E-LF7 - Hikari

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.575006 n_e = 1.578293	V_d = 41.48 V_e = 41.20	n_F - n_C = 0.013861 n_F' - n_C' = 0.014036	Coloring: 0.371 - 0.350 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.42793483 C2 = -0.0101841542 C3 = 0.01737719 C4 = 0.000782340309 C5 = -0.0000423035005 C6 = 0.00000502350788

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.568612
n _C	1.570900
n _C'	1.571547
n _0.6328	1.572153
n _D	1.574884
n _d	1.575006
n _e	1.578293
n _F	1.584762
n _F'	1.585583
n _g	1.592749
n _h	1.599662
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'	0.3282
P_d,C	0.2961
P_e,C	0.5333
P_g,d	1.2800
P_g,F	0.5762
P_h,g	0.4986
P_i,g	-----
P_C',t	-----
P_e,C'	0.4866
P_F',e	0.5259
P_i,F'	-----

Knoop hardness: 456
Abrasion: 115

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	78