Simple two-step photoionization yields high densities of laser-active F2+ centers
- 15 September 1978
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 33 (6) , 506-509
- https://doi.org/10.1063/1.90416
Abstract
A selective two-step process is described for the photoionization of F2 centers. An electron trap density no greater than that of the original F2 center population is required for ∼100% ionization, and only modest light intensities are required (I∼10 W/cm2 or less). Certain divalent transition-metal ions have been found to make excellent traps. The two-step process has allowed the production of F+2 center densities ∼1018/cm3, as needed for the construction of efficient lasers.Keywords
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