K-CSK12 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.586493 n_e = 1.588842	V_d = 59.57 V_e = 59.32	n_F - n_C = 0.009845 n_F' - n_C' = 0.009926	Coloring: 0.31 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.4800407 C2 = -0.011143481 C3 = 0.01284031 C4 = 0.00053343187 C5 = -0.000044087421 C6 = 0.0000024141463

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.575289
n _s	1.578144
n _r	1.581779
n _C	1.583492
n _C'	1.583970
n _0.6328	1.584417
n _D	1.586405
n _d	1.586493
n _e	1.588842
n _F	1.593337
n _F'	1.593896
n _g	1.598664
n _h	1.603072
n _i	1.610589
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8331
P_C,A'	0.3495
P_d,C	0.3048
P_e,C	0.5433
P_g,d	1.2362
P_g,F	0.5410
P_h,g	0.4477
P_i,g	1.2112
P_C',t	0.8817
P_e,C'	0.4947
P_F',e	0.5134
P_i,F'	1.6955

transmittance: 10 mm
τ_0.31	0.079
τ_0.32	0.386
τ_0.33	0.679
τ_0.34	0.843
τ_0.35	0.923
τ_0.36	0.963
τ_0.37	0.972
τ_0.38	0.984
τ_0.39	0.99
τ_0.4	0.998
τ_0.42	0.998
τ_0.44	0.998
τ_0.46	0.998
τ_0.48	0.998
τ_0.5	0.998
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.994
τ_1.5	0.988
τ₂	0.965

transmittance: 25 mm
τ_0.32	0.092
τ_0.33	0.381
τ_0.34	0.654
τ_0.35	0.818
τ_0.36	0.912
τ_0.37	0.932
τ_0.38	0.962
τ_0.39	0.975
τ_0.4	0.996
τ_0.42	0.996
τ_0.44	0.996
τ_0.46	0.996
τ_0.48	0.996
τ_0.5	0.996
τ_0.55	0.996
τ_0.6	0.996
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.985
τ_1.5	0.971
τ₂	0.916

Poisson coef.: 0.25
Rigidity: 372 Pa*10⁸
Young module: 930 Pa*10⁸
Knoop hardness: 582
Abrasion: 110

Climatic resistance: 2
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	95