K-PSFn1 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.906808 n_e = 1.916885	V_d = 21.15 V_e = 20.98	n_F - n_C = 0.042871 n_F' - n_C' = 0.043695	Coloring: 0.39 - 0.49 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.4647134 C2 = -0.026786619 C3 = 0.040795276 C4 = 0.0098163482 C5 = -0.0011095829 C6 = 0.000097817496

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.866869
n _s	1.875505
n _r	1.888152
n _C	1.894668
n _C'	1.896544
n _0.6328	1.898316
n _D	1.906440
n _d	1.906808
n _e	1.916885
n _F	1.937540
n _F'	1.940239
n _g	1.964610
n _h	1.989699
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6484
P_C,A'	0.2973
P_d,C	0.2831
P_e,C	0.5182
P_g,d	1.3482
P_g,F	0.6314
P_h,g	0.5852
P_i,g	-----
P_C',t	0.6921
P_e,C'	0.4744
P_F',e	0.5447
P_i,F'	-----

transmittance: 10 mm
τ_0.38	0.004
τ_0.39	0.082
τ_0.4	0.262
τ_0.42	0.577
τ_0.44	0.727
τ_0.46	0.792
τ_0.48	0.834
τ_0.5	0.873
τ_0.55	0.952
τ_0.6	0.979
τ_0.65	0.984
τ_0.7	0.99
τ_0.8	0.994
τ_1.06	0.998
τ_1.5	0.994
τ₂	0.975

transmittance: 25 mm
τ_0.39	0.001
τ_0.4	0.035
τ_0.42	0.253
τ_0.44	0.451
τ_0.46	0.559
τ_0.48	0.636
τ_0.5	0.713
τ_0.55	0.885
τ_0.6	0.948
τ_0.65	0.962
τ_0.7	0.975
τ_0.8	0.985
τ_1.06	0.996
τ_1.5	0.987
τ₂	0.939

Poisson coef.: 0.233
Rigidity: 359 Pa*10⁸
Young module: 886 Pa*10⁸
Knoop hardness: 444
Abrasion: 310

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	102