E-SF11 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.784723 n_e = 1.791922	V_d = 25.67 V_e = 25.47	n_F - n_C = 0.030558 n_F' - n_C' = 0.031091	Coloring: 0.400 - 0.369 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.05654935 C2 = -0.0143159709 C3 = 0.0381593027 C4 = 0.00315675913 C5 = -0.000223523385 C6 = 0.0000290021069

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.771210
n _C	1.775963
n _C'	1.777324
n _0.6328	1.778607
n _D	1.784459
n _d	1.784723
n _e	1.791922
n _F	1.806521
n _F'	1.808415
n _g	1.825341
n _h	1.842391
n _i	-----
n _0.3341	-----
n _0.3126	-----
n _0.2967	-----
n _0.2804	-----
n _0.2483	-----

Relative partial dispertion
P_C,t	-----
P_C,A'	0.3054
P_d,C	0.2866
P_e,C	0.5222
P_g,d	1.3292
P_g,F	0.6158
P_h,g	0.5579
P_i,g	-----
P_C',t	-----
P_e,C'	0.4777
P_F',e	0.5397
P_i,F'	-----

transmittance: 10 mm
τ_0.36	0.01
τ_0.37	0.07
τ_0.38	0.39
τ_0.39	0.65
τ_0.4	0.8
τ_0.42	0.916
τ_0.44	0.954
τ_0.46	0.97
τ_0.48	0.981
τ_0.5	0.99
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999

Knoop hardness: 527
Abrasion: 172

Resistance to acids: 1

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