K-PSFn3 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.839179 n_e = 1.847457	V_d = 23.85 V_e = 23.66	n_F - n_C = 0.035177 n_F' - n_C' = 0.035812	Coloring: 0.38 - 0.43 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 3.2302797 C2 = -0.016072299 C3 = 0.045091861 C4 = 0.003656989 C5 = -0.00024619661 C6 = 0.000036023486

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.805789
n _s	1.813045
n _r	1.823696
n _C	1.829134
n _C'	1.830693
n _0.6328	1.832163
n _D	1.838877
n _d	1.839179
n _e	1.847457
n _F	1.864312
n _F'	1.866505
n _g	1.886190
n _h	1.906159
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6636
P_C,A'	0.3033
P_d,C	0.2855
P_e,C	0.5208
P_g,d	1.3363
P_g,F	0.6219
P_h,g	0.5676
P_i,g	-----
P_C',t	0.7079
P_e,C'	0.4765
P_F',e	0.5414
P_i,F'	-----

transmittance: 10 mm
τ_0.38	0.109
τ_0.39	0.333
τ_0.4	0.537
τ_0.42	0.77
τ_0.44	0.87
τ_0.46	0.914
τ_0.48	0.937
τ_0.5	0.955
τ_0.55	0.982
τ_0.6	0.99
τ_0.65	0.993
τ_0.7	0.993
τ_0.8	0.995
τ_1.06	0.998
τ_1.5	0.994
τ₂	0.969

transmittance: 25 mm
τ_0.38	0.004
τ_0.39	0.064
τ_0.4	0.212
τ_0.42	0.52
τ_0.44	0.707
τ_0.46	0.799
τ_0.48	0.85
τ_0.5	0.892
τ_0.55	0.957
τ_0.6	0.977
τ_0.65	0.984
τ_0.7	0.984
τ_0.8	0.991
τ_1.06	0.995
τ_1.5	0.985
τ₂	0.925

Poisson coef.: 0.256
Rigidity: 351 Pa*10⁸
Young module: 883 Pa*10⁸
Knoop hardness: 409
Abrasion: 330

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	118