E-FK01 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.497000 n_e = 1.498453	V_d = 81.62 V_e = 81.22	n_F - n_C = 0.006088 n_F' - n_C' = 0.006136	Coloring: 0.336 - 0.290 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.22250469 C2 = -0.00850804282 C3 = 0.005666787 C4 = 0.00084184905 C5 = -0.00009804141 C6 = 0.00000491868528

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.494081
n _C	1.495142
n _C'	1.495438
n _0.6328	1.495715
n _D	1.496945
n _d	1.497000
n _e	1.498453
n _F	1.501231
n _F'	1.501575
n _g	1.504502
n _h	1.507191
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'	0.3509
P_d,C	0.3050
P_e,C	0.5437
P_g,d	1.2321
P_g,F	0.5372
P_h,g	0.4417
P_i,g	-----
P_C',t	-----
P_e,C'	0.4951
P_F',e	0.5127
P_i,F'	-----

transmittance: 10 mm
τ_0.28	0.01
τ_0.29	0.06
τ_0.3	0.2
τ_0.31	0.41
τ_0.32	0.63
τ_0.33	0.8
τ_0.34	0.9
τ_0.35	0.953
τ_0.36	0.98
τ_0.37	0.992
τ_0.38	0.999
τ_0.39	0.999
τ_0.4	0.999
τ_0.42	0.999
τ_0.44	0.999
τ_0.46	0.999
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	0.996
τ₂	0.995
τ_2.2	0.988
τ_2.4	0.991

Knoop hardness: 340
Abrasion: 504

Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	153