K-PSK50 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.593801 n_e = 1.596109	V_d = 61.38 V_e = 61.10	n_F - n_C = 0.009673 n_F' - n_C' = 0.009755	Coloring: 0.29 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.5004685 C2 = -0.0084722286 C3 = 0.014421864 C4 = 0.000060030127 C5 = 0.000017411953 C6 = -0.00000057575039

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.582989
n _s	1.585665
n _r	1.589183
n _C	1.590858
n _C'	1.591326
n _0.6328	1.591764
n _D	1.593715
n _d	1.593801
n _e	1.596109
n _F	1.600531
n _F'	1.601082
n _g	1.605784
n _h	1.610142
n _i	1.617559
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8133
P_C,A'	0.3470
P_d,C	0.3043
P_e,C	0.5428
P_g,d	1.2387
P_g,F	0.5430
P_h,g	0.4504
P_i,g	1.2172
P_C',t	0.8618
P_e,C'	0.4943
P_F',e	0.5140
P_i,F'	1.7033

transmittance: 10 mm
τ_0.28	0.011
τ_0.29	0.066
τ_0.3	0.209
τ_0.31	0.425
τ_0.32	0.644
τ_0.33	0.812
τ_0.34	0.908
τ_0.35	0.957
τ_0.36	0.975
τ_0.37	0.985
τ_0.38	0.988
τ_0.39	0.99
τ_0.4	0.992
τ_0.42	0.992
τ_0.44	0.992
τ_0.46	0.992
τ_0.48	0.995
τ_0.5	0.995
τ_0.55	0.997
τ_0.6	0.997
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.997
τ₂	0.919

transmittance: 25 mm
τ_0.3	0.02
τ_0.31	0.118
τ_0.32	0.333
τ_0.33	0.595
τ_0.34	0.786
τ_0.35	0.896
τ_0.36	0.94
τ_0.37	0.964
τ_0.38	0.971
τ_0.39	0.975
τ_0.4	0.982
τ_0.42	0.982
τ_0.44	0.982
τ_0.46	0.982
τ_0.48	0.989
τ_0.5	0.989
τ_0.55	0.992
τ_0.6	0.992
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.992
τ₂	0.81

Poisson coef.: 0.264
Rigidity: 264 Pa*10⁸
Young module: 668 Pa*10⁸
Knoop hardness: 388
Abrasion: 410

Climatic resistance: 2
Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	112