E-BAF3 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.582670 n_e = 1.585647	V_d = 46.47 V_e = 46.18	n_F - n_C = 0.012536 n_F' - n_C' = 0.012680	Coloring: 0.377 - 0.358 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.43868193 C2 = 0.00160996098 C3 = 0.0268882943 C4 = -0.00244657917 C5 = 0.000396566086 C6 = -0.000019730459

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.576833
n _C	1.578925
n _C'	1.579517
n _0.6328	1.580071
n _D	1.582559
n _d	1.582670
n _e	1.585647
n _F	1.591462
n _F'	1.592197
n _g	1.598574
n _h	1.604613
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'	0.3305
P_d,C	0.2986
P_e,C	0.5361
P_g,d	1.2686
P_g,F	0.5672
P_h,g	0.4817
P_i,g	-----
P_C',t	-----
P_e,C'	0.4890
P_F',e	0.5224
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.08
τ_0.36	0.45
τ_0.37	0.76
τ_0.38	0.901
τ_0.39	0.958
τ_0.4	0.984
τ_0.42	0.999
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	0.989
τ_1.6	0.999
τ_1.8	0.988
τ₂	0.977
τ_2.2	0.9
τ_2.4	0.86

Knoop hardness: 521
Abrasion: 97

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	76