E-LAK10 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.719995 n_e = 1.723408	V_d = 50.22 V_e = 49.96	n_F - n_C = 0.014334 n_F' - n_C' = 0.014477	Coloring: 0.360 - 0.323 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.89528358 C2 = -0.0117686807 C3 = 0.0222295765 C4 = 0.000269351264 C5 = 0.0000223005932 C6 = -0.00000043546434

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.713241
n _C	1.715676
n _C'	1.716361
n _0.6328	1.717001
n _D	1.719867
n _d	1.719995
n _e	1.723408
n _F	1.730011
n _F'	1.730838
n _g	1.737947
n _h	1.744600
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'	0.3391
P_d,C	0.3012
P_e,C	0.5393
P_g,d	1.2523
P_g,F	0.5536
P_h,g	0.4641
P_i,g	-----
P_C',t	-----
P_e,C'	0.4916
P_F',e	0.5183
P_i,F'	-----

transmittance: 10 mm
τ_0.3	0.01
τ_0.31	0.12
τ_0.32	0.31
τ_0.33	0.51
τ_0.34	0.67
τ_0.35	0.79
τ_0.36	0.87
τ_0.37	0.916
τ_0.38	0.947
τ_0.39	0.964
τ_0.4	0.973
τ_0.42	0.984
τ_0.44	0.988
τ_0.46	0.993
τ_0.48	0.996
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

Knoop hardness: 629
Abrasion: 100

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	82