E-LLF1 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.548141 n_e = 1.550983	V_d = 45.78 V_e = 45.49	n_F - n_C = 0.011971 n_F' - n_C' = 0.012110	Coloring: 0.365 - 0.342 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.35111949 C2 = -0.00904795254 C3 = 0.0155546832 C4 = 0.000449505996 C5 = -0.0000102073128 C6 = 0.0000023449403

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.542570
n _C	1.544571
n _C'	1.545135
n _0.6328	1.545663
n _D	1.548035
n _d	1.548141
n _e	1.550983
n _F	1.556543
n _F'	1.557245
n _g	1.563348
n _h	1.569181
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'	0.3330
P_d,C	0.2981
P_e,C	0.5356
P_g,d	1.2702
P_g,F	0.5684
P_h,g	0.4872
P_i,g	-----
P_C',t	-----
P_e,C'	0.4885
P_F',e	0.5230
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.16
τ_0.36	0.58
τ_0.37	0.83
τ_0.38	0.926
τ_0.39	0.966
τ_0.4	0.981
τ_0.42	0.989
τ_0.44	0.991
τ_0.46	0.992
τ_0.48	0.994
τ_0.5	0.995
τ_0.55	0.996
τ_0.6	0.997
τ_0.65	0.994
τ_0.7	0.993
τ_0.8	0.993
τ_0.9	0.999
τ₁	0.999
τ_1.2	0.999
τ_1.4	0.994
τ_1.6	0.994
τ_1.8	0.988
τ₂	0.982
τ_2.2	0.919
τ_2.4	0.902

Knoop hardness: 467
Abrasion: 126

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	78