BaF10 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.670028 n_e = 1.673403	V_d = 47.19 V_e = 46.89	n_F - n_C = 0.014197 n_F' - n_C' = 0.014359	Coloring: 0.35 - 0.40 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 2.7285663 C2 = -0.0096871822 C3 = 0.020640158 C4 = 0.00047067741 C5 = -0.0000044169395 C6 = 0.0000020375466

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.655030
n _s	1.658567
n _r	1.663420
n _C	1.665790
n _C'	1.666459
n _0.6328	1.667086
n _D	1.669902
n _d	1.670028
n _e	1.673403
n _F	1.679988
n _F'	1.680818
n _g	1.688002
n _h	1.694819
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7579
P_C,A'	0.3320
P_d,C	0.2984
P_e,C	0.5361
P_g,d	1.2659
P_g,F	0.5644
P_h,g	0.4801
P_i,g	-----
P_C',t	0.8050
P_e,C'	0.4890
P_F',e	0.5222
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.076
τ_0.36	0.289
τ_0.37	0.558
τ_0.38	0.746
τ_0.39	0.786
τ_0.4	0.915
τ_0.42	0.964
τ_0.44	0.978
τ_0.46	0.985
τ_0.48	0.99
τ_0.5	0.995
τ_0.55	0.997
τ_0.6	0.997
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.98

transmittance: 25 mm
τ_0.36	0.045
τ_0.37	0.232
τ_0.38	0.481
τ_0.39	0.547
τ_0.4	0.801
τ_0.42	0.913
τ_0.44	0.947
τ_0.46	0.964
τ_0.48	0.975
τ_0.5	0.989
τ_0.55	0.992
τ_0.6	0.992
τ_0.65	0.992
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.95

Poisson coef.: 0.279
Rigidity: 330 Pa*10⁸
Young module: 845 Pa*10⁸
Knoop hardness: 514
Abrasion: 190

Climatic resistance: 1
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	87