E-F1 - Hikari

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.625882 n_e = 1.630040	V_d = 35.64 V_e = 35.39	n_F - n_C = 0.017556 n_F' - n_C' = 0.017800	Coloring: 0.383 - 0.359 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.56251919 C2 = -0.00314623487 C3 = 0.0291600242 C4 = -0.000870730012 C5 = 0.000226533195 C6 = -0.00000861239946

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.617885
n _C	1.620728
n _C'	1.621536
n _0.6328	1.622295
n _D	1.625728
n _d	1.625882
n _e	1.630040
n _F	1.638284
n _F'	1.639336
n _g	1.648556
n _h	1.657475
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	-----
P_C,A'	0.3195
P_d,C	0.2935
P_e,C	0.5303
P_g,d	1.2915
P_g,F	0.5850
P_h,g	0.5080
P_i,g	-----
P_C',t	-----
P_e,C'	0.4843
P_F',e	0.5295
P_i,F'	-----

Knoop hardness: 476
Abrasion: 105

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	83