BaF1 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.556899 n_e = 1.559630	V_d = 48.50 V_e = 48.20	n_F - n_C = 0.011480 n_F' - n_C' = 0.011608	Coloring: 0.31 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.3807194 C2 = -0.0088628548 C3 = 0.01413266 C4 = 0.0007781352 C5 = -0.000061040108 C6 = 0.0000041652323

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.544680
n _s	1.547604
n _r	1.551549
n _C	1.553469
n _C'	1.554011
n _0.6328	1.554518
n _D	1.556797
n _d	1.556899
n _e	1.559630
n _F	1.564950
n _F'	1.565619
n _g	1.571399
n _h	1.576860
n _i	1.586459
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7655
P_C,A'	0.3328
P_d,C	0.2987
P_e,C	0.5365
P_g,d	1.2629
P_g,F	0.5617
P_h,g	0.4756
P_i,g	1.3117
P_C',t	0.8127
P_e,C'	0.4894
P_F',e	0.5217
P_i,F'	1.8151

transmittance: 10 mm
τ_0.31	0.05
τ_0.32	0.36
τ_0.33	0.714
τ_0.34	0.873
τ_0.35	0.947
τ_0.36	0.975
τ_0.37	0.985
τ_0.38	0.988
τ_0.39	0.995
τ_0.4	0.997
τ_0.42	0.997
τ_0.44	0.997
τ_0.46	0.997
τ_0.48	0.997
τ_0.5	0.997
τ_0.55	0.997
τ_0.6	0.997
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	0.918

transmittance: 25 mm
τ_0.32	0.078
τ_0.33	0.43
τ_0.34	0.714
τ_0.35	0.874
τ_0.36	0.94
τ_0.37	0.964
τ_0.38	0.971
τ_0.39	0.989
τ_0.4	0.992
τ_0.42	0.992
τ_0.44	0.992
τ_0.46	0.992
τ_0.48	0.992
τ_0.5	0.992
τ_0.55	0.992
τ_0.6	0.992
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.992
τ₂	0.807

Poisson coef.: 0.233
Rigidity: 243 Pa*10⁸
Young module: 600 Pa*10⁸
Knoop hardness: 427
Abrasion: 140

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	108