E-LAK011 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.741000 n_e = 1.744354	V_d = 52.67 V_e = 52.44	n_F - n_C = 0.014068 n_F' - n_C' = 0.014193	Coloring: 0.347 - 0.289 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.97199342 C2 = -0.0152435249 C3 = 0.0202061158 C4 = 0.000875252167 C5 = -0.0000767180744 C6 = 0.00000484807195

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.734311
n _C	1.736733
n _C'	1.737411
n _0.6328	1.738045
n _D	1.740874
n _d	1.741000
n _e	1.744354
n _F	1.750801
n _F'	1.751605
n _g	1.758482
n _h	1.764882
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	0.3032
P_e,C	0.5417
P_g,d	1.2427
P_g,F	0.5459
P_h,g	0.4548
P_i,g	-----
P_C',t	-----
P_e,C'	0.4935
P_F',e	0.5154
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.01
τ_0.3	0.09
τ_0.31	0.26
τ_0.32	0.49
τ_0.33	0.65
τ_0.34	0.77
τ_0.35	0.86
τ_0.36	0.912
τ_0.37	0.948
τ_0.38	0.971
τ_0.39	0.982
τ_0.4	0.99
τ_0.42	0.997
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	0.88
τ_2.4	0.62

Knoop hardness: 635
Abrasion: 50

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	67