K-PG325 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.506696 n_e = 1.508411	V_d = 70.51 V_e = 70.19	n_F - n_C = 0.007185 n_F' - n_C' = 0.007242	Coloring: 0.30 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.243458872635 C2 = -0.007070168278688 C3 = 0.009482714702699 C4 = 0.0002364181202665 C5 = -0.00001671026765848 C6 = 0.0000009931529980634

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.498539
n _s	1.500597
n _r	1.503248
n _C	1.504501
n _C'	1.504851
n _0.6328	1.505178
n _D	1.506632
n _d	1.506696
n _e	1.508411
n _F	1.511687
n _F'	1.512094
n _g	1.515557
n _h	1.518751
n _i	1.524169
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8296
P_C,A'	0.3501
P_d,C	0.3053
P_e,C	0.5440
P_g,d	1.2331
P_g,F	0.5385
P_h,g	0.4444
P_i,g	1.1985
P_C',t	0.8783
P_e,C'	0.4953
P_F',e	0.5125
P_i,F'	1.6804

transmittance: 10 mm
τ_0.28	0.001
τ_0.29	0.016
τ_0.3	0.084
τ_0.31	0.264
τ_0.32	0.522
τ_0.33	0.743
τ_0.34	0.882
τ_0.35	0.946
τ_0.36	0.972
τ_0.37	0.985
τ_0.38	0.99
τ_0.39	0.99
τ_0.4	0.992
τ_0.42	0.992
τ_0.44	0.992
τ_0.46	0.994
τ_0.48	0.994
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	0.998
τ_1.5	0.998
τ₂	0.997

transmittance: 25 mm
τ_0.3	0.002
τ_0.31	0.036
τ_0.32	0.197
τ_0.33	0.476
τ_0.34	0.732
τ_0.35	0.872
τ_0.36	0.933
τ_0.37	0.964
τ_0.38	0.977
τ_0.39	0.977
τ_0.4	0.981
τ_0.42	0.981
τ_0.44	0.981
τ_0.46	0.987
τ_0.48	0.987
τ_0.5	0.99
τ_0.55	0.991
τ_0.6	0.991
τ_0.65	0.991
τ_0.7	0.991
τ_0.8	0.991
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.993

Poisson coef.: 0.265
Rigidity: 254 Pa*10⁸
Young module: 642 Pa*10⁸
Knoop hardness: 352
Abrasion: 800.2

Climatic resistance: 1
Resistance to acids: 5

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	173