K-SFLD11 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.784730 n_e = 1.791872	V_d = 25.89 V_e = 25.69	n_F - n_C = 0.030299 n_F' - n_C' = 0.030821	Coloring: 0.37 - 0.44 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.059416 C2 = -0.015171267 C3 = 0.036396337 C4 = 0.0036902359 C5 = -0.00031750636 C6 = 0.000034272301

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.755689
n _s	1.762049
n _r	1.771317
n _C	1.776035
n _C'	1.777386
n _0.6328	1.778660
n _D	1.784469
n _d	1.784730
n _e	1.791872
n _F	1.806335
n _F'	1.808208
n _g	1.824942
n _h	1.841789
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6715
P_C,A'	0.3058
P_d,C	0.2869
P_e,C	0.5226
P_g,d	1.3271
P_g,F	0.6141
P_h,g	0.5560
P_i,g	-----
P_C',t	0.7160
P_e,C'	0.4780
P_F',e	0.5391
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.107
τ_0.38	0.47
τ_0.39	0.714
τ_0.4	0.822
τ_0.42	0.901
τ_0.44	0.932
τ_0.46	0.947
τ_0.48	0.957
τ_0.5	0.967
τ_0.55	0.982
τ_0.6	0.985
τ_0.65	0.985
τ_0.7	0.988
τ_0.8	0.997
τ_1.06	0.997
τ_1.5	0.988
τ₂	0.968

transmittance: 25 mm
τ_0.38	0.151
τ_0.39	0.43
τ_0.4	0.613
τ_0.42	0.771
τ_0.44	0.838
τ_0.46	0.874
τ_0.48	0.896
τ_0.5	0.92
τ_0.55	0.957
τ_0.6	0.964
τ_0.65	0.964
τ_0.7	0.971
τ_0.8	0.992
τ_1.06	0.992
τ_1.5	0.971
τ₂	0.923

Poisson coef.: 0.262
Rigidity: 368 Pa*10⁸
Young module: 929 Pa*10⁸
Knoop hardness: 522
Abrasion: 170

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	105