BaSF12 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.669981 n_e = 1.674033	V_d = 39.20 V_e = 38.92	n_F - n_C = 0.017087 n_F' - n_C' = 0.017314	Coloring: 0.35 - 0.40 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 2.7157255 C2 = -0.0085850692 C3 = 0.02429997 C4 = 0.00065374795 C5 = -0.0000026114074 C6 = 0.0000037821413

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.652619
n _s	1.656564
n _r	1.662162
n _C	1.664947
n _C'	1.665737
n _0.6328	1.666479
n _D	1.669831
n _d	1.669981
n _e	1.674033
n _F	1.682034
n _F'	1.683052
n _g	1.691941
n _h	1.700519
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7214
P_C,A'	0.3224
P_d,C	0.2945
P_e,C	0.5317
P_g,d	1.2851
P_g,F	0.5797
P_h,g	0.5020
P_i,g	-----
P_C',t	0.7676
P_e,C'	0.4854
P_F',e	0.5278
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.027
τ_0.36	0.255
τ_0.37	0.576
τ_0.38	0.775
τ_0.39	0.873
τ_0.4	0.922
τ_0.42	0.96
τ_0.44	0.974
τ_0.46	0.981
τ_0.48	0.982
τ_0.5	0.985
τ_0.55	0.99
τ_0.6	0.992
τ_0.65	0.994
τ_0.7	0.995
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.982

transmittance: 25 mm
τ_0.36	0.033
τ_0.37	0.252
τ_0.38	0.529
τ_0.39	0.714
τ_0.4	0.817
τ_0.42	0.903
τ_0.44	0.937
τ_0.46	0.954
τ_0.48	0.957
τ_0.5	0.964
τ_0.55	0.975
τ_0.6	0.982
τ_0.65	0.985
τ_0.7	0.989
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.957

Poisson coef.: 0.261
Rigidity: 295 Pa*10⁸
Young module: 745 Pa*10⁸
Knoop hardness: 574
Abrasion: 190

Climatic resistance: 1
Resistance to acids: 3

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