E-LAK09 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.734000 n_e = 1.737396	V_d = 51.48 V_e = 51.24	n_F - n_C = 0.014257 n_F' - n_C' = 0.014388	Coloring: 0.346 - 0.283 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.95310231 C2 = -0.0196724731 C3 = 0.0174257922 C4 = 0.00152866545 C5 = -0.000137028672 C6 = 0.00000672353302

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.727232
n _C	1.729685
n _C'	1.730370
n _0.6328	1.731012
n _D	1.733873
n _d	1.734000
n _e	1.737396
n _F	1.743942
n _F'	1.744759
n _g	1.751753
n _h	1.758253
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	0.3026
P_e,C	0.5408
P_g,d	1.2452
P_g,F	0.5479
P_h,g	0.4558
P_i,g	-----
P_C',t	-----
P_e,C'	0.4927
P_F',e	0.5164
P_i,F'	-----

transmittance: 10 mm
τ_0.28	0.01
τ_0.29	0.09
τ_0.3	0.26
τ_0.31	0.43
τ_0.32	0.58
τ_0.33	0.7
τ_0.34	0.79
τ_0.35	0.86
τ_0.36	0.912
τ_0.37	0.943
τ_0.38	0.964
τ_0.39	0.975
τ_0.4	0.981
τ_0.42	0.989
τ_0.44	0.993
τ_0.46	0.997
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	0.987
τ₂	0.955
τ_2.2	0.86
τ_2.4	0.6

Knoop hardness: 629
Abrasion: 76

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	69