Ultra-low-threshold europium chelate laser in morphology-dependent resonances
Open Access
- 27 March 1995
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (13) , 1578-1580
- https://doi.org/10.1063/1.113857
Abstract
We show ultra-low-threshold lasing due to morphology-dependent resonances from an europium (Eu)-chelate-doped microdroplet with ~ 90 µm diameter. Spectra and spatial images between lasing and nonlasing are exhibited with comparison. Temporal responses are discussed from the viewpoint of the faster (direct) and slower (indirect) transitions in Eu chelates.http://link.aip.org/link/?APPLAB/66/1578/Keywords
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