K-SFLD5 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.672696 n_e = 1.677630	V_d = 32.20 V_e = 31.95	n_F - n_C = 0.020890 n_F' - n_C' = 0.021206	Coloring: 0.36 - 0.41 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 2.7102301 C2 = -0.010851642 C3 = 0.029534854 C4 = 0.00041107114 C5 = 0.000097348452 C6 = 0.00000088402787

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.651750
n _s	1.656521
n _r	1.663258
n _C	1.666610
n _C'	1.667563
n _0.6328	1.668459
n _D	1.672514
n _d	1.672696
n _e	1.677630
n _F	1.687501
n _F'	1.688769
n _g	1.699979
n _h	1.711010
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7113
P_C,A'	0.3173
P_d,C	0.2912
P_e,C	0.5275
P_g,d	1.3060
P_g,F	0.5973
P_h,g	0.5280
P_i,g	-----
P_C',t	0.7569
P_e,C'	0.4819
P_F',e	0.5331
P_i,F'	-----

transmittance: 10 mm
τ_0.35	0.003
τ_0.36	0.13
τ_0.37	0.47
τ_0.38	0.709
τ_0.39	0.822
τ_0.4	0.881
τ_0.42	0.931
τ_0.44	0.952
τ_0.46	0.963
τ_0.48	0.971
τ_0.5	0.979
τ_0.55	0.988
τ_0.6	0.988
τ_0.65	0.988
τ_0.7	0.99
τ_0.8	0.996
τ_1.06	0.997
τ_1.5	0.997
τ₂	0.981

transmittance: 25 mm
τ_0.36	0.006
τ_0.37	0.152
τ_0.38	0.424
τ_0.39	0.613
τ_0.4	0.728
τ_0.42	0.836
τ_0.44	0.885
τ_0.46	0.909
τ_0.48	0.93
τ_0.5	0.948
τ_0.55	0.972
τ_0.6	0.972
τ_0.65	0.976
τ_0.7	0.976
τ_0.8	0.989
τ_1.06	0.993
τ_1.5	0.992
τ₂	0.953

Poisson coef.: 0.232
Rigidity: 334 Pa*10⁸
Young module: 824 Pa*10⁸
Knoop hardness: 489
Abrasion: 195

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	116