E-PSK02 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.618000 n_e = 1.620325	V_d = 63.37 V_e = 63.06	n_F - n_C = 0.009751 n_F' - n_C' = 0.009836	Coloring: 0.369 - 0.323 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.57651436 C2 = -0.00817396399 C3 = 0.0152706397 C4 = -0.000117385023 C5 = 0.0000469952008 C6 = -0.00000225968944

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.613349
n _C	1.615035
n _C'	1.615507
n _0.6328	1.615948
n _D	1.617913
n _d	1.618000
n _e	1.620325
n _F	1.624787
n _F'	1.625343
n _g	1.630098
n _h	1.634508
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'	0.3463
P_d,C	0.3039
P_e,C	0.5424
P_g,d	1.2406
P_g,F	0.5446
P_h,g	0.4521
P_i,g	-----
P_C',t	-----
P_e,C'	0.4940
P_F',e	0.5146
P_i,F'	-----

transmittance: 10 mm
τ_0.32	0.01
τ_0.33	0.06
τ_0.34	0.2
τ_0.35	0.41
τ_0.36	0.63
τ_0.37	0.79
τ_0.38	0.89
τ_0.39	0.948
τ_0.4	0.977
τ_0.42	0.996
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	0.987
τ₂	0.963
τ_2.2	0.88
τ_2.4	0.77

Knoop hardness: 355
Abrasion: 341

Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	110