Wild Bills Beef Jerky Containers

8. LASER:

A Laser or Light Amplification by Stimulated Emission of Radiation is a device that uses a quantum mechanical effect (induced emission or stimulated) to generate a coherent beam of a suitable medium and the size, shape and purity control. Can also be extended in December has infrared radiation regions, visible and ultraviolet.

lasers contain a laser medium (amplifier), a pumping mechanism and a feedback system. Emit photons in a beam narrow and well defined. That light is almost monochromatic (consisting of a single wavelength -color-), is very consistent, and often polarized.

There are four processes basic occurring in laser generation, are called: pumping, spontaneous emission of radiation, stimulated emission of radiation and absorption.

• pumping. Raised by a radiation source or the passage of electric current, the excitation of the active species, ie electrons spend part of their ground state (low energy) at different energy states higher. These electrons will be little time in these states, and consigned to a metastable intermediate state where they remain a relatively long time (in milliseconds).

• spontaneous emission of radiation. The electron is returning to the State based to emit a photon is a random process and radiation have different directions and phases, so that monochromatic radiation is generated inconsistently.

• stimulated emission of radiation. The photons generated in the previous process collide with excited species, which causes suffering a relaxation by emitting a photon of the same energy that stimulated the process. In this case, realization of coherent monochromatic radiation.

• absorption. a photon is absorbed, an electron from the metastable state. Compi you with the above process.

In Star Wars or other movies / series like Star Trek ... lasers are different colors. To really cause much effect would be transparent as they would have the most energy. It would be impossible to see when struggling with them, as well as when traveling at the speed of light photons would be impossible to see the rays of colors also because it would be a continuum between the edge of the laser and the target.

If they are, mean that its light is scattered. A ar ma with such dispersion would be very efe ctive. The only way to make visible the beam is to pass it through smoke or steam to disperse the beam and would cause it saw the light.

Nor should hear the ships that fire so I commented on in tr ada above, to be in space

Is a lightsaber actually a laser beam?

In a film of the saga sees som throw words, if a beam of light fuesenrealmente would not. Neither a laser to another laser stop (mythical scenes as duels). And how would control the length of the laser?

So instead of a laser, it would seem more plasma. Understanding plasma or No gas consisting of charged particles (ions) and whose dynamics presents free collective effects dominated by long-range electromagnetic interactions between them.