E-LASF014 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.788001 n_e = 1.791959	V_d = 47.37 V_e = 47.13	n_F - n_C = 0.016631 n_F' - n_C' = 0.016802	Coloring: 0.353 - 0.317 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.12215038 C2 = -0.0147958367 C3 = 0.0260452483 C4 = 0.000507811768 C5 = 0.00000571446833 C6 = 0.000000882357872

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.780179
n _C	1.782999
n _C'	1.783791
n _0.6328	1.784533
n _D	1.787853
n _d	1.788001
n _e	1.791959
n _F	1.799630
n _F'	1.800593
n _g	1.808878
n _h	1.816660
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'	0.3383
P_d,C	0.3007
P_e,C	0.5387
P_g,d	1.2552
P_g,F	0.5559
P_h,g	0.4678
P_i,g	-----
P_C',t	-----
P_e,C'	0.4911
P_F',e	0.5191
P_i,F'	-----

transmittance: 10 mm
τ_0.32	0.1
τ_0.33	0.34
τ_0.34	0.57
τ_0.35	0.73
τ_0.36	0.83
τ_0.37	0.9
τ_0.38	0.932
τ_0.39	0.953
τ_0.4	0.966
τ_0.42	0.977
τ_0.44	0.983
τ_0.46	0.986
τ_0.48	0.989
τ_0.5	0.991
τ_0.55	0.993
τ_0.6	0.994
τ_0.65	0.995
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	0.995
τ_1.8	0.982
τ₂	0.961
τ_2.2	0.9
τ_2.4	0.68

Knoop hardness: 632
Abrasion: 59

Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	71