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Author Topic: Modulate this baby and bore the world!  (Read 1502 times)
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W3RSW
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Rick & "Roosevelt"


« on: February 06, 2014, 10:30:05 AM »

http://www.dailymail.co.uk/sciencetech/article-2552589/The-real-life-DEATH-STAR-US-researchers-developing-laser-powerful-Earths-power-stations-combined.html

No radials required.
  Yeah, Bore both ways  Grin

Wonder how many repeats they'll get before meltdown?
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RICK  *W3RSW*
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Patrick J. / KD5OEI
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« Reply #1 on: February 07, 2014, 01:54:03 AM »

30 Joules
10Hz
300W average.

The 1 petawatt, applied to the target, well, I guess the boring or ablation would depend on the material to some degree, but I can't think of anything that can dissipate energy that fast so some vaporization may be in order. Pretty amazing.

However, using a picture of the death star is absolutely misleading.
According to this site where the discussion revolves around the more or less agreed upon power level. People have "calculated" it based on what it would take to heat the planet fast enough to make it explode. Presume heating the core to vapor, and boom!, perhaps, it's been figured several ways.
http://www.stardestroyer.net/Empire/Tech/Myths/Myths_SW.html#DeathStar

The energy output of the death star's primary weapon is >2E32J. not 3E2J.
It is therefore inappropriate to use the death star's picture to hype up this new laser accomplishment.

The planet Alderaan was destroyed in less that 5 seconds. Let's make it ten seconds to make the numbers simple.
So that is >2E31J per second from the death star.
This laser makes 3E2J per second

death star: 20000000000000000000000000000000 Watts average.
new laser: 300 Watts average.

Assuming the new laser could continuously make 1 petawat average power for ten seconds like a sci-fi "laser", just for the sake of comparing two pretenses, that would be:
new laser: 1000000000000 Watts average. 

There are -still- nineteen zeroes and three dB missing there..
Silly Journalists.

Wish something truthful and interesting would be shown, like a frame from a multiphysics simulation of a material interaction at the area the laser could be used to experimentally ablate. Surely someone has COMSOL..

Even so at some point the vapor cloud would get in the way, which is annoying with small lasers.
Can you vaporize vapor? Do it with copper and have the copper vapor plume lase as well?
CV laser is green. Now that would be a cool 'simulation' picture to put there, even if it is a simulation.

I am not going to post my little complaint on that site. Don't want to 'sign up' just to get more pictures of the death star later when the real laser is fired up.

Until then, standby... standby...
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