OK1 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.522265 n_e = 1.523898	V_d = 76.35 V_e = 75.97	n_F - n_C = 0.006839 n_F' - n_C' = 0.006895

Type: Resnik
Spectral range: 0.365 - 2.6 mkm.
C1 = 0.028 C2 = 1.52059 C3 = 0.0125147 C4 = -0.00682079 C5 = -0.000972207 C6 = -0.000116977 C7 = 0.0000784578 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.503064
n _1.9701	1.506475
n _1.5296	1.510178
n _1.06	1.514118
n _t	1.514575
n _s	1.516490
n _r	1.518991
n _C	1.520179
n _C'	1.520512
n _0.6328	1.520822
n _D	1.522204
n _d	1.522265
n _e	1.523898
n _F	1.527019
n _F'	1.527407
n _g	1.530710
n _h	1.533756
n _i	1.538912
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8193
P_C,A'	0.3484
P_d,C	0.3049
P_e,C	0.5436
P_g,d	1.2346
P_g,F	0.5396
P_h,g	0.4453
P_i,g	1.1991
P_C',t	0.8678
P_e,C'	0.4950
P_F',e	0.5130
P_i,F'	1.6820

Density: 3.77 g/cm³
Optical stress coef.: 0.65 1/Pa*10¹²
Abrasion: 0.22

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	122
0 ~ 30	129
20 ~ 120	136
20 ~ 300	147