E-LASF02 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.799520 n_e = 1.804016	V_d = 42.24 V_e = 41.99	n_F - n_C = 0.018926 n_F' - n_C' = 0.019144	Coloring: 0.367 - 0.331 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.15611691 C2 = -0.0172799726 C3 = 0.0273336859 C4 = 0.00119991815 C5 = -0.0000625674387 C6 = 0.00000565571879

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.790713
n _C	1.793875
n _C'	1.794766
n _0.6328	1.795601
n _D	1.799353
n _d	1.799520
n _e	1.804016
n _F	1.812802
n _F'	1.813910
n _g	1.823514
n _h	1.832643
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'	0.3328
P_d,C	0.2982
P_e,C	0.5358
P_g,d	1.2677
P_g,F	0.5659
P_h,g	0.4823
P_i,g	-----
P_C',t	-----
P_e,C'	0.4887
P_F',e	0.5227
P_i,F'	-----

transmittance: 10 mm
τ_0.33	0.05
τ_0.34	0.28
τ_0.35	0.53
τ_0.36	0.71
τ_0.37	0.83
τ_0.38	0.903
τ_0.39	0.944
τ_0.4	0.971
τ_0.42	0.994
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	0.999
τ₂	0.978
τ_2.2	0.916
τ_2.4	0.7

Knoop hardness: 674
Abrasion: 75

Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	68