TK13 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.603883 n_e = 1.606258	V_d = 60.63 V_e = 60.37	n_F - n_C = 0.009959 n_F' - n_C' = 0.010041

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.59997 C3 = 0.0181551 C4 = -0.0113772 C5 = -0.00116373 C6 = -0.000350796 C7 = 0.0000349928 C8 = -0.000265781 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.573869
n _1.9701	1.579604
n _1.5296	1.585633
n _1.06	1.591841
n _t	1.592542
n _s	1.595424
n _r	1.599111
n _C	1.600846
n _C'	1.601331
n _0.6328	1.601783
n _D	1.603795
n _d	1.603883
n _e	1.606258
n _F	1.610806
n _F'	1.611372
n _g	1.616206
n _h	1.620682
n _i	1.628287
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8338
P_C,A'	0.3502
P_d,C	0.3049
P_e,C	0.5433
P_g,d	1.2372
P_g,F	0.5421
P_h,g	0.4493
P_i,g	1.2129
P_C',t	0.8824
P_e,C'	0.4947
P_F',e	0.5134
P_i,F'	1.6982

Density: 3.44 g/cm³
Poisson coef.: 0.259
Rigidity: 334.7 Pa*10⁸
Young module: 775.2 Pa*10⁸
Optical stress coef.: 1.99 1/Pa*10¹²
Abrasion: 0.8

Climatic resistance: А
Resistance to acids: III

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	61
0 ~ 30	63
20 ~ 120	67
20 ~ 300	73

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	0.8
-60 ~ 20	e	0.6
-60 ~ 20	D	0.4
-60 ~ 20	C	0.3
20 ~ 120	F	2.2
20 ~ 120	e	2
20 ~ 120	D	1.9
20 ~ 120	C	1.8