Mode-Locked Lasers: Measurements of Very Fast Radiative Decay in Fluorescent Systems
- 18 April 1969
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 164 (3877), 301-302
- https://doi.org/10.1126/science.164.3877.301
Abstract
A mnode-locked laser was used to measure fluorescence decay down to 80 picoseconds. Measurements on the fluorescence of methylene blue quenchled with potassium iodide demonstrate the effectiveness of the method. Fluorescence decay times of chlorophyll b (3.87 ± 0.05 nianoseconds) and c-phycocyanin (1.14 ± 0.01 nanoseconds) in vitro and chlorophyll a in the green alga Chlorella pyrenoidosa (1.14 to 1.6 nanoseconds) compare well with some of the existing data.Keywords
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