E-LAKH1 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.748267 n_e = 1.751634	V_d = 53.00 V_e = 52.69	n_F - n_C = 0.014117 n_F' - n_C' = 0.014262	Coloring: 0.347 - 0.289 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.98243942 C2 = -0.00202422946 C3 = 0.0267906679 C4 = -0.000632301437 C5 = 0.000110898621 C6 = -0.0000041584108

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.741662
n _C	1.744026
n _C'	1.744696
n _0.6328	1.745323
n _D	1.748142
n _d	1.748267
n _e	1.751634
n _F	1.758144
n _F'	1.758958
n _g	1.765943
n _h	1.772459
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'	0.3313
P_d,C	0.3004
P_e,C	0.5388
P_g,d	1.2520
P_g,F	0.5524
P_h,g	0.4615
P_i,g	-----
P_C',t	-----
P_e,C'	0.4914
P_F',e	0.5188
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.01
τ_0.3	0.13
τ_0.31	0.31
τ_0.32	0.51
τ_0.33	0.65
τ_0.34	0.77
τ_0.35	0.85
τ_0.36	0.904
τ_0.37	0.942
τ_0.38	0.965
τ_0.39	0.975
τ_0.4	0.984
τ_0.42	0.99
τ_0.44	0.994
τ_0.46	0.996
τ_0.48	0.998
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	0.998
τ_1.8	0.988
τ₂	0.96
τ_2.2	0.88
τ_2.4	0.63

Knoop hardness: 613
Abrasion: 64

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	69