E-SSK2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.622300 n_e = 1.625092	V_d = 53.05 V_e = 52.76	n_F - n_C = 0.011728 n_F' - n_C' = 0.011847	Coloring: 0.353 - 0.332 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.59124283 C2 = -0.014272062 C3 = 0.0123965569 C4 = 0.00153774031 C5 = -0.000159274472 C6 = 0.00000855211131

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.616781
n _C	1.618772
n _C'	1.619331
n _0.6328	1.619854
n _D	1.622196
n _d	1.622300
n _e	1.625092
n _F	1.630500
n _F'	1.631178
n _g	1.636991
n _h	1.642431
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'	0.3397
P_d,C	0.3007
P_e,C	0.5389
P_g,d	1.2526
P_g,F	0.5534
P_h,g	0.4637
P_i,g	-----
P_C',t	-----
P_e,C'	0.4912
P_F',e	0.5188
P_i,F'	-----

transmittance: 10 mm
τ_0.33	0.05
τ_0.34	0.34
τ_0.35	0.65
τ_0.36	0.82
τ_0.37	0.91
τ_0.38	0.949
τ_0.39	0.97
τ_0.4	0.98
τ_0.42	0.988
τ_0.44	0.99
τ_0.46	0.992
τ_0.48	0.993
τ_0.5	0.995
τ_0.55	0.995
τ_0.6	0.994
τ_0.65	0.995
τ_0.7	0.995
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	0.997
τ_1.8	0.986
τ₂	0.976
τ_2.2	0.933
τ_2.4	0.83

Knoop hardness: 437
Abrasion: 195

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	89