BaLF6 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.589039 n_e = 1.591677	V_d = 53.16 V_e = 52.87	n_F - n_C = 0.011079 n_F' - n_C' = 0.011189	Coloring: 0.31 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.4811792 C2 = -0.0093663791 C3 = 0.01529493 C4 = 0.00033395127 C5 = -0.0000018459216 C6 = 0.00000057756517

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.576940
n _s	1.579896
n _r	1.583817
n _C	1.585702
n _C'	1.586231
n _0.6328	1.586726
n _D	1.588941
n _d	1.589039
n _e	1.591677
n _F	1.596781
n _F'	1.597420
n _g	1.602919
n _h	1.608070
n _i	1.616970
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7908
P_C,A'	0.3398
P_d,C	0.3012
P_e,C	0.5393
P_g,d	1.2527
P_g,F	0.5540
P_h,g	0.4649
P_i,g	1.2682
P_C',t	0.8386
P_e,C'	0.4915
P_F',e	0.5184
P_i,F'	1.7645

transmittance: 10 mm
τ_0.31	0.067
τ_0.32	0.435
τ_0.33	0.763
τ_0.34	0.897
τ_0.35	0.953
τ_0.36	0.975
τ_0.37	0.987
τ_0.38	0.992
τ_0.39	0.995
τ_0.4	0.997
τ_0.42	0.998
τ_0.44	0.998
τ_0.46	0.998
τ_0.48	0.998
τ_0.5	0.998
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.995
τ_1.5	0.988
τ₂	0.96

transmittance: 25 mm
τ_0.32	0.125
τ_0.33	0.509
τ_0.34	0.762
τ_0.35	0.887
τ_0.36	0.94
τ_0.37	0.968
τ_0.38	0.982
τ_0.39	0.989
τ_0.4	0.992
τ_0.42	0.996
τ_0.44	0.996
τ_0.46	0.996
τ_0.48	0.996
τ_0.5	0.996
τ_0.55	0.996
τ_0.6	0.996
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.989
τ_1.5	0.971
τ₂	0.903

Poisson coef.: 0.251
Rigidity: 311 Pa*10⁸
Young module: 778 Pa*10⁸
Knoop hardness: 556
Abrasion: 140

Climatic resistance: 1
Resistance to acids: 2

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	79