E-PKH1 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.518600 n_e = 1.520370	V_d = 69.97 V_e = 69.75	n_F - n_C = 0.007411 n_F' - n_C' = 0.007460	Coloring: 0.332 - 0.286 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.27969929 C2 = -0.00967939699 C3 = 0.00983301659 C4 = 0.000165890669 C5 = -0.00000386343967 C6 = 0.000000139369901

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.514992
n _C	1.516314
n _C'	1.516681
n _0.6328	1.517023
n _D	1.518534
n _d	1.518600
n _e	1.520370
n _F	1.523726
n _F'	1.524141
n _g	1.527667
n _h	1.530903
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'	0.3607
P_d,C	0.3084
P_e,C	0.5471
P_g,d	1.2233
P_g,F	0.5317
P_h,g	0.4366
P_i,g	-----
P_C',t	-----
P_e,C'	0.4976
P_F',e	0.5088
P_i,F'	-----

transmittance: 10 mm
τ_0.28	0.02
τ_0.3	0.23
τ_0.32	0.64
τ_0.34	0.88
τ_0.36	0.94
τ_0.38	0.973
τ_0.4	0.99
τ_0.42	0.992
τ_0.44	0.991
τ_0.46	0.99
τ_0.48	0.993
τ_0.5	0.995
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999

Rigidity: 30.5 Pa*10⁸
Young module: 73.9 Pa*10⁸
Knoop hardness: 536
Abrasion: 188

Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	78