E-LASKH2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.754999 n_e = 1.758438	V_d = 52.31 V_e = 52.08	n_F - n_C = 0.014431 n_F' - n_C' = 0.014562	Coloring: 0.348 - 0.284 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.01740929 C2 = -0.0150192115 C3 = 0.0220799937 C4 = 0.000476675587 C5 = -0.00000936464002 C6 = 0.000000963541852

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.748141
n _C	1.750624
n _C'	1.751320
n _0.6328	1.751970
n _D	1.754870
n _d	1.754999
n _e	1.758438
n _F	1.765056
n _F'	1.765882
n _g	1.772958
n _h	1.779544
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'	0.3447
P_d,C	0.3030
P_e,C	0.5414
P_g,d	1.2444
P_g,F	0.5475
P_h,g	0.4563
P_i,g	-----
P_C',t	-----
P_e,C'	0.4932
P_F',e	0.5158
P_i,F'	-----

transmittance: 10 mm
τ_0.3	0.07
τ_0.31	0.24
τ_0.32	0.48
τ_0.33	0.65
τ_0.34	0.78
τ_0.35	0.87
τ_0.36	0.924
τ_0.37	0.962
τ_0.38	0.984
τ_0.39	0.996
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	0.998
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	0.993
τ₂	0.966
τ_2.2	0.9
τ_2.4	0.65

Knoop hardness: 678
Abrasion: 62

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	70