E-LASFH2 - Hikari

Diagram n (λ)

n calculation

Diagram τ (λ)

τ calculation

Analogue search

Main parameters
n_d = 1.766840 n_e = 1.770738	V_d = 46.80 V_e = 46.55	n_F - n_C = 0.016383 n_F' - n_C' = 0.016556	Coloring: 0.372 - 0.338 mkm.

Type: Schott
Spectral range: 0.4046561 - 0.76819 mkm.
C1 = 3.04964021 C2 = -0.0143753567 C3 = 0.0247919447 C4 = 0.000638849518 C5 = -0.0000105068423 C6 = 0.00000183387657

Refraction index
n _2.3254	-----
n _1.9701	-----
n _1.5296	-----
n _1.06	-----
n _t	-----
n _s	-----
n _r	1.759158
n _C	1.761924
n _C'	1.762702
n _0.6328	1.763430
n _D	1.766695
n _d	1.766840
n _e	1.770738
n _F	1.778308
n _F'	1.779259
n _g	1.787458
n _h	1.795180
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'	0.3367
P_d,C	0.3000
P_e,C	0.5379
P_g,d	1.2584
P_g,F	0.5585
P_h,g	0.4713
P_i,g	-----
P_C',t	-----
P_e,C'	0.4904
P_F',e	0.5200
P_i,F'	-----

transmittance: 10 mm
τ_0.33	0.01
τ_0.34	0.15
τ_0.35	0.42
τ_0.36	0.65
τ_0.37	0.79
τ_0.38	0.87
τ_0.39	0.918
τ_0.4	0.944
τ_0.42	0.967
τ_0.44	0.977
τ_0.46	0.984
τ_0.48	0.989
τ_0.5	0.993
τ_0.55	0.998
τ_0.6	0.998
τ_0.65	0.999
τ_0.7	0.999

Knoop hardness: 666
Abrasion: 64

Resistance to acids: 4

Temperature coefficient of linear expansion
Temp. range, C	Value, 1/C*10^-7
100 ~ 300	68