E-LAK01 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.639999 n_e = 1.642539	V_d = 60.08 V_e = 59.88	n_F - n_C = 0.010651 n_F' - n_C' = 0.010729	Coloring: 0.360 - 0.305 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.64816555 C2 = -0.0139955727 C3 = 0.0152775593 C4 = 0.000227366594 C5 = 0.00000486219531 C6 = -0.000000233276501

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.634849
n _C	1.636731
n _C'	1.637254
n _0.6328	1.637741
n _D	1.639903
n _d	1.639999
n _e	1.642539
n _F	1.647382
n _F'	1.647983
n _g	1.653108
n _h	1.657840
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'	0.3566
P_d,C	0.3067
P_e,C	0.5453
P_g,d	1.2307
P_g,F	0.5375
P_h,g	0.4443
P_i,g	-----
P_C',t	-----
P_e,C'	0.4962
P_F',e	0.5111
P_i,F'	-----

transmittance: 10 mm
τ_0.3	0.02
τ_0.32	0.19
τ_0.34	0.53
τ_0.36	0.8
τ_0.38	0.929
τ_0.4	0.97
τ_0.42	0.984
τ_0.44	0.988
τ_0.46	0.992
τ_0.48	0.994
τ_0.5	0.996
τ_0.55	0.997
τ_0.6	0.995
τ_0.65	0.996
τ_0.7	0.997

Knoop hardness: 622
Abrasion: 92

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	77