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On the excitation mechanism of the CW atomic fluorine laser

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2 Author(s)
Schaefer, G. ; Weber Res. Inst., Polytech. Univ., Farmingdale, NY, USA ; Kirkici, H.

A plasma mixing device in which a helium plasma beam is crossed with a molecular fluorine beam was used to operate an atomic fluorine laser. Operation conditions confirm that excitation occurs through collisions of helium metastables and F2 molecules. Collisions with other F-donors, such as NF3, CF4, C2 F6, and SF6, do not yield F-atoms in one of the possible upper laser levels. In lasers using such F-donors, excitation has to occur through electron collisions with F-atoms which have been generated in a preceding process

Published in:

Quantum Electronics, IEEE Journal of  (Volume:25 ,  Issue: 11 )