F5 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.603419 n_e = 1.607182	V_d = 38.02 V_e = 37.76	n_F - n_C = 0.015870 n_F' - n_C' = 0.016080	Coloring: 0.32 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.506981 C2 = -0.0086630204 C3 = 0.021053341 C4 = 0.0007409322 C5 = -0.000021857303 C6 = 0.0000041824557

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.587209
n _s	1.590927
n _r	1.596151
n _C	1.598741
n _C'	1.599476
n _0.6328	1.600165
n _D	1.603280
n _d	1.603419
n _e	1.607182
n _F	1.614611
n _F'	1.615556
n _g	1.623800
n _h	1.631749
n _i	1.646089
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7266
P_C,A'	0.3231
P_d,C	0.2947
P_e,C	0.5318
P_g,d	1.2842
P_g,F	0.5790
P_h,g	0.5008
P_i,g	1.4044
P_C',t	0.7728
P_e,C'	0.4856
P_F',e	0.5276
P_i,F'	1.9239

transmittance: 10 mm
τ_0.32	0.1
τ_0.33	0.493
τ_0.34	0.779
τ_0.35	0.894
τ_0.36	0.946
τ_0.37	0.971
τ_0.38	0.974
τ_0.39	0.985
τ_0.4	0.988
τ_0.42	0.988
τ_0.44	0.988
τ_0.46	0.991
τ_0.48	0.991
τ_0.5	0.994
τ_0.55	0.994
τ_0.6	0.997
τ_0.65	0.997
τ_0.7	0.998
τ_0.8	0.998
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.953

transmittance: 25 mm
τ_0.33	0.171
τ_0.34	0.536
τ_0.35	0.756
τ_0.36	0.87
τ_0.37	0.93
τ_0.38	0.937
τ_0.39	0.964
τ_0.4	0.971
τ_0.42	0.971
τ_0.44	0.971
τ_0.46	0.978
τ_0.48	0.978
τ_0.5	0.985
τ_0.55	0.985
τ_0.6	0.992
τ_0.65	0.992
τ_0.7	0.996
τ_0.8	0.996
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.887

Poisson coef.: 0.201
Rigidity: 235 Pa*10⁸
Young module: 564 Pa*10⁸
Knoop hardness: 410
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