SF10 - Sumita

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.728248 n_e = 1.734307	V_d = 28.34 V_e = 28.11	n_F - n_C = 0.025692 n_F' - n_C' = 0.026114	Coloring: 0.37 - 0.42 mkm.

Type: Schott
Spectral range: 0.4046561 - 1.01398 mkm.
C1 = 2.8666695 C2 = -0.0055795654 C3 = 0.04278754 C4 = -0.0014536632 C5 = 0.00049205096 C6 = -0.000022762614

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	1.703410
n _s	1.708798
n _r	1.716786
n _C	1.720834
n _C'	1.721990
n _0.6328	1.723078
n _D	1.728026
n _d	1.728248
n _e	1.734307
n _F	1.746527
n _F'	1.748104
n _g	1.762068
n _h	1.775740
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	0.6781
P_C,A'	0.3100
P_d,C	0.2885
P_e,C	0.5243
P_g,d	1.3163
P_g,F	0.6048
P_h,g	0.5321
P_i,g	-----
P_C',t	0.7231
P_e,C'	0.4794
P_F',e	0.5370
P_i,F'	-----

transmittance: 10 mm
τ_0.37	0.013
τ_0.38	0.196
τ_0.39	0.564
τ_0.4	0.796
τ_0.42	0.936
τ_0.44	0.968
τ_0.46	0.975
τ_0.48	0.981
τ_0.5	0.985
τ_0.55	0.988
τ_0.6	0.991
τ_0.65	0.992
τ_0.7	0.995
τ_0.8	0.997
τ_1.06	0.998
τ_1.5	0.998
τ₂	0.997

transmittance: 25 mm
τ_0.38	0.017
τ_0.39	0.239
τ_0.4	0.566
τ_0.42	0.848
τ_0.44	0.923
τ_0.46	0.94
τ_0.48	0.954
τ_0.5	0.964
τ_0.55	0.971
τ_0.6	0.978
τ_0.65	0.982
τ_0.7	0.989
τ_0.8	0.992
τ_1.06	0.996
τ_1.5	0.996
τ₂	0.992

Poisson coef.: 0.235
Rigidity: 246 Pa*10⁸
Young module: 608 Pa*10⁸
Knoop hardness: 417
Abrasion: 180

Climatic resistance: 1
Resistance to acids: 1

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	84