F109 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.614157 n_e = 1.618352	V_d = 34.60 V_e = 34.33	n_F - n_C = 0.017749 n_F' - n_C' = 0.018010

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.61911 C3 = 0.035426 C4 = -0.00979397 C5 = 0.000747493 C6 = -0.000160287 C7 = 0.000679929 C8 = 0.000816034 C9 = -0.000443388 C10 = -0.000898284 C11 = 0.000611419

Refraction index
n _2.3254	1.577228
n _1.9701	1.582373
n _1.5296	1.588351
n _1.06	1.595419
n _t	1.596328
n _s	1.600370
n _r	1.606112
n _C	1.608972
n _C'	1.609785
n _0.6328	1.610548
n _D	1.614002
n _d	1.614157
n _e	1.618352
n _F	1.626722
n _F'	1.627795
n _g	1.637262
n _h	1.646563
n _i	1.664048
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7123
P_C,A'	0.3186
P_d,C	0.2920
P_e,C	0.5284
P_g,d	1.3017
P_g,F	0.5938
P_h,g	0.5239
P_i,g	1.5091
P_C',t	0.7581
P_e,C'	0.4826
P_F',e	0.5320
P_i,F'	2.0425

Density: 2.93 g/cm³

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	90
0 ~ 30	92
20 ~ 120	96
20 ~ 300	101

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	-1.1
-60 ~ 20	e	-1.8
-60 ~ 20	D	-2.2
-60 ~ 20	C	-2.5
20 ~ 120	F	0.5
20 ~ 120	e	-0.4
20 ~ 120	D	-0.8
20 ~ 120	C	-1.1