TF10 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.806269 n_e = 1.813763	V_d = 25.37 V_e = 25.17	n_F - n_C = 0.031778 n_F' - n_C' = 0.032324

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.8221 C3 = 0.0648949 C4 = -0.00876345 C5 = 0.00303473 C6 = -0.0000178756 C7 = 0.000954194 C8 = 0.00064773 C9 = -0.00000886732 C10 = -0.000795509 C11 = 0.000479783

Refraction index
n _2.3254	1.754152
n _1.9701	1.759167
n _1.5296	1.765566
n _1.06	1.774892
n _t	1.776254
n _s	1.782616
n _r	1.792217
n _C	1.797152
n _C'	1.798567
n _0.6328	1.799902
n _D	1.805994
n _d	1.806269
n _e	1.813763
n _F	1.828930
n _F'	1.830891
n _g	1.848332
n _h	1.865695
n _i	1.898752
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6576
P_C,A'	0.3043
P_d,C	0.2868
P_e,C	0.5227
P_g,d	1.3236
P_g,F	0.6105
P_h,g	0.5463
P_i,g	1.5866
P_C',t	0.7021
P_e,C'	0.4781
P_F',e	0.5389
P_i,F'	2.1354

Density: 5.19 g/cm³
Poisson coef.: 0.245
Rigidity: 217.6 Pa*10⁸
Young module: 541.9 Pa*10⁸
Optical stress coef.: 0.66 1/Pa*10¹²
Abrasion: 0.5

Climatic resistance: А
Resistance to acids: III

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	75
0 ~ 30	77
20 ~ 120	81
20 ~ 300	87

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	10.8
-60 ~ 20	e	8.5
-60 ~ 20	D	7.6
-60 ~ 20	C	6.5
20 ~ 120	F	13.8
20 ~ 120	e	11.3
20 ~ 120	D	10.3
20 ~ 120	C	9.3