Cooperative Phenomena for New Coherent Radiation Sources
Abstract
The principal objective of this research is to investigate, both theoretically and experimentally, cooperative optical transitions in solids, with the goal of finding efficient systems for the generation of upconverted stimulated emission. Of interest also are new optical pair effects and studies of the resonance fluorescence and coherence on cooperative transitions. In the third year of the program, significant advances were made in the experimental aspects. Measurements of upconversion dynamics were made in erbium-doped crystals and in a fluorozirconate glass. Upconversion laser operation was observed at two visible wavelengths in YLiF4:Er 5% and pumping pathways identified. Spectral and lifetime studies are reported for promising new laser host materials. Upconversion lasers; Cooperative phenomena; Pair processes; Rare earth ions; Solid state lasers; Coherent sources; Yhrium; Lithium fluorides; Erbium.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1988
- Accession Number
- ADA206368
Entities
People
- R. A. Mcfarlane
Organizations
- HRL Laboratories