F2 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.620049 n_e = 1.624089	V_d = 36.35 V_e = 36.09	n_F - n_C = 0.017054 n_F' - n_C' = 0.017289	Coloring: 0.32 - 0.35 mkm.

Type: Schott
Spectral range: 0.3650146 - 1.01398 mkm.
C1 = 2.5515548 C2 = -0.0069399447 C3 = 0.025283916 C4 = -0.000055950732 C5 = 0.00011911086 C6 = -0.000003723443

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.602830
n _s	1.606713
n _r	1.612270
n _C	1.615039
n _C'	1.615825
n _0.6328	1.616563
n _D	1.619900
n _d	1.620049
n _e	1.624089
n _F	1.632094
n _F'	1.633114
n _g	1.642045
n _h	1.650663
n _i	1.666070
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.7158
P_C,A'	0.3210
P_d,C	0.2937
P_e,C	0.5306
P_g,d	1.2896
P_g,F	0.5834
P_h,g	0.5053
P_i,g	1.4087
P_C',t	0.7619
P_e,C'	0.4845
P_F',e	0.5291
P_i,F'	1.9323

transmittance: 10 mm
τ_0.33	0.279
τ_0.34	0.707
τ_0.35	0.894
τ_0.36	0.951
τ_0.37	0.974
τ_0.38	0.978
τ_0.39	0.985
τ_0.4	0.985
τ_0.42	0.988
τ_0.44	0.988
τ_0.46	0.988
τ_0.48	0.988
τ_0.5	0.99
τ_0.55	0.991
τ_0.6	0.995
τ_0.65	0.995
τ_0.7	0.997
τ_0.8	0.998
τ_1.06	0.997
τ_1.5	0.995
τ₂	0.965

transmittance: 25 mm
τ_0.33	0.041
τ_0.34	0.421
τ_0.35	0.756
τ_0.36	0.883
τ_0.37	0.937
τ_0.38	0.947
τ_0.39	0.964
τ_0.4	0.964
τ_0.42	0.971
τ_0.44	0.971
τ_0.46	0.971
τ_0.48	0.971
τ_0.5	0.975
τ_0.55	0.978
τ_0.6	0.989
τ_0.65	0.989
τ_0.7	0.992
τ_0.8	0.996
τ_1.06	0.992
τ_1.5	0.989
τ₂	0.916

Poisson coef.: 0.235
Rigidity: 224 Pa*10⁸
Young module: 553 Pa*10⁸
Knoop hardness: 357
Abrasion: 160

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	96