E-LASF01 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.785900 n_e = 1.790127	V_d = 44.17 V_e = 43.92	n_F - n_C = 0.017790 n_F' - n_C' = 0.017988	Coloring: 0.366 - 0.332 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.10625626 C2 = -0.0130242032 C3 = 0.0300056853 C4 = -0.000279459588 C5 = 0.000147953845 C6 = -0.00000692451309

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.777589
n _C	1.780578
n _C'	1.781419
n _0.6328	1.782208
n _D	1.785742
n _d	1.785900
n _e	1.790127
n _F	1.798369
n _F'	1.799407
n _g	1.808388
n _h	1.816868
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'	0.3348
P_d,C	0.2991
P_e,C	0.5367
P_g,d	1.2640
P_g,F	0.5631
P_h,g	0.4766
P_i,g	-----
P_C',t	-----
P_e,C'	0.4894
P_F',e	0.5216
P_i,F'	-----

transmittance: 10 mm
τ_0.32	0.02
τ_0.33	0.19
τ_0.34	0.44
τ_0.35	0.63
τ_0.36	0.77
τ_0.37	0.85
τ_0.38	0.914
τ_0.39	0.949
τ_0.4	0.968
τ_0.42	0.988
τ_0.44	0.997
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	0.998
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	0.99
τ₂	0.965
τ_2.2	0.9
τ_2.4	0.69

Knoop hardness: 621
Abrasion: 76

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	76