K-PG375 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.542496 n_e = 1.544552	V_d = 62.92 V_e = 62.62	n_F - n_C = 0.008621 n_F' - n_C' = 0.008695	Coloring: 0.31 - 0.36 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.3445396 C2 = -0.0070376675 C3 = 0.01274912 C4 = -0.000039729957 C5 = 0.000027427477 C6 = -0.0000011100056

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.532869
n _s	1.535246
n _r	1.538379
n _C	1.539872
n _C'	1.540290
n _0.6328	1.540680
n _D	1.542419
n _d	1.542496
n _e	1.544552
n _F	1.548494
n _F'	1.548985
n _g	1.553180
n _h	1.557070
n _i	1.563689
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8121
P_C,A'	0.3470
P_d,C	0.3043
P_e,C	0.5428
P_g,d	1.2391
P_g,F	0.5434
P_h,g	0.4511
P_i,g	1.2189
P_C',t	0.8605
P_e,C'	0.4943
P_F',e	0.5141
P_i,F'	1.7054

transmittance: 10 mm
τ_0.3	0.028
τ_0.31	0.096
τ_0.32	0.244
τ_0.33	0.458
τ_0.34	0.68
τ_0.35	0.832
τ_0.36	0.918
τ_0.37	0.96
τ_0.38	0.979
τ_0.39	0.99
τ_0.4	0.99
τ_0.42	0.99
τ_0.44	0.99
τ_0.46	0.992
τ_0.48	0.993
τ_0.5	0.996
τ_0.55	0.997
τ_0.6	0.996
τ_0.65	0.995
τ_0.7	0.996
τ_0.8	0.997
τ_1.06	0.997
τ_1.5	0.99
τ₂	0.866

transmittance: 25 mm
τ_0.32	0.029
τ_0.33	0.142
τ_0.34	0.382
τ_0.35	0.631
τ_0.36	0.808
τ_0.37	0.904
τ_0.38	0.95
τ_0.39	0.975
τ_0.4	0.977
τ_0.42	0.977
τ_0.44	0.976
τ_0.46	0.98
τ_0.48	0.984
τ_0.5	0.99
τ_0.55	0.993
τ_0.6	0.99
τ_0.65	0.988
τ_0.7	0.99
τ_0.8	0.993
τ_1.06	0.992
τ_1.5	0.976
τ₂	0.698

Poisson coef.: 0.252
Rigidity: 249 Pa*10⁸
Young module: 625 Pa*10⁸
Knoop hardness: 368
Abrasion: 620

Climatic resistance: 1
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	169