Laser Weapons
Kraichgauer
Veteran
Joined: 12 Apr 2010
Gender: Male
Posts: 47,794
Location: Spokane area, Washington state.
An energy generator capable of powering a laser that could cut through metal or flesh would be rather bulky. The closest thing we have to -storing- that kind of energy is tanks of hydrocarbons to burn or explosives to propel hard bullets. The ideal weapon would be the firearms we all know and love.
ruveyn
Since miniaturizing technology is now the name of the game today, is it at all possible to miniaturize such an energy generator? Say to the size of a pistol, or a cell phone?
-Bill, otherwise known as Kraichgauer
ruveyn
Not if the beam wattage is high enough!
If the laser output has enough intensity to ionize air, than any dust, mist, or fog that gets in its path will also be ionized too. As far as mirrors go, they are primarily made of glass that is plated with silver. Even so, mirrors have a limit to how much energy impact they can withstand before those delocalized electrons in the silver atoms absorb enough energy to escape the grip of the nucleus and fly off. Lasers in the megawatt range will burn through most mirrors in less than a second! It turns out that benzene/oxygen lasers produce a burst of more than 1 megawatt that lasts up to 5 seconds. Dayam....I wish I had a book on chemical lasers and exactly how they're built.
The US airforce put a megawatt laser on the nose of a 747 for missile defense purposes. THe program was shut down this year.
http://en.wikipedia.org/wiki/Boeing_YAL-1
http://en.wikipedia.org/wiki/Boeing_YAL-1
I heard about that. The much lauded "Flying Lightsabre". When it comes to shooting down missiles with directed energy weapons, I'm confident that an X-ray laser would do a much better job than any optical laser. But I'm only talking about small arms here.
Part of the problem with the YAL-1 is that the beam cross section is too large and the luminosity per square centimeter is not high enough to burn through the metallic skin of a ballistic missile. High powered lasers are far more effective the smaller the beam cross section is as more energy. X-rays are more effective because each photon has enough energy to knock a bound electron out of its orbit.
IIRC, the most effective chemical lasers are those which use hydrocarbon-oxygen fuel rather than hydrogen-fluorine or iodine-fluorine. I've decided that this project is worth pursuing after all.