C	0.3091
P_e,C	0.5481
P_g,d	1.2184
P_g,F	0.5276
P_h,g	-----
P_i,g	-----
P_C',t	0.9358
P_e,C'	0.4984
P_F',e	0.5076
P_i,F'	-----

Density: 2.32 g/cm³
Optical stress coef.: 3.4 1/Pa*10¹²
Abrasion: 1.13

Climatic resistance: А
Resistance to acids: II

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	54
0 ~ 30	55
20 ~ 120	56
20 ~ 300	59