E-LASF017 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.794997 n_e = 1.799172	V_d = 45.28 V_e = 45.04	n_F - n_C = 0.017554 n_F' - n_C' = 0.017743	Coloring: 0.369 - 0.324 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.14429212 C2 = -0.0156560059 C3 = 0.026364495 C4 = 0.000879416097 C5 = -0.0000351678468 C6 = 0.00000333709709

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.786783
n _C	1.789737
n _C'	1.790569
n _0.6328	1.791348
n _D	1.794841
n _d	1.794997
n _e	1.799172
n _F	1.807291
n _F'	1.808312
n _g	1.817118
n _h	1.825422
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'	0.3355
P_d,C	0.2996
P_e,C	0.5374
P_g,d	1.2601
P_g,F	0.5597
P_h,g	0.4730
P_i,g	-----
P_C',t	-----
P_e,C'	0.4900
P_F',e	0.5206
P_i,F'	-----

transmittance: 10 mm
τ_0.32	0.01
τ_0.33	0.09
τ_0.34	0.29
τ_0.35	0.51
τ_0.36	0.69
τ_0.37	0.81
τ_0.38	0.89
τ_0.39	0.939
τ_0.4	0.964
τ_0.42	0.989
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	0.99
τ₂	0.968
τ_2.2	0.905
τ_2.4	0.68

Knoop hardness: 707
Abrasion: 61

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	70