Search found 105 matches

by Sven Andersson
Wed Oct 10, 2018 1:38 am
Forum: New User Chat Area
Topic: Plasma between two alternating electrodes?
Replies: 2
Views: 266

Plasma between two alternating electrodes?

A friend and I have debated what would happen to a plasma (in the picture it is a deuterium plasma, but it may actually be any plasma) that is subject to an alternating electric field such as in the picture below? The voltage may not be as high as 50 kV, but only 1 kV or 5 kV. Let's say the pulses a...
by Sven Andersson
Tue Sep 25, 2018 7:06 pm
Forum: New User Chat Area
Topic: Would a heated Barium oxide filament survive in a deuterium environment?
Replies: 4
Views: 313

Would a heated Barium oxide filament survive in a deuterium environment?

Let's say that I try to ionize deuterium gas at 1 mBar or lower, with electron bombardment from a heated cathode. Would a Barium oxide filament (treated that way to increase emittance) survive in a such an environment? Or would the oxide be reduced chemically by the deuterium? Picture from Wikipedia...
by Sven Andersson
Fri Sep 21, 2018 6:43 pm
Forum: New User Chat Area
Topic: Generate dense, cold plasma?
Replies: 7
Views: 574

Re: Generate dense, cold plasma?

Negative waves oozing from Richard Hull! Woof! Woof!

1f484895129a0cefae1e7bbed2261ce6.jpg
1f484895129a0cefae1e7bbed2261ce6.jpg (17.05 KiB) Viewed 432 times
by Sven Andersson
Thu Sep 20, 2018 6:07 pm
Forum: New User Chat Area
Topic: Generate dense, cold plasma?
Replies: 7
Views: 574

Re: Generate dense, cold plasma?

If I let the deuterium (or hydrogen) plasma seep into a container with Argon or Helium gas, then there should be no problem of an explosion, or? A fairly large tank of Helium can be bought for a few hundred crowns in Sweden. Argon is cheap too. However, what I'm really interested in is to get info o...
by Sven Andersson
Wed Sep 19, 2018 6:25 pm
Forum: New User Chat Area
Topic: Generate dense, cold plasma?
Replies: 7
Views: 574

Generate dense, cold plasma?

Hullo everyone, Looking for some advice on how to generate a cold, dense plasma, where the pressure is something like a 100 microns and upwards to 1 atm. Would an electric arc be useful? I have a feeling that that method may be suitable for my project. But how do you actually do it? I need a some so...
by Sven Andersson
Wed Oct 11, 2017 3:30 pm
Forum: New User Chat Area
Topic: Q about laser and maser radiation and plasma...
Replies: 9
Views: 1407

Re: Q about laser and maser radiation and plasma...

If anyone has any knowledge (e.g. tips on books or articles to read) on how to theoretically solve the problems I describe in this thread (or similar problems) and the other thread I have posted, please respond!

Sven
by Sven Andersson
Wed Oct 11, 2017 3:29 pm
Forum: New User Chat Area
Topic: Laser through deuterium plasma - what will happen?
Replies: 3
Views: 742

Re: Laser through deuterium plasma - what will happen?

If anyone has any knowledge (e.g. tips on books or articles to read) on how to theoretically solve the problems I describe in this thread (or similar problems) and the other thread I have posted, please respond!

Sven
by Sven Andersson
Sun Oct 08, 2017 7:05 pm
Forum: New User Chat Area
Topic: Laser through deuterium plasma - what will happen?
Replies: 3
Views: 742

Re: Laser through deuterium plasma - what will happen?

I should perhaps add that I happen to believe in the ideas of Charles S. Cagle on how and why fusion reactions occur. That is, if you can make pairs of fuel nuclei that are close in momentum space, fusion reactions will happen. This thing with using lasers to, perhaps, control the movement of pairs ...
by Sven Andersson
Thu Oct 05, 2017 5:40 pm
Forum: New User Chat Area
Topic: Laser through deuterium plasma - what will happen?
Replies: 3
Views: 742

Laser through deuterium plasma - what will happen?

I'm very interested in learning what would actually happen if you shine powerful laser light through a (cold) deuterium plasma. Make a relatively cold plasma (pic 1) and shine laser light through it from, say a powerful CO2 laser (pic 2). Use a lens to refract the light to one small spot in the plas...
by Sven Andersson
Thu Oct 05, 2017 5:08 pm
Forum: New User Chat Area
Topic: Q about laser and maser radiation and plasma...
Replies: 9
Views: 1407

Re: Q about laser and maser radiation and plasma...

1. A and B must be oscillating out of phase; now, is there a tendency for them to end up exactly one (or 2,3,4...) wavelength apart (for example at the spots marked by two arrows), oscillating in phase? Or perhaps in the same place? 2. Let's say A and B have movement relative to one another, either...