# What voltage should a 5000 Joule capacitor bank be for a TEA nitrogen laser be?

I am building a TEA Nitrogen laser and I will be using two 5000 Joule capacitor banks for the two capacitors. I am wondering what voltage should the two cap banks be at for the laser. All help is greatly appriciated.

active| newest | oldestThen you calc the voltage.

Energy = Capacitance × Voltage

^{2}/ 2V = square root ( 10,000 / C )

A

You can't HAVE "5000J" banks, without knowing the working voltage.

There are two upper bounds on voltage.

_{2}Laser uses 4000 V so,C = E*2/V

^{2}= 5000 × 2 / ( 4000 × 4000 ) in FARADSC = 625 uF................ Tell us John how

large a foilcap is that ??Will it fit in a garage ??