Abstract

Relative populations of excited states of He(I) in reduced-pressure ICPs have been shown to obey Fermi-Dirac statistical counting. A single thermodynamic temperature—2000 K—defines the distribution. The experimental relative populations and the Fermi-Dirac distributions agree within fractions of one percent.

Mean Lives of Some Excited Levels in He i*

I. Martinson, William S. Bickel, J. Bromander, H. G. Berry, L. Lundin, R. Buchta, and I. Bergström
J. Opt. Soc. Am. 60(3) 352-353 (1970)

Band-transport model for field screening in multiple-quantum-well hetero-n-i-p-i’s

Daniel Mahgerefteh and Elsa Garmire
Opt. Lett. 18(8) 616-618 (1993)

New Wavelengths for Some Helium (He i) Lines

William C. Martin
J. Opt. Soc. Am. 50(2) 174-176 (1960)

Refractive index of He in the region 920–1910 Å

M. C. E. Huber and G. Tondello
J. Opt. Soc. Am. 64(3) 390-392 (1974)

Statistical properties of He–Ne laser radiation reflected through a turbulent atmosphere

D. Bensimon, A. Englander, S. Shtrikman, M. Slatkine, and D. Treves
Appl. Opt. 20(6) 947-950 (1981)