From: hionsolar@aol.com (Hion solar)
Newsgroups: sci.physics.plasma
References: <87efo5$caq$1@jupiter.cs.uml.edu>
Organization: AOL http://www.aol.com
Subject: Re: Plasma Quench Technology


Hoping,
Re: plasmadynamic laser work

Sounds interesting with H2 supersonic jet quenching. Population inversion to H
atom [prior to the nozzle or after the nozzle?] but no lasing? How was the
laser pumped? Why do you think it didn't lase?

Regards....Walt Pyle



>Subject: Re: Plasma Quench Technology
>From: "hoping" Hoffmann.Win@t-online.de
>Date: 02/04/2000 7:12 AM EST
>Message-id: <87efo5$caq$1@jupiter.cs.uml.edu>
>
>
>Hi Steve
>I'm not familiar with the TiCl4 system, but a couple of years ago I did some
>work on recombining plasmas with the aim of developing what I called then a
>"plasmadynamic laser". The experiments were carried out in a supersonic
>expanding hydrogen jet. In short, they were not very successful: I received
>population inversion in atomic H levels but no lasing. Today I believe to
>know why. You have to take into account ALL processes, and the problem is,
>that you never know all their constants. If you are really interested in the
>theoretical background I'll try to find some literature in the paper-orkus I
>have here.
>hoping
>
>