E-SF03 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.846660 n_e = 1.855042	V_d = 23.77 V_e = 23.58	n_F - n_C = 0.035609 n_F' - n_C' = 0.036249	Coloring: 0.406 - 0.370 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.25492893 C2 = -0.0156026034 C3 = 0.0458228209 C4 = 0.0037273634 C5 = -0.000238976694 C6 = 0.0000342745142

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.830991
n _C	1.836491
n _C'	1.838068
n _0.6328	1.839557
n _D	1.846353
n _d	1.846660
n _e	1.855042
n _F	1.872100
n _F'	1.874318
n _g	1.894191
n _h	1.914280
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'	0.3029
P_d,C	0.2855
P_e,C	0.5209
P_g,d	1.3348
P_g,F	0.6203
P_h,g	0.5641
P_i,g	-----
P_C',t	-----
P_e,C'	0.4766
P_F',e	0.5413
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.05
τ_0.38	0.35
τ_0.39	0.61
τ_0.4	0.76
τ_0.42	0.9
τ_0.44	0.957
τ_0.46	0.982
τ_0.48	0.997
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	0.999
τ₂	0.998
τ_2.2	0.985
τ_2.4	0.961

Knoop hardness: 492
Abrasion: 179

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	102