E-LAK02 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.670000 n_e = 1.672786	V_d = 57.34 V_e = 57.09	n_F - n_C = 0.011683 n_F' - n_C' = 0.011784	Coloring: 0.344 - 0.292 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.74241958 C2 = -0.0130203862 C3 = 0.0159689321 C4 = 0.000709178831 C5 = -0.0000608192466 C6 = 0.00000351166538

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.664429
n _C	1.666449
n _C'	1.667014
n _0.6328	1.667542
n _D	1.669895
n _d	1.670000
n _e	1.672786
n _F	1.678132
n _F'	1.678798
n _g	1.684486
n _h	1.689760
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'	0.3467
P_d,C	0.3039
P_e,C	0.5423
P_g,d	1.2398
P_g,F	0.5437
P_h,g	0.4514
P_i,g	-----
P_C',t	-----
P_e,C'	0.4940
P_F',e	0.5145
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.04
τ_0.3	0.18
τ_0.31	0.36
τ_0.32	0.54
τ_0.33	0.68
τ_0.34	0.79
τ_0.35	0.86
τ_0.36	0.915
τ_0.37	0.948
τ_0.38	0.971
τ_0.39	0.981
τ_0.4	0.989
τ_0.42	0.996
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	0.988
τ₂	0.966
τ_2.2	0.87
τ_2.4	0.66

Knoop hardness: 631
Abrasion: 139

Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	88