TK17 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.627989 n_e = 1.630511	V_d = 59.37 V_e = 59.10	n_F - n_C = 0.010577 n_F' - n_C' = 0.010666

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.62497 C3 = 0.0195092 C4 = -0.0114506 C5 = -0.00135315 C6 = -0.0000430259 C7 = 0.000212515 C8 = -0.00000379741 C9 = -0.0000942621 C10 = -0.000650645 C11 = 0

Refraction index
n _2.3254	1.597114
n _1.9701	1.602847
n _1.5296	1.609015
n _1.06	1.615381
n _t	1.616099
n _s	1.619076
n _r	1.622937
n _C	1.624770
n _C'	1.625283
n _0.6328	1.625761
n _D	1.627895
n _d	1.627989
n _e	1.630511
n _F	1.635347
n _F'	1.635950
n _g	1.641098
n _h	1.645875
n _i	1.654003
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8197
P_C,A'	0.3475
P_d,C	0.3043
P_e,C	0.5427
P_g,d	1.2393
P_g,F	0.5436
P_h,g	0.4516
P_i,g	1.2201
P_C',t	0.8682
P_e,C'	0.4943
P_F',e	0.5141
P_i,F'	1.7068

Density: 3.66 g/cm³
Poisson coef.: 0.278
Rigidity: 329.4 Pa*10⁸
Young module: 841.8 Pa*10⁸
Optical stress coef.: 1.78 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	68
0 ~ 30	71
20 ~ 120	75
20 ~ 300	82

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	-0.8
-60 ~ 20	e	-1
-60 ~ 20	D	-1.2
-60 ~ 20	C	-1.3
20 ~ 120	F	0.8
20 ~ 120	e	0.6
20 ~ 120	D	0.5
20 ~ 120	C	0.4