On Wed, Sep 14, 2022 at 6:44 PM Lawrence Crowell <
goldenfieldquaterni...@gmail.com> wrote:

> This appears really to not so much about making a high-power laser as it
> is with optical components that work with such light.


Yes but it does show there's no physical reason a laser can't pulse
extremely rapidly.

John K Clark    See what's on my new list at  Extropolis
<https://groups.google.com/g/extropolis>

tnc



>
> 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>
>>
>>
>>

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