E-SF10 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.728250 n_e = 1.734286	V_d = 28.45 V_e = 28.23	n_F - n_C = 0.025588 n_F' - n_C' = 0.026008	Coloring: 0.399 - 0.369 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.87968193 C2 = -0.0123038115 C3 = 0.033443025 C4 = 0.00183471163 C5 = -0.0000812508073 C6 = 0.0000159440837

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.716829
n _C	1.720862
n _C'	1.722014
n _0.6328	1.723098
n _D	1.728028
n _d	1.728250
n _e	1.734286
n _F	1.746451
n _F'	1.748022
n _g	1.762000
n _h	1.775950
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'	0.3103
P_d,C	0.2886
P_e,C	0.5245
P_g,d	1.3189
P_g,F	0.6076
P_h,g	0.5451
P_i,g	-----
P_C',t	-----
P_e,C'	0.4795
P_F',e	0.5368
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.11
τ_0.38	0.44
τ_0.39	0.7
τ_0.4	0.84
τ_0.42	0.942
τ_0.44	0.976
τ_0.46	0.989
τ_0.48	0.999
τ_0.5	0.999
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	0.99
τ₂	0.983
τ_2.2	0.945
τ_2.4	0.909

Knoop hardness: 555
Abrasion: 160

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	96