E-SK14 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.603112 n_e = 1.605482	V_d = 60.66 V_e = 60.41	n_F - n_C = 0.009940 n_F' - n_C' = 0.010022	Coloring: 0.338 - 0.306 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.53104523 C2 = -0.0107742896 C3 = 0.0140100006 C4 = 0.000247886041 C5 = -0.0000010881644 C6 = 0.000000103415548

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.598349
n _C	1.600081
n _C'	1.600564
n _0.6328	1.601015
n _D	1.603023
n _d	1.603112
n _e	1.605482
n _F	1.610022
n _F'	1.610586
n _g	1.615408
n _h	1.619870
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'	0.3500
P_d,C	0.3048
P_e,C	0.5433
P_g,d	1.2369
P_g,F	0.5418
P_h,g	0.4488
P_i,g	-----
P_C',t	-----
P_e,C'	0.4947
P_F',e	0.5134
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.03
τ_0.3	0.16
τ_0.31	0.38
τ_0.32	0.59
τ_0.33	0.75
τ_0.34	0.85
τ_0.35	0.917
τ_0.36	0.953
τ_0.37	0.973
τ_0.38	0.984
τ_0.39	0.988
τ_0.4	0.993
τ_0.42	0.995
τ_0.44	0.995
τ_0.46	0.996
τ_0.48	0.998
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: 574
Abrasion: 126

Resistance to acids: 4

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