K1 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.498270 n_e = 1.500096	V_d = 65.14 V_e = 64.96	n_F - n_C = 0.007648 n_F' - n_C' = 0.007697

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.49247 C3 = 0.0135977 C4 = -0.0120042 C5 = -0.00100179 C6 = -0.000499996 C7 = 0.0000965976 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.470621
n _1.9701	1.476566
n _1.5296	1.482688
n _1.06	1.488506
n _t	1.489119
n _s	1.491560
n _r	1.494540
n _C	1.495908
n _C'	1.496288
n _0.6328	1.496640
n _D	1.498201
n _d	1.498270
n _e	1.500096
n _F	1.503557
n _F'	1.503985
n _g	1.507626
n _h	1.510980
n _i	1.516665
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8876
P_C,A'	0.3622
P_d,C	0.3087
P_e,C	0.5474
P_g,d	1.2232
P_g,F	0.5320
P_h,g	0.4384
P_i,g	1.1818
P_C',t	0.9372
P_e,C'	0.4978
P_F',e	0.5085
P_i,F'	1.6579

Density: 2.36 g/cm³
Poisson coef.: 0.226
Young module: 632 Pa*10⁸
Optical stress coef.: 3.45 1/Pa*10¹²
Abrasion: 0.9

Climatic resistance: А
Resistance to acids: III

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	60
0 ~ 30	62
20 ~ 120	65
20 ~ 300	68