Abstract
Spectra that are narrower than the natural width of decaying states can be achieved by beginning the observation of signals at a fixed delay time after excitation rather than immediately afterward. These signals are weaker (and noisier) than the full, time-unresolved signals. Applications of this line-narrowing technique to precision spectroscopy are discussed, and the properties of the resulting signals are studied. Numerical simulations demonstrate that time-resolved line narrowing is highly desirable in a large number of cases.
| Original language | English |
|---|---|
| Pages (from-to) | 540-542 |
| Number of pages | 3 |
| Journal | Optics Letters |
| Volume | 5 |
| Issue number | 12 |
| DOIs | |
| State | Published - 1980 |
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