F108 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.625454 n_e = 1.629616	V_d = 35.59 V_e = 35.33	n_F - n_C = 0.017569 n_F' - n_C' = 0.017816

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.62905 C3 = 0.0343698 C4 = -0.00905055 C5 = 0.000322601 C6 = -0.000518276 C7 = 0.0000801275 C8 = -0.000189546 C9 = 0.000203863 C10 = 0.000635281 C11 = 0

Refraction index
n _2.3254	1.589892
n _1.9701	1.594717
n _1.5296	1.600125
n _1.06	1.606884
n _t	1.607783
n _s	1.611786
n _r	1.617472
n _C	1.620308
n _C'	1.621114
n _0.6328	1.621872
n _D	1.625301
n _d	1.625454
n _e	1.629616
n _F	1.637877
n _F'	1.638931
n _g	1.648161
n _h	1.657103
n _i	1.673381
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7129
P_C,A'	0.3190
P_d,C	0.2929
P_e,C	0.5297
P_g,d	1.2924
P_g,F	0.5853
P_h,g	0.5089
P_i,g	1.4354
P_C',t	0.7587
P_e,C'	0.4839
P_F',e	0.5301
P_i,F'	1.9608

Density: 3.61 g/cm³

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	91
0 ~ 30	94
20 ~ 120	99
20 ~ 300	106

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	0.6
-60 ~ 20	e	-0.2
-60 ~ 20	D	-0.6
-60 ~ 20	C	-0.9
20 ~ 120	F	2.2
20 ~ 120	e	1.4
20 ~ 120	D	1
20 ~ 120	C	0.6