SF03 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.846660 n_e = 1.855012	V_d = 23.88 V_e = 23.69	n_F - n_C = 0.035448 n_F' - n_C' = 0.036079	Coloring: 0.393 - 0.363 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.26133538 C2 = -0.0183279183 C3 = 0.0415516996 C4 = 0.00494908982 C5 = -0.000388454792 C6 = 0.0000383701444

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.831061
n _C	1.836532
n _C'	1.838102
n _0.6328	1.839584
n _D	1.846354
n _d	1.846660
n _e	1.855012
n _F	1.871981
n _F'	1.874181
n _g	1.893822
n _h	1.913521
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'	0.3025
P_d,C	0.2857
P_e,C	0.5213
P_g,d	1.3304
P_g,F	0.6161
P_h,g	0.5557
P_i,g	-----
P_C',t	-----
P_e,C'	0.4770
P_F',e	0.5407
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.01
τ_0.37	0.22
τ_0.38	0.56
τ_0.39	0.76
τ_0.4	0.86
τ_0.42	0.945
τ_0.44	0.973
τ_0.46	0.985
τ_0.48	0.991
τ_0.5	0.996
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	0.983
τ₂	0.98
τ_2.2	0.961
τ_2.4	0.94

Knoop hardness: 325
Abrasion: 299

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	92