Table 2.

Estimating visual acuity based on attenuation coefficient.

Generated Fog Density [g/m${}^3$]	Fog Particles Mass in Laser Beam [g]	Time Elapsed, t [min:sec]	Visual Acuity	Total Attenuation Coefficient, $\mathit{\mu }$	Attenuation Coefficient/Slice, $\mathit{\alpha }$	Extrapolate Attenuation to a Specific Distance, d${}_{\mathit{x}}$	Extrapolate Visual Acuity to a Specific Distance, d${}_{\mathit{x}}$
0.87	2048 × ${10}^{-9}$	0:50		0.418 × ${10}^{-6}$	0.277 × ${10}^{-12}$
1.74	4097 × ${10}^{-9}$	12:06	R5	0.462 × ${10}^{-6}$	0.306 × ${10}^{-12}$	$\mu$d${}_x$ = ${\alpha }_{mean}$	d${}_x$ = 13.75
2.6	6132 × ${10}^{-9}$	23:10		0.513 × ${10}^{-6}$	0.340 × ${10}^{-12}$	× (d${}_x$/d${}_{ap}$)	× object dim
3.47	8171 × ${10}^{-9}$	25:15		0.513 × ${10}^{-6}$	0.340 × ${10}^{-12}$