TBF11 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.832766 n_e = 1.837361	V_d = 43.08 V_e = 42.82	n_F - n_C = 0.019329 n_F' - n_C' = 0.019551

Type: Resnik
Spectral range: 0.40466 - 2.6 mkm.
C1 = 0.028 C2 = 1.82904 C3 = 0.0295442 C4 = -0.0112419 C5 = -0.0013433 C6 = -0.000191279 C7 = 0.000575236 C8 = 0.00103023 C9 = -0.000702884 C10 = -0.00107988 C11 = 0.000345783

Refraction index
n _2.3254	1.790308
n _1.9701	1.796271
n _1.5296	1.803243
n _1.06	1.811492
n _t	1.812551
n _s	1.817229
n _r	1.823783
n _C	1.827003
n _C'	1.827912
n _0.6328	1.828764
n _D	1.832595
n _d	1.832766
n _e	1.837361
n _F	1.846333
n _F'	1.847463
n _g	1.857215
n _h	-----
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7476
P_C,A'	0.3309
P_d,C	0.2981
P_e,C	0.5358
P_g,d	1.2648
P_g,F	0.5629
P_h,g	-----
P_i,g	-----
P_C',t	0.7946
P_e,C'	0.4888
P_F',e	0.5226
P_i,F'	-----

Density: 3.5 g/cm³
Optical stress coef.: 1.7 1/Pa*10¹²
Abrasion: 1.4

Climatic resistance: с
Resistance to acids: IV

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	55
0 ~ 30	59
20 ~ 120	64
20 ~ 300	71