K-CSK120 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.586999 n_e = 1.589349	V_d = 59.56 V_e = 59.35	n_F - n_C = 0.009854 n_F' - n_C' = 0.009929	Coloring: 0.31 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.473831 C2 = -0.0074195677 C3 = 0.018102711 C4 = -0.0010196185 C5 = 0.00016280277 C6 = -0.0000076589188

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.575749
n _s	1.578556
n _r	1.582241
n _C	1.583977
n _C'	1.584461
n _0.6328	1.584912
n _D	1.586911
n _d	1.586999
n _e	1.589349
n _F	1.593832
n _F'	1.594390
n _g	1.599167
n _h	1.603611
n _i	1.611149
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8349
P_C,A'	0.3545
P_d,C	0.3066
P_e,C	0.5450
P_g,d	1.2346
P_g,F	0.5413
P_h,g	0.4509
P_i,g	1.2159
P_C',t	0.8839
P_e,C'	0.4959
P_F',e	0.5115
P_i,F'	1.7006

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