* Shielded Space Wall Defense System (SSWDS) :

In the huge rush of enemies weapons, suppose that a large numbers of, for example, rockets are launched simultaneously against buildings, establishments and other targets. Simultaneous pointing, tracking and destroying of all rockets are not easily or may not even be possible. But, by applying the SSWDS system, we can make a secured space wall in the air and in front of the rockets' path, as a destroying wall or defense border, and then destroy all of them simultaneously.

So, in SSWDS the light divergence is not a very critical case and even a controlled divergent beam of laser is a help for our purposes (controlled _divergent); we intentionally try to realize it. In real and more details, suppose that a set of 9_laser gun is sorted and placed by the side of each others like as shown in Fig.1. The most important point at this mapping is that, the area of mapped space of S is very much greater than the space of G, Fig.2, ( we intentionally make a controlled _divergent beam of laser to construct an effective destroying defense wall). All nine guns, continuously and simultaneously, are firing a reasonable or controlled _divergent beams of laser into the air in front of their space. Each individual guns at that set of 9_laser gun are form and cover a volume or restricted area of air by laser beam; so by this way we have a destroying wall or border against the enemies weapons. We intentionally make a divergent laser beam but so that we still have an effective (or a reasonable) intensity of the laser beam on the targets or desired area of the air; the shielded space wall. And on the basis of the discussion in Ref.1&Ref.2, about spread and divergence of the light beam, the Rayleigh Range and the Fig.3 (a) & (b), all of them, we can calculate that above mentioned shielded space wall area, from each individual area, by using Eq.(1) with a good approximation.

W = d/(3√2 ) Eq. (1)

where;
λ wavelength / F; focal length / W; width,
θ; divergence angle / Zr; Rayleigh Range of the light &
d, is the aperture from which the light
emerges from the weapon.

** Laser Raining Defense System (LRDS):

In this way, a gun (artillery) fire a large numbers of special bullets in front of the enemy’s weapons path and against them. The inside of each bullets are a hardware package, that I call it, a “nucleus_ laser”, which can produce a laser beam whenever activated. This nucleus_ laser automatically should be activated after bursting the bullets. The bullets, individually, will burst and cause to activate the nucleus_ laser, then radiate a laser beam with (a reasonable) an effective intensity to different directions on the path of enemy’s weapons but in the opposite direction of the gun (artillery). By this way, those bullets will do a lot of damage to enemy’s weapons.