E-SFS3 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.784696 n_e = 1.791728	V_d = 26.29 V_e = 26.08	n_F - n_C = 0.029841 n_F' - n_C' = 0.030354	Coloring: 0.399 - 0.367 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.05701152 C2 = -0.0132251945 C3 = 0.0390853018 C4 = 0.0025148016 C5 = -0.000131876542 C6 = 0.0000224898958

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.771469
n _C	1.776126
n _C'	1.777458
n _0.6328	1.778714
n _D	1.784438
n _d	1.784696
n _e	1.791728
n _F	1.805968
n _F'	1.807812
n _g	1.824279
n _h	1.840808
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'	0.3066
P_d,C	0.2871
P_e,C	0.5228
P_g,d	1.3264
P_g,F	0.6136
P_h,g	0.5538
P_i,g	-----
P_C',t	-----
P_e,C'	0.4781
P_F',e	0.5389
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.14
τ_0.38	0.46
τ_0.39	0.7
τ_0.4	0.82
τ_0.42	0.925
τ_0.44	0.959
τ_0.46	0.973
τ_0.48	0.982
τ_0.5	0.99
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.997

Knoop hardness: 492
Abrasion: 196

Resistance to acids: 1

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