E-BAF8 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.623740 n_e = 1.626893	V_d = 47.04 V_e = 46.76	n_F - n_C = 0.013258 n_F' - n_C' = 0.013406	Coloring: 0.371 - 0.346 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.58072694 C2 = -0.00826682499 C3 = 0.0192773695 C4 = 0.000287391647 C5 = 0.0000154399962 C6 = 0.000000463747358

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.617561
n _C	1.619778
n _C'	1.620403
n _0.6328	1.620989
n _D	1.623622
n _d	1.623740
n _e	1.626893
n _F	1.633036
n _F'	1.633810
n _g	1.640492
n _h	1.646809
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'	0.3324
P_d,C	0.2988
P_e,C	0.5366
P_g,d	1.2635
P_g,F	0.5623
P_h,g	0.4764
P_i,g	-----
P_C',t	-----
P_e,C'	0.4894
P_F',e	0.5217
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.12
τ_0.36	0.47
τ_0.37	0.73
τ_0.38	0.86
τ_0.39	0.921
τ_0.4	0.849
τ_0.42	0.974
τ_0.44	0.981
τ_0.46	0.986
τ_0.48	0.99
τ_0.5	0.994
τ_0.55	0.997
τ_0.6	0.997
τ_0.65	0.998
τ_0.7	0.999

Knoop hardness: 511
Abrasion: 124

Resistance to acids: 2

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