KzFS50 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

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Main parameters
n_d = 1.739999 n_e = 1.745522	V_d = 31.70 V_e = 31.47	n_F - n_C = 0.023341 n_F' - n_C' = 0.023683	Coloring: 0.34 - 0.39 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.9257039 C2 = -0.011234463 C3 = 0.032931085 C4 = 0.0012267908 C5 = -0.000017664553 C6 = 0.0000073704739

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.716779
n _s	1.721977
n _r	1.729441
n _C	1.733185
n _C'	1.734251
n _0.6328	1.735253
n _D	1.739795
n _d	1.739999
n _e	1.745522
n _F	1.756526
n _F'	1.757934
n _g	1.770316
n _h	1.782401
n _i	1.804549
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7028
P_C,A'	0.3165
P_d,C	0.2919
P_e,C	0.5285
P_g,d	1.2988
P_g,F	0.5907
P_h,g	0.5177
P_i,g	1.4666
P_C',t	0.7485
P_e,C'	0.4829
P_F',e	0.5317
P_i,F'	1.9971

transmittance: 10 mm
τ_0.34	0.048
τ_0.35	0.334
τ_0.36	0.619
τ_0.37	0.795
τ_0.38	0.883
τ_0.39	0.934
τ_0.4	0.96
τ_0.42	0.982
τ_0.44	0.99
τ_0.46	0.995
τ_0.48	0.997
τ_0.5	0.997
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	0.997
τ_1.5	0.985
τ₂	0.954

transmittance: 25 mm
τ_0.35	0.064
τ_0.36	0.301
τ_0.37	0.564
τ_0.38	0.733
τ_0.39	0.845
τ_0.4	0.903
τ_0.42	0.957
τ_0.44	0.975
τ_0.46	0.989
τ_0.48	0.992
τ_0.5	0.992
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	0.992
τ_1.5	0.964
τ₂	0.89

Poisson coef.: 0.266
Rigidity: 256 Pa*10⁸
Young module: 648 Pa*10⁸
Knoop hardness: 412
Abrasion: 150

Climatic resistance: 1
Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	61