E-LAF02 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.720000 n_e = 1.723914	V_d = 43.68 V_e = 43.39	n_F - n_C = 0.016482 n_F' - n_C' = 0.016681	Coloring: 0.380 - 0.348 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.88761613 C2 = -0.0113224055 C3 = 0.0234620658 C4 = 0.000879155778 C5 = -0.0000393727241 C6 = 0.00000443531743

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.712381
n _C	1.715106
n _C'	1.715877
n _0.6328	1.716600
n _D	1.719855
n _d	1.720000
n _e	1.723914
n _F	1.731588
n _F'	1.732558
n _g	1.740979
n _h	1.749009
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	0.2968
P_e,C	0.5344
P_g,d	1.2728
P_g,F	0.5697
P_h,g	0.4872
P_i,g	-----
P_C',t	-----
P_e,C'	0.4876
P_F',e	0.5244
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.09
τ_0.36	0.39
τ_0.37	0.66
τ_0.38	0.82
τ_0.39	0.905
τ_0.4	0.951
τ_0.42	0.988
τ_0.44	0.999
τ_0.46	0.999
τ_0.48	0.999
τ_0.5	0.999
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999
τ_0.8	0.999
τ_0.9	0.999
τ₁	0.999
τ_1.2	0.999
τ_1.4	0.999
τ_1.6	0.999
τ_1.8	0.999
τ₂	0.983
τ_2.2	0.934
τ_2.4	0.81

Knoop hardness: 554
Abrasion: 160

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	82