K-BaFn3 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.664219 n_e = 1.667431	V_d = 49.18 V_e = 48.90	n_F - n_C = 0.013503 n_F' - n_C' = 0.013646	Coloring: 0.34 - 0.39 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.713194654163 C2 = -0.01081454532687 C3 = 0.01948414783692 C4 = 0.0004443054240255 C5 = -0.000004076627192262 C6 = 0.000001392964435354

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.649679
n _s	1.653182
n _r	1.657890
n _C	1.660168
n _C'	1.660809
n _0.6328	1.661409
n _D	1.664100
n _d	1.664219
n _e	1.667431
n _F	1.673672
n _F'	1.674456
n _g	1.681220
n _h	1.687599
n _i	1.698740
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7767
P_C,A'	0.3364
P_d,C	0.2999
P_e,C	0.5378
P_g,d	1.2590
P_g,F	0.5590
P_h,g	0.4723
P_i,g	1.2973
P_C',t	0.8242
P_e,C'	0.4903
P_F',e	0.5202
P_i,F'	1.7983

transmittance: 10 mm
τ_0.33	0.001
τ_0.34	0.07
τ_0.35	0.338
τ_0.36	0.615
τ_0.37	0.788
τ_0.38	0.88
τ_0.39	0.93
τ_0.4	0.956
τ_0.42	0.974
τ_0.44	0.981
τ_0.46	0.986
τ_0.48	0.99
τ_0.5	0.993
τ_0.55	0.995
τ_0.6	0.996
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.997
τ₂	0.975

transmittance: 25 mm
τ_0.34	0.001
τ_0.35	0.066
τ_0.36	0.297
τ_0.37	0.551
τ_0.38	0.728
τ_0.39	0.834
τ_0.4	0.893
τ_0.42	0.937
τ_0.44	0.953
τ_0.46	0.966
τ_0.48	0.976
τ_0.5	0.983
τ_0.55	0.989
τ_0.6	0.991
τ_0.65	0.994
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.992
τ₂	0.94

Poisson coef.: 0.271
Rigidity: 358 Pa*10⁸
Young module: 911 Pa*10⁸
Knoop hardness: 554
Abrasion: 174

Climatic resistance: 1
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	85