LK6 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.470467 n_e = 1.472147	V_d = 66.84 V_e = 66.65	n_F - n_C = 0.007038 n_F' - n_C' = 0.007083

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.46503 C3 = 0.0124929 C4 = -0.0110085 C5 = -0.000918009 C6 = -0.000315521 C7 = 0.0000662112 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.445043
n _1.9701	1.450447
n _1.5296	1.456073
n _1.06	1.461460
n _t	1.462027
n _s	1.464284
n _r	1.467032
n _C	1.468293
n _C'	1.468642
n _0.6328	1.468967
n _D	1.470404
n _d	1.470467
n _e	1.472147
n _F	1.475331
n _F'	1.475725
n _g	1.479073
n _h	1.482154
n _i	1.487363
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8902
P_C,A'	0.3627
P_d,C	0.3088
P_e,C	0.5475
P_g,d	1.2228
P_g,F	0.5316
P_h,g	0.4376
P_i,g	1.1778
P_C',t	0.9398
P_e,C'	0.4979
P_F',e	0.5083
P_i,F'	1.6535

Density: 2.3 g/cm³
Poisson coef.: 0.241
Rigidity: 196.6 Pa*10⁸
Young module: 488 Pa*10⁸
Optical stress coef.: 3.77 1/Pa*10¹²
Abrasion: 0.7

Climatic resistance: А
Resistance to acids: IV

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	80
0 ~ 30	81
20 ~ 120	82
20 ~ 300	85

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	-2
-60 ~ 20	e	-2.2
-60 ~ 20	D	-2.4
-60 ~ 20	C	-2.4
20 ~ 120	F	-0.5
20 ~ 120	e	-0.7
20 ~ 120	D	-0.8
20 ~ 120	C	-1