E-SF6 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.805181 n_e = 1.812637	V_d = 25.43 V_e = 25.22	n_F - n_C = 0.031662 n_F' - n_C' = 0.032215	Coloring: 0.397 - 0.368 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.117837 C2 = -0.0119410737 C3 = 0.0443602265 C4 = 0.00181348056 C5 = 0.00000469669929 C6 = 0.0000161754136

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.791178
n _C	1.796105
n _C'	1.797516
n _0.6328	1.798846
n _D	1.804908
n _d	1.805181
n _e	1.812637
n _F	1.827768
n _F'	1.829731
n _g	1.847288
n _h	1.864937
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	-----
P_C,A'	0.3056
P_d,C	0.2866
P_e,C	0.5221
P_g,d	1.3298
P_g,F	0.6165
P_h,g	0.5574
P_i,g	-----
P_C',t	-----
P_e,C'	0.4775
P_F',e	0.5398
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.01
τ_0.37	0.19
τ_0.38	0.49
τ_0.39	0.69
τ_0.4	0.82
τ_0.42	0.923
τ_0.44	0.962
τ_0.46	0.983
τ_0.48	0.993
τ_0.5	0.997
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999
τ_0.8	0.999
τ_0.9	0.999
τ₁	0.999
τ_1.2	0.999
τ_1.4	0.999
τ_1.6	0.999
τ_1.8	0.995
τ₂	0.98
τ_2.2	0.941
τ_2.4	0.88

Knoop hardness: 482
Abrasion: 182

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	106