F2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.620040 n_e = 1.624085	V_d = 36.33 V_e = 36.06	n_F - n_C = 0.017066 n_F' - n_C' = 0.017302	Coloring: 0.345 - 0.322 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 2.54500231 C2 = -0.00133739584 C3 = 0.0280115116 C4 = -0.000541702056 C5 = 0.000150175374 C6 = -0.00000361707105

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.612273
n _C	1.615029
n _C'	1.615813
n _0.6328	1.616551
n _D	1.619890
n _d	1.620040
n _e	1.624085
n _F	1.632095
n _F'	1.633115
n _g	1.642051
n _h	1.650702
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'	0.3178
P_d,C	0.2936
P_e,C	0.5306
P_g,d	1.2897
P_g,F	0.5834
P_h,g	0.5068
P_i,g	-----
P_C',t	-----
P_e,C'	0.4846
P_F',e	0.5291
P_i,F'	-----

transmittance: 10 mm
τ_0.32	0.01
τ_0.33	0.3
τ_0.34	0.71
τ_0.35	0.9
τ_0.36	0.945
τ_0.37	0.97
τ_0.38	0.98
τ_0.39	0.988
τ_0.4	0.991
τ_0.42	0.995
τ_0.44	0.996
τ_0.46	0.999
τ_0.48	0.999
τ_0.5	0.999
τ_0.55	0.999
τ_0.6	0.999
τ_0.65	0.999
τ_0.7	0.999

Knoop hardness: 413
Abrasion: 174

Resistance to acids: 2

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