E-LAF11 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.756920 n_e = 1.762584	V_d = 31.59 V_e = 31.34	n_F - n_C = 0.023959 n_F' - n_C' = 0.024326	Coloring: 0.390 - 0.359 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.98504551 C2 = -0.012861773 C3 = 0.0312839577 C4 = 0.00217089493 C5 = -0.000162580251 C6 = 0.0000182003929

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.746137
n _C	1.749954
n _C'	1.751041
n _0.6328	1.752065
n _D	1.756711
n _d	1.756920
n _e	1.762584
n _F	1.773913
n _F'	1.775368
n _g	1.788217
n _h	1.800900
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'	0.3140
P_d,C	0.2907
P_e,C	0.5271
P_g,d	1.3062
P_g,F	0.5969
P_h,g	0.5293
P_i,g	-----
P_C',t	-----
P_e,C'	0.4817
P_F',e	0.5335
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.08
τ_0.37	0.41
τ_0.38	0.68
τ_0.39	0.81
τ_0.4	0.89
τ_0.42	0.948
τ_0.44	0.971
τ_0.46	0.983
τ_0.48	0.99
τ_0.5	0.996
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.998
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	0.986
τ₂	0.967
τ_2.2	0.911
τ_2.4	0.82

Knoop hardness: 539
Abrasion: 170

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	91