E-LAFH2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.803839 n_e = 1.809452	V_d = 33.88 V_e = 33.63	n_F - n_C = 0.023719 n_F' - n_C' = 0.024062	Coloring: 0.392 - 0.360 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.1493362 C2 = -0.0148382096 C3 = 0.0335324542 C4 = 0.00159644183 C5 = -0.0000706244061 C6 = 0.0000115814159

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.793078
n _C	1.796903
n _C'	1.797989
n _0.6328	1.799011
n _D	1.803633
n _d	1.803839
n _e	1.809452
n _F	1.820622
n _F'	1.822052
n _g	1.834635
n _h	1.846957
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'	0.3188
P_d,C	0.2924
P_e,C	0.5290
P_g,d	1.2983
P_g,F	0.5907
P_h,g	0.5195
P_i,g	-----
P_C',t	-----
P_e,C'	0.4832
P_F',e	0.5312
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.11
τ_0.37	0.42
τ_0.38	0.67
τ_0.39	0.79
τ_0.4	0.86
τ_0.42	0.921
τ_0.44	0.951
τ_0.46	0.968
τ_0.48	0.982
τ_0.5	0.991
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.998
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	0.994
τ₂	0.984
τ_2.2	0.945
τ_2.4	0.8

Knoop hardness: 600
Abrasion: 78

Resistance to acids: 3

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