Radial profiles of upperhyphen; and lowerhyphen;laserhyphen;level emission in an oscillating Hehyphen;Ne laser

摘要

Radial profiles of the emission from upperhyphen; and lowerhyphen;laserhyphen;level atoms (Ne 3s2and 2p4, respectively) have been investigated in a Hehyphen;Ne laser. The obtained profiles of emission from Ne 3s2hyphen;level atoms are appreciably broader than the zerohyphen;order Bessel function profile. Change in the radial profiles of population inversion brought about by lasing action have also been investigated and a significant dip in the tube center is observed.