[AR] Re: Liquid Lasers? was Re: Re: Hypersonics have finally arrived

  • From: Peter Fairbrother <peter@xxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Sun, 25 Oct 2020 04:49:03 +0000

On 25/10/2020 02:26, ken mason wrote:

I just don't see where the
refractive index matching comes into the picture.

Supposing it is a fiber bundle, the coolant may be given the same RI as the cladding to allow better coupling between drivers and lasing medium - instead of shooting the drive beam down the fiber cladding (as in conventional fiber lasers) you could just irradiate the whole bundle from the sides.

But I know very little about >1kW or military lasers.

Peter Fairbrother

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