TF11 - GOST Rus

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.648782 n_e = 1.653628	V_d = 31.59 V_e = 31.33	n_F - n_C = 0.020537 n_F' - n_C' = 0.020859

Type: Resnik
Spectral range: 0.36501 - 2.6 mkm.
C1 = 0.028 C2 = 1.656 C3 = 0.0415057 C4 = -0.0096154 C5 = 0.00137847 C6 = 0.000369192 C7 = 0.000696119 C8 = 0.000415937 C9 = -0.000538634 C10 = -0.00192754 C11 = 0.00115904

Refraction index
n _2.3254	1.608156
n _1.9701	1.613373
n _1.5296	1.619601
n _1.06	1.627408
n _t	1.628430
n _s	1.633003
n _r	1.639547
n _C	1.642822
n _C'	1.643754
n _0.6328	1.644630
n _D	1.648603
n _d	1.648782
n _e	1.653628
n _F	1.663359
n _F'	1.664613
n _g	1.675715
n _h	1.686703
n _i	1.707838
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7007
P_C,A'	0.3148
P_d,C	0.2901
P_e,C	0.5261
P_g,d	1.3114
P_g,F	0.6015
P_h,g	0.5350
P_i,g	1.5641
P_C',t	0.7461
P_e,C'	0.4808
P_F',e	0.5348
P_i,F'	2.1046

Density: 3.04 g/cm³
Poisson coef.: 0.259
Young module: 678 Pa*10⁸
Optical stress coef.: 2.8 1/Pa*10¹²
Abrasion: 0.4

Climatic resistance: А
Resistance to acids: I

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
-60 ~ 20	98
0 ~ 30	102
20 ~ 120	107
20 ~ 300	116