But it sounds like it just achieves high power by taking ordinary energy
pulses and compressing them in time.
Brent
On 9/12/2022 3:18 AM, Lawrence Crowell wrote:
HG Well's heat ray is made real. When Townes was asked if this new
LASER could be a weapon he poopooed the idea and said you might as
well drop it from an airplane onto a target. Now 60 years later we are
seeing the rise of weaponized lasers.
LC
On Sunday, September 11, 2022 at 6:56:06 AM UTC-5 johnk...@gmail.com
wrote:
Using current techniques the power of a laser is limited because
of the damage intense power can cause to the optical elements in
the laser. In a new paper a method has been found to overcome this
limitation by making the optical elements, not out of glass or
diamond or sapphire but, out of plasma; a laser built using this
technique could produce laser pulses with power a million times
more intense than anything we have today and well into the Exawatt
range. The authors propose building a laser with 90% efficiency
that can produce light pulses with a duration of 2.2*10^-14
seconds with the power of one Exawatt. The power generating
capacity of the entire U.S. electrical grid is about one Terawatt
or 10^12 watts, a Exawatt is 1 million times greater than that or
10^18 watts.
Plasma Transmission Gratings for Compression of High-Intensity
Laser Pulses
<https://journals.aps.org/prapplied/pdf/10.1103/PhysRevApplied.18.024026>
John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>
upl
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