K-LaSFn17 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.882996 n_e = 1.888122	V_d = 40.94 V_e = 40.71	n_F - n_C = 0.021564 n_F' - n_C' = 0.021814	Coloring: 0.32 - 0.43 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.4368432 C2 = -0.012233385 C3 = 0.038273465 C4 = -0.00007351474 C5 = 0.00012784766 C6 = -0.0000042235029

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.860520
n _s	1.865704
n _r	1.872985
n _C	1.876571
n _C'	1.877584
n _0.6328	1.878534
n _D	1.882806
n _d	1.882996
n _e	1.888122
n _F	1.898136
n _F'	1.899399
n _g	1.910335
n _h	1.920697
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7443
P_C,A'	0.3300
P_d,C	0.2979
P_e,C	0.5356
P_g,d	1.2677
P_g,F	0.5657
P_h,g	0.4804
P_i,g	-----
P_C',t	0.7913
P_e,C'	0.4886
P_F',e	0.5229
P_i,F'	-----

transmittance: 10 mm
τ_0.3	0.007
τ_0.31	0.034
τ_0.32	0.175
τ_0.33	0.33
τ_0.34	0.496
τ_0.35	0.643
τ_0.36	0.761
τ_0.37	0.838
τ_0.38	0.893
τ_0.39	0.926
τ_0.4	0.946
τ_0.42	0.965
τ_0.44	0.973
τ_0.46	0.98
τ_0.48	0.984
τ_0.5	0.988
τ_0.55	0.992
τ_0.6	0.992
τ_0.65	0.993
τ_0.7	0.995
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.996
τ₂	0.978

transmittance: 25 mm
τ_0.32	0.012
τ_0.33	0.062
τ_0.34	0.174
τ_0.35	0.332
τ_0.36	0.505
τ_0.37	0.643
τ_0.38	0.753
τ_0.39	0.825
τ_0.4	0.872
τ_0.42	0.916
τ_0.44	0.935
τ_0.46	0.951
τ_0.48	0.961
τ_0.5	0.971
τ_0.55	0.98
τ_0.6	0.98
τ_0.65	0.985
τ_0.7	0.989
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.992
τ₂	0.946

Poisson coef.: 0.3
Rigidity: 496 Pa*10⁸
Young module: 1290 Pa*10⁸
Knoop hardness: 689
Abrasion: 60

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	79