E-LAK14 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.696797 n_e = 1.699788	V_d = 55.52 V_e = 55.30	n_F - n_C = 0.012549 n_F' - n_C' = 0.012654	Coloring: 0.349 - 0.286 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.8276674 C2 = -0.0146359226 C3 = 0.0183760559 C4 = 0.000420548979 C5 = -0.0000131827801 C6 = 0.000000974806017

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.690790
n _C	1.692973
n _C'	1.693583
n _0.6328	1.694152
n _D	1.696685
n _d	1.696797
n _e	1.699788
n _F	1.705523
n _F'	1.706237
n _g	1.712340
n _h	1.718002
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'	0.3496
P_d,C	0.3046
P_e,C	0.5430
P_g,d	1.2385
P_g,F	0.5431
P_h,g	0.4511
P_i,g	-----
P_C',t	-----
P_e,C'	0.4944
P_F',e	0.5138
P_i,F'	-----

transmittance: 10 mm
τ_0.28	0.01
τ_0.29	0.04
τ_0.3	0.11
τ_0.31	0.22
τ_0.32	0.36
τ_0.33	0.52
τ_0.34	0.67
τ_0.35	0.79
τ_0.36	0.87
τ_0.37	0.931
τ_0.38	0.964
τ_0.39	0.985
τ_0.4	0.995
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	0.987
τ₂	0.962
τ_2.2	0.85
τ_2.4	0.59

Knoop hardness: 632
Abrasion: 76

Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	71