E-LAK9 - Hikari

Diagram n (λ)

n calculation

Analogue search

Main parameters
n_d = 1.691000 n_e = 1.694008	V_d = 54.81 V_e = 54.59	n_F - n_C = 0.012606 n_F' - n_C' = 0.012711	Coloring: 0.358 - 0.301 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.78211953 C2 = 0.00386988792 C3 = 0.0322993842 C4 = -0.00317915886 C5 = 0.000435836848 C6 = -0.0000206224134

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.684983
n _C	1.687156
n _C'	1.687767
n _0.6328	1.688339
n _D	1.690887
n _d	1.691000
n _e	1.694008
n _F	1.699762
n _F'	1.700479
n _g	1.706615
n _h	1.712314
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'	0.3422
P_d,C	0.3048
P_e,C	0.5435
P_g,d	1.2386
P_g,F	0.5435
P_h,g	0.4520
P_i,g	-----
P_C',t	-----
P_e,C'	0.4950
P_F',e	0.5133
P_i,F'	-----

Knoop hardness: 679
Abrasion: 79

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	75