TFK1 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.608481 n_e = 1.610706	V_d = 65.23 V_e = 64.94	n_F - n_C = 0.009327 n_F' - n_C' = 0.009402

Type: Resnik
Spectral range: 0.365 - 2.6 mkm.
C1 = 0.028 C2 = 1.60507 C3 = 0.0170191 C4 = -0.0106702 C5 = -0.00116572 C6 = -0.000444932 C7 = 0.0000721279 C8 = -0.0000717328 C9 = -0.000129942 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.580358
n _1.9701	1.585750
n _1.5296	1.591412
n _1.06	1.597196
n _t	1.597849
n _s	1.600546
n _r	1.604005
n _C	1.605633
n _C'	1.606088
n _0.6328	1.606512
n _D	1.608398
n _d	1.608481
n _e	1.610706
n _F	1.614961
n _F'	1.615491
n _g	1.620006
n _h	1.624175
n _i	1.631159
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8345
P_C,A'	0.3510
P_d,C	0.3053
P_e,C	0.5438
P_g,d	1.2355
P_g,F	0.5408
P_h,g	0.4468
P_i,g	1.1956
P_C',t	0.8832
P_e,C'	0.4950
P_F',e	0.5129
P_i,F'	1.6797

Density: 3.62 g/cm³

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	87
0 ~ 30	91
20 ~ 120	98
20 ~ 300	109