E-BAF12 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.639300 n_e = 1.642682	V_d = 44.88 V_e = 44.59	n_F - n_C = 0.014243 n_F' - n_C' = 0.014410	Coloring: 0.376 - 0.350 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.62833748 C2 = -0.0100974072 C3 = 0.0203176439 C4 = 0.000375302287 C5 = 0.0000145983254 C6 = 0.00000137126433

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.632680
n _C	1.635056
n _C'	1.635726
n _0.6328	1.636353
n _D	1.639174
n _d	1.639300
n _e	1.642682
n _F	1.649299
n _F'	1.650136
n _g	1.657397
n _h	1.664329
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'	0.3319
P_d,C	0.2979
P_e,C	0.5354
P_g,d	1.2705
P_g,F	0.5685
P_h,g	0.4866
P_i,g	-----
P_C',t	-----
P_e,C'	0.4883
P_F',e	0.5232
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.06
τ_0.36	0.38
τ_0.37	0.69
τ_0.38	0.85
τ_0.39	0.922
τ_0.4	0.956
τ_0.42	0.981
τ_0.44	0.988
τ_0.46	0.992
τ_0.48	0.995
τ_0.5	0.988
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	0.992
τ₂	0.979
τ_2.2	0.925
τ_2.4	0.83

Knoop hardness: 535
Abrasion: 144

Resistance to acids: 2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	80