K-PFK80 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.496998 n_e = 1.498457	V_d = 81.36 V_e = 80.97	n_F - n_C = 0.006108 n_F' - n_C' = 0.006155	Coloring: 0.27 - 0.34 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.2181634 C2 = -0.0057886349 C3 = 0.0081751097 C4 = 0.00016259171 C5 = -0.000010026576 C6 = 0.00000056977013

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.490069
n _s	1.491812
n _r	1.494065
n _C	1.495131
n _C'	1.495429
n _0.6328	1.495707
n _D	1.496944
n _d	1.496998
n _e	1.498457
n _F	1.501240
n _F'	1.501585
n _g	1.504520
n _h	1.507220
n _i	1.511779
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.8286
P_C,A'	0.3503
P_d,C	0.3056
P_e,C	0.5444
P_g,d	1.2313
P_g,F	0.5370
P_h,g	0.4419
P_i,g	1.1883
P_C',t	0.8774
P_e,C'	0.4956
P_F',e	0.5120
P_i,F'	1.6689

transmittance: 10 mm
τ_0.27	0.057
τ_0.28	0.14
τ_0.29	0.28
τ_0.3	0.463
τ_0.31	0.647
τ_0.32	0.796
τ_0.33	0.89
τ_0.34	0.941
τ_0.35	0.968
τ_0.36	0.981
τ_0.37	0.988
τ_0.38	0.991
τ_0.39	0.994
τ_0.4	0.994
τ_0.42	0.995
τ_0.44	0.995
τ_0.46	0.997
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	0.998
τ₂	0.998

transmittance: 25 mm
τ_0.29	0.041
τ_0.3	0.146
τ_0.31	0.337
τ_0.32	0.566
τ_0.33	0.748
τ_0.34	0.861
τ_0.35	0.923
τ_0.36	0.954
τ_0.37	0.971
τ_0.38	0.978
τ_0.39	0.985
τ_0.4	0.985
τ_0.42	0.989
τ_0.44	0.989
τ_0.46	0.992
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	0.996
τ₂	0.996

Poisson coef.: 0.287
Rigidity: 309 Pa*10⁸
Young module: 796 Pa*10⁸
Knoop hardness: 354
Abrasion: 450

Climatic resistance: 1
Resistance to acids: 3

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	154