E-LF5 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.581439 n_e = 1.584822	V_d = 40.73 V_e = 40.46	n_F - n_C = 0.014272 n_F' - n_C' = 0.014454	Coloring: 0.377 - 0.352 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.44577168 C2 = -0.0100665627 C3 = 0.0184371468 C4 = 0.000644165105 C5 = -0.0000174180822 C6 = 0.00000377641526

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.574861
n _C	1.577215
n _C'	1.577880
n _0.6328	1.578504
n _D	1.581313
n _d	1.581439
n _e	1.584822
n _F	1.591487
n _F'	1.592334
n _g	1.599729
n _h	1.606869
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'	0.3278
P_d,C	0.2959
P_e,C	0.5330
P_g,d	1.2815
P_g,F	0.5774
P_h,g	0.5002
P_i,g	-----
P_C',t	-----
P_e,C'	0.4864
P_F',e	0.5263
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.01
τ_0.36	0.27
τ_0.37	0.66
τ_0.38	0.87
τ_0.39	0.949
τ_0.4	0.982
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	0.999
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	0.992
τ₂	0.983
τ_2.2	0.92
τ_2.4	0.9

Knoop hardness: 503
Abrasion: 125

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	86