LAF11 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.756920 n_e = 1.762593	V_d = 31.70 V_e = 31.46	n_F - n_C = 0.023873 n_F' - n_C' = 0.024237	Coloring: 0.387 - 0.344 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.80963092 C2 = 0.114276691 C3 = 0.125106388 C4 = -0.0221708952 C5 = 0.00291617555 C6 = -0.000135685507

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.746306
n _C	1.749960
n _C'	1.751034
n _0.6328	1.752053
n _D	1.756710
n _d	1.756920
n _e	1.762593
n _F	1.773834
n _F'	1.775271
n _g	1.787948
n _h	1.800266
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'	0.2864
P_d,C	0.2915
P_e,C	0.5291
P_g,d	1.2996
P_g,F	0.5911
P_h,g	0.5159
P_i,g	-----
P_C',t	-----
P_e,C'	0.4841
P_F',e	0.5310
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.12
τ_0.37	0.45
τ_0.38	0.73
τ_0.39	0.87
τ_0.4	0.939
τ_0.42	0.988
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	0.984
τ_2.2	0.9
τ_2.4	0.78

Knoop hardness: 426
Abrasion: 216

Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	64