F3 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.612930 n_e = 1.616862	V_d = 36.94 V_e = 36.68	n_F - n_C = 0.016589 n_F' - n_C' = 0.016813	Coloring: 0.32 - 0.36 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.5337577 C2 = -0.0083915348 C3 = 0.022367292 C4 = 0.0006895157 C5 = -0.0000055312812 C6 = 0.0000034500321

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.596099
n _s	1.599929
n _r	1.605352
n _C	1.608050
n _C'	1.608815
n _0.6328	1.609535
n _D	1.612785
n _d	1.612930
n _e	1.616862
n _F	1.624639
n _F'	1.625629
n _g	1.634279
n _h	1.642630
n _i	1.657699
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7203
P_C,A'	0.3216
P_d,C	0.2941
P_e,C	0.5312
P_g,d	1.2868
P_g,F	0.5810
P_h,g	0.5034
P_i,g	1.4117
P_C',t	0.7664
P_e,C'	0.4850
P_F',e	0.5284
P_i,F'	1.9331

transmittance: 10 mm
τ_0.31	0.037
τ_0.32	0.319
τ_0.33	0.675
τ_0.34	0.853
τ_0.35	0.925
τ_0.36	0.957
τ_0.37	0.971
τ_0.38	0.982
τ_0.39	0.99
τ_0.4	0.991
τ_0.42	0.995
τ_0.44	0.995
τ_0.46	0.997
τ_0.48	0.997
τ_0.5	0.997
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	0.992
τ₂	0.94

transmittance: 25 mm
τ_0.32	0.057
τ_0.33	0.375
τ_0.34	0.672
τ_0.35	0.823
τ_0.36	0.896
τ_0.37	0.93
τ_0.38	0.957
τ_0.39	0.975
τ_0.4	0.978
τ_0.42	0.989
τ_0.44	0.989
τ_0.46	0.992
τ_0.48	0.992
τ_0.5	0.992
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	0.982
τ₂	0.857

Poisson coef.: 0.223
Rigidity: 233 Pa*10⁸
Young module: 571 Pa*10⁸
Knoop hardness: 460
Abrasion: 150

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	97