LK5 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.478162 n_e = 1.479901	V_d = 65.60 V_e = 65.44	n_F - n_C = 0.007288 n_F' - n_C' = 0.007332

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.47224 C3 = 0.0129003 C4 = -0.0119177 C5 = -0.000921153 C6 = -0.000571396 C7 = 0.000164512 C8 = -0.000012911 C9 = -0.000136113 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.450988
n _1.9701	1.456917
n _1.5296	1.462986
n _1.06	1.468718
n _t	1.469319
n _s	1.471702
n _r	1.474587
n _C	1.475903
n _C'	1.476266
n _0.6328	1.476604
n _D	1.478096
n _d	1.478162
n _e	1.479901
n _F	1.483191
n _F'	1.483598
n _g	1.487061
n _h	1.490250
n _i	1.495606
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.9032
P_C,A'	0.3662
P_d,C	0.3099
P_e,C	0.5485
P_g,d	1.2209
P_g,F	0.5308
P_h,g	0.4376
P_i,g	1.1723
P_C',t	0.9530
P_e,C'	0.4986
P_F',e	0.5072
P_i,F'	1.6473

Density: 2.27 g/cm³
Optical stress coef.: 3.55 1/Pa*10¹²
Abrasion: 1.41

Climatic resistance: А
Resistance to acids: I

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	33
0 ~ 30	34
20 ~ 120	35
20 ~ 300	36