Abstract
We have observed beating between the blue (488 nm) and the green (514.5 nm) lines of an argon ion laser by use of a fourth order interference technique. The method involves the use of a Mach-Zehnder interferometer with photoelectric coincidence detection. The observed (approximately) 30 fs period of the beat note is far shorter than the time resolution of the detectors. © 1988.
| Original language | English |
|---|---|
| Pages (from-to) | 1-5 |
| Journal | Optics Communications |
| Volume | 69 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Dec 1988 |
| Externally published | Yes |
Bibliographical note
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