- #1
Anton Alice
- 68
- 1
Hello,
It is said, that the Helium part of the He-Ne-Laser is excited by gas discharge, using an external E-Field.
First question: How should that work? gas discharge means ionisation, and ionisation is not exactly the same as excitement.
Second:
Why is it not possible, to directly excite the Neon states? So why does "gas discharge" work with Helium, but not with Neon?
It is said, that the Helium part of the He-Ne-Laser is excited by gas discharge, using an external E-Field.
First question: How should that work? gas discharge means ionisation, and ionisation is not exactly the same as excitement.
Second:
Why is it not possible, to directly excite the Neon states? So why does "gas discharge" work with Helium, but not with Neon?