E-K5 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.522490 n_e = 1.524576	V_d = 59.73 V_e = 59.45	n_F - n_C = 0.008747 n_F' - n_C' = 0.008822	Coloring: 0.323 - 0.291 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.25937934 C2 = 0.00909050374 C3 = 0.0263394215 C4 = -0.00377741843 C5 = 0.000522870195 C6 = -0.0000262918185

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.518322
n _C	1.519824
n _C'	1.520248
n _0.6328	1.520644
n _D	1.522411
n _d	1.522490
n _e	1.524576
n _F	1.528572
n _F'	1.529071
n _g	1.533353
n _h	1.537323
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	0.3046
P_e,C	0.5431
P_g,d	1.2419
P_g,F	0.5466
P_h,g	0.4537
P_i,g	-----
P_C',t	-----
P_e,C'	0.4947
P_F',e	0.5138
P_i,F'	-----

transmittance: 10 mm
τ_0.29	0.04
τ_0.3	0.24
τ_0.31	0.55
τ_0.32	0.79
τ_0.33	0.916
τ_0.34	0.974
τ_0.35	0.998
τ_0.36	0.999
τ_0.37	0.999
τ_0.38	0.999
τ_0.39	0.999
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	0.988
τ₂	0.956
τ_2.2	0.9
τ_2.4	0.86

Knoop hardness: 476
Abrasion: 123

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	108