E-LAF9 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.795040 n_e = 1.801611	V_d = 28.54 V_e = 28.31	n_F - n_C = 0.027854 n_F' - n_C' = 0.028311	Coloring: 0.400 - 0.367 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.10092155 C2 = -0.0137498298 C3 = 0.0378092579 C4 = 0.00207799755 C5 = -0.000091620965 C6 = 0.0000179829707

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.782609
n _C	1.786998
n _C'	1.788251
n _0.6328	1.789432
n _D	1.794798
n _d	1.795040
n _e	1.801611
n _F	1.814852
n _F'	1.816562
n _g	1.831773
n _h	1.846947
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'	0.3103
P_d,C	0.2886
P_e,C	0.5245
P_g,d	1.3187
P_g,F	0.6074
P_h,g	0.5447
P_i,g	-----
P_C',t	-----
P_e,C'	0.4796
P_F',e	0.5367
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.01
τ_0.37	0.1
τ_0.38	0.4
τ_0.39	0.65
τ_0.4	0.79
τ_0.42	0.906
τ_0.44	0.946
τ_0.46	0.964
τ_0.48	0.976
τ_0.5	0.984
τ_0.55	0.996
τ_0.6	0.997
τ_0.65	0.996
τ_0.7	0.999

Knoop hardness: 612
Abrasion: 141

Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	85