Seite 1 von 1
Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Mo 19 Mai, 2003 11:24 pm
von gmpf
Does it look like Neoprene or Nylon could work as dielectrics in an "air laser"???
what about 3-plate capacitors????
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Di 20 Mai, 2003 6:45 am
von floh
neoprene and nylon is to thick. a good condensator needs a thin, high isolating dielectricum. test the foil from a overhead projector.
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Fr 03 Okt, 2003 12:27 am
von ekkard
Can you or somebody else tell me why not to use a commercial capacitor or an old one from tv set? I don't understand the problem with the "air laser".
That's just for my information - Thanks!
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Fr 10 Okt, 2003 7:55 pm
von lightfreak
Hi Ekkard,
as far as i know, Air (in real world Nitrogen) lasers work with very high voltages (app. 25-30 kV), so no commercial capacitor (no one sombody can pay for) can withstand this voltages.
regards
Simon
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Mo 27 Okt, 2003 10:44 am
von floh
use a serial circuit of some "low voltage" capacitors. the voltage can be added, the capacity divided.
e.g.: you have 10 capacitors 1uF/1kV
Circuit: --||--||--||--||--||--||--||--||--||--||--
0.1uF/10kV
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: So 02 Nov, 2003 4:01 pm
von phillip
Aha,
so ist die schaltung bei Kondis.
Endlich erfahren.
Gruss
Phil
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Mo 03 Nov, 2003 1:01 am
von random
Phil, this is the Laser-Board for the english - speaking - people. !!!Laserboard [en] !!!
If you can write no english then please post in the german laser board.
And I think there is not much information in your message...
@mod: If you want delete both posts ...
Greetings,
thorsten
Re: Capacitor building for Air lasers-- HELp!!!!!!!!
Verfasst: Mo 03 Nov, 2003 12:38 pm
von lightfreak
@floh: it's better to add parallel resistors to the caps to split the voltage. I think 1Meg Ohm is good for the job.
Simon