K-LaSFn16 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.788301 n_e = 1.792260	V_d = 47.41 V_e = 47.17	n_F - n_C = 0.016625 n_F' - n_C' = 0.016795	Coloring: 0.32 - 0.39 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 3.1239984 C2 = -0.014654892 C3 = 0.025109176 C4 = 0.00088088136 C5 = -0.000054833245 C6 = 0.0000041837812

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.770349
n _s	1.774677
n _r	1.780490
n _C	1.783303
n _C'	1.784094
n _0.6328	1.784835
n _D	1.788154
n _d	1.788301
n _e	1.792260
n _F	1.799928
n _F'	1.800889
n _g	1.809151
n _h	1.816899
n _i	1.830360
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7791
P_C,A'	0.3373
P_d,C	0.3006
P_e,C	0.5388
P_g,d	1.2540
P_g,F	0.5547
P_h,g	0.4660
P_i,g	1.2756
P_C',t	0.8267
P_e,C'	0.4912
P_F',e	0.5190
P_i,F'	1.7726

transmittance: 10 mm
τ_0.32	0.05
τ_0.33	0.122
τ_0.34	0.371
τ_0.35	0.6
τ_0.36	0.753
τ_0.37	0.849
τ_0.38	0.907
τ_0.39	0.939
τ_0.4	0.957
τ_0.42	0.971
τ_0.44	0.977
τ_0.46	0.981
τ_0.48	0.982
τ_0.5	0.985
τ_0.55	0.988
τ_0.6	0.988
τ_0.65	0.992
τ_0.7	0.994
τ_0.8	0.997
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.968

transmittance: 25 mm
τ_0.34	0.084
τ_0.35	0.279
τ_0.36	0.492
τ_0.37	0.664
τ_0.38	0.783
τ_0.39	0.854
τ_0.4	0.896
τ_0.42	0.93
τ_0.44	0.944
τ_0.46	0.954
τ_0.48	0.957
τ_0.5	0.964
τ_0.55	0.971
τ_0.6	0.971
τ_0.65	0.982
τ_0.7	0.985
τ_0.8	0.992
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.923

Poisson coef.: 0.294
Rigidity: 473 Pa*10⁸
Young module: 1224 Pa*10⁸
Knoop hardness: 710
Abrasion: 70

Climatic resistance: 1
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	72