F6 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.603245 n_e = 1.607015	V_d = 37.93 V_e = 37.67	n_F - n_C = 0.015900 n_F' - n_C' = 0.016110

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.60593 C3 = 0.0309713 C4 = -0.00966336 C5 = -0.000159943 C6 = -0.000477635 C7 = 0.000322347 C8 = 0.000237914 C9 = 0 C10 = 0 C11 = 0

Refraction index
n _2.3254	1.568897
n _1.9701	1.573965
n _1.5296	1.579597
n _1.06	1.586176
n _t	1.587018
n _s	1.590734
n _r	1.595964
n _C	1.598559
n _C'	1.599294
n _0.6328	1.599986
n _D	1.603106
n _d	1.603245
n _e	1.607015
n _F	1.614459
n _F'	1.615405
n _g	1.623668
n _h	1.631634
n _i	1.646009
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7257
P_C,A'	0.3230
P_d,C	0.2947
P_e,C	0.5318
P_g,d	1.2844
P_g,F	0.5791
P_h,g	0.5010
P_i,g	1.4051
P_C',t	0.7720
P_e,C'	0.4855
P_F',e	0.5276
P_i,F'	1.9247

Density: 3.48 g/cm³
Poisson coef.: 0.199
Rigidity: 237.8 Pa*10⁸
Young module: 570.4 Pa*10⁸
Optical stress coef.: 3.01 1/Pa*10¹²
Abrasion: 0.7

Climatic resistance: А
Resistance to acids: I

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	69
0 ~ 30	71
20 ~ 120	73
20 ~ 300	77

Temperature coefs. of n_abs
Temp. range, C	Wave length, mkm.	Value, 1/C*10^-6
-60 ~ 20	F	3.8
-60 ~ 20	e	3
-60 ~ 20	D	2.7
-60 ~ 20	C	2.4
20 ~ 120	F	5.6
20 ~ 120	e	4.9
20 ~ 120	D	4.5
20 ~ 120	C	4.1