E-LAK13 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.693501 n_e = 1.696607	V_d = 53.20 V_e = 52.96	n_F - n_C = 0.013034 n_F' - n_C' = 0.013152	Coloring: 0.345 - 0.294 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.81365515 C2 = -0.0134879998 C3 = 0.0191920754 C4 = 0.000414986834 C5 = -0.00000745390097 C6 = 0.000000765453719

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.687302
n _C	1.689548
n _C'	1.690176
n _0.6328	1.690764
n _D	1.693385
n _d	1.693501
n _e	1.696607
n _F	1.702583
n _F'	1.703329
n _g	1.709716
n _h	1.715662
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'	0.3453
P_d,C	0.3032
P_e,C	0.5415
P_g,d	1.2440
P_g,F	0.5472
P_h,g	0.4561
P_i,g	-----
P_C',t	-----
P_e,C'	0.4933
P_F',e	0.5156
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.01
τ_0.3	0.08
τ_0.31	0.25
τ_0.32	0.44
τ_0.33	0.61
τ_0.34	0.75
τ_0.35	0.85
τ_0.36	0.914
τ_0.37	0.954
τ_0.38	0.98
τ_0.39	0.994
τ_0.4	0.999
τ_0.42	0.999
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	0.977
τ_2.2	0.916
τ_2.4	0.7

Knoop hardness: 618
Abrasion: 124

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	74