BF19 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.589601 n_e = 1.592344	V_d = 51.14 V_e = 50.84	n_F - n_C = 0.011528 n_F' - n_C' = 0.011649

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.58913 C3 = 0.0217112 C4 = -0.00907172 C5 = -0.000962257 C6 = -0.000141009 C7 = 0.000126233 C8 = 0 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.561103
n _1.9701	1.565706
n _1.5296	1.570798
n _1.06	1.576509
n _t	1.577203
n _s	1.580177
n _r	1.584193
n _C	1.586139
n _C'	1.586687
n _0.6328	1.587200
n _D	1.589498
n _d	1.589601
n _e	1.592344
n _F	1.597668
n _F'	1.598337
n _g	1.604095
n _h	1.609511
n _i	1.618934
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7750
P_C,A'	0.3365
P_d,C	0.3002
P_e,C	0.5381
P_g,d	1.2572
P_g,F	0.5574
P_h,g	0.4697
P_i,g	1.2871
P_C',t	0.8225
P_e,C'	0.4906
P_F',e	0.5197
P_i,F'	1.7865

Density: 3.36 g/cm³
Poisson coef.: 0.248
Young module: 726 Pa*10⁸
Optical stress coef.: 2.65 1/Pa*10¹²
Abrasion: 0.7

Climatic resistance: А
Resistance to acids: II