K-SFLDn3 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.846658 n_e = 1.855001	V_d = 23.88 V_e = 23.69	n_F - n_C = 0.035444 n_F' - n_C' = 0.036084	Coloring: 0.38 - 0.44 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.2574868 C2 = -0.016403729 C3 = 0.044271848 C4 = 0.0041662405 C5 = -0.000314258 C6 = 0.000039290854

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.813110
n _s	1.820376
n _r	1.831069
n _C	1.836540
n _C'	1.838109
n _0.6328	1.839590
n _D	1.846353
n _d	1.846658
n _e	1.855001
n _F	1.871985
n _F'	1.874194
n _g	1.893999
n _h	1.914060
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6610
P_C,A'	0.3027
P_d,C	0.2854
P_e,C	0.5208
P_g,d	1.3356
P_g,F	0.6210
P_h,g	0.5659
P_i,g	-----
P_C',t	0.7053
P_e,C'	0.4765
P_F',e	0.5414
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.001
τ_0.37	0.015
τ_0.38	0.137
τ_0.39	0.356
τ_0.4	0.555
τ_0.42	0.797
τ_0.44	0.899
τ_0.46	0.94
τ_0.48	0.96
τ_0.5	0.972
τ_0.55	0.988
τ_0.6	0.991
τ_0.65	0.991
τ_0.7	0.992
τ_0.8	0.995
τ_1.06	0.998
τ_1.5	0.997
τ₂	0.978

transmittance: 25 mm
τ_0.38	0.007
τ_0.39	0.077
τ_0.4	0.231
τ_0.42	0.569
τ_0.44	0.767
τ_0.46	0.856
τ_0.48	0.903
τ_0.5	0.93
τ_0.55	0.971
τ_0.6	0.978
τ_0.65	0.978
τ_0.7	0.981
τ_0.8	0.988
τ_1.06	0.996
τ_1.5	0.992
τ₂	0.948

Poisson coef.: 0.263
Rigidity: 388 Pa*10⁸
Young module: 980 Pa*10⁸
Knoop hardness: 529
Abrasion: 150

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	106