K-LaFK60 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.632462 n_e = 1.634827	V_d = 63.78 V_e = 63.49	n_F - n_C = 0.009916 n_F' - n_C' = 0.009998	Coloring: 0.28 - 0.38 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.6242925 C2 = -0.010010207 C3 = 0.014759497 C4 = 0.00012162863 C5 = 0.000015383339 C6 = -0.00000072592822

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.621260
n _s	1.624075
n _r	1.627717
n _C	1.629440
n _C'	1.629922
n _0.6328	1.630371
n _D	1.632373
n _d	1.632462
n _e	1.634827
n _F	1.639357
n _F'	1.639920
n _g	1.644734
n _h	1.649187
n _i	1.656740
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8249
P_C,A'	0.3488
P_d,C	0.3046
P_e,C	0.5431
P_g,d	1.2375
P_g,F	0.5422
P_h,g	0.4491
P_i,g	1.2107
P_C',t	0.8735
P_e,C'	0.4946
P_F',e	0.5136
P_i,F'	1.6961

transmittance: 10 mm
τ_0.27	0.058
τ_0.28	0.078
τ_0.29	0.169
τ_0.3	0.277
τ_0.31	0.365
τ_0.32	0.581
τ_0.33	0.706
τ_0.34	0.779
τ_0.35	0.822
τ_0.36	0.848
τ_0.37	0.88
τ_0.38	0.912
τ_0.39	0.943
τ_0.4	0.965
τ_0.42	0.982
τ_0.44	0.991
τ_0.46	0.995
τ_0.48	0.997
τ_0.5	0.998
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.998
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.995
τ₂	0.977

transmittance: 25 mm
τ_0.29	0.011
τ_0.3	0.04
τ_0.31	0.08
τ_0.32	0.257
τ_0.33	0.419
τ_0.34	0.536
τ_0.35	0.613
τ_0.36	0.662
τ_0.37	0.728
τ_0.38	0.795
τ_0.39	0.864
τ_0.4	0.916
τ_0.42	0.957
τ_0.44	0.978
τ_0.46	0.989
τ_0.48	0.992
τ_0.5	0.996
τ_0.55	0.996
τ_0.6	0.996
τ_0.65	0.996
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.989
τ₂	0.944

Poisson coef.: 0.288
Rigidity: 387 Pa*10⁸
Young module: 997 Pa*10⁸
Knoop hardness: 547
Abrasion: 180

Climatic resistance: 1
Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	114