K-LaSFn14 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.833998 n_e = 1.839320	V_d = 37.19 V_e = 36.94	n_F - n_C = 0.022422 n_F' - n_C' = 0.022716	Coloring: 0.35 - 0.43 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.2694192 C2 = -0.01897786 C3 = 0.027659868 C4 = 0.0032307305 C5 = -0.00033742447 C6 = 0.000023514467

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.810960
n _s	1.816332
n _r	1.823729
n _C	1.827387
n _C'	1.828424
n _0.6328	1.829399
n _D	1.833801
n _d	1.833998
n _e	1.839320
n _F	1.849809
n _F'	1.851140
n _g	1.862739
n _h	1.873920
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7326
P_C,A'	0.3230
P_d,C	0.2948
P_e,C	0.5321
P_g,d	1.2817
P_g,F	0.5766
P_h,g	0.4986
P_i,g	-----
P_C',t	0.7788
P_e,C'	0.4859
P_F',e	0.5271
P_i,F'	-----

transmittance: 10 mm
τ_0.34	0.03
τ_0.35	0.091
τ_0.36	0.348
τ_0.37	0.593
τ_0.38	0.748
τ_0.39	0.838
τ_0.4	0.89
τ_0.42	0.937
τ_0.44	0.958
τ_0.46	0.969
τ_0.48	0.978
τ_0.5	0.985
τ_0.55	0.993
τ_0.6	0.995
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.973

transmittance: 25 mm
τ_0.35	0.002
τ_0.36	0.071
τ_0.37	0.27
τ_0.38	0.485
τ_0.39	0.643
τ_0.4	0.747
τ_0.42	0.851
τ_0.44	0.899
τ_0.46	0.926
τ_0.48	0.946
τ_0.5	0.964
τ_0.55	0.982
τ_0.6	0.987
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.936

Poisson coef.: 0.279
Rigidity: 460 Pa*10⁸
Young module: 1178 Pa*10⁸
Knoop hardness: 610
Abrasion: 70

Climatic resistance: 1
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	75